deeda Think — developer docs

What you can do with Google Gemini through the harness, by feature family: the capability rows you can rely on (linked to vendor docs) and the parameters you can set for each. Configure parameters through the workflow surfaces described in the Workflow Schema — model/turn/budget fields on agent, provider knobs under harness_config.sdk_settings.gemini, and tool/sandbox policy at top level.

How to read this page

Decision rules per capability state — what YOU (the reader/agent) should do:

State badge	Meaning	Your action
(none) = implemented	Wired end-to-end through deeda primitives and live-probed.	Use freely.
model-dependent	Works only on a documented subset of the provider’s models.	Pin a supporting `model` in your workflow; verify against the vendor docs link.
partial-compatible	One half of the contract is proven, the other is not (yet). Patterns: request shape accepted but execution unproven at scale; wired in deeda but live probe pending; vendor does it but no deeda knob exists; works on one dispatch path (e.g. CLI) but not another (e.g. raw API).	Usable — but treat the Parameters table as the entire contract. Do not assume vendor-parity beyond what is listed. If your task depends on the unproven half, test small first.

Parameter table columns: Parameter is the provider-side path the harness maps for you (you set it via workflow fields or harness_config.sdk_settings.<provider> knobs — see Runtimes for which knobs exist). Default applies when you say nothing. Allowed is exhaustive — values outside it fail validation. Risk is deeda’s policy weight: high parameters generally require elevated tool_policy/sandbox_profile and may trigger human approval on hot-reload.

Agent Development Kit

Capabilities (46/55 rows usable):

gemini.adk.a2a.protocol (agent.adk_multi) — vendor docs
gemini.adk.agent.custom (agent.adk_runtime) — vendor docs
gemini.adk.agent.llm (agent.adk_runtime) — vendor docs
gemini.adk.agent.loop (agent.adk_workflow) — vendor docs
gemini.adk.agent.parallel (agent.adk_workflow) — vendor docs
gemini.adk.agent.sequential (agent.adk_workflow) — vendor docs
gemini.adk.artifact.in_memory (agent.adk_runtime) — vendor docs
gemini.adk.callback.after_agent (agent.adk_runtime) — vendor docs
gemini.adk.callback.after_model (agent.adk_runtime) — vendor docs
gemini.adk.callback.after_tool (agent.adk_runtime) — vendor docs
gemini.adk.callback.before_agent (agent.adk_runtime) — vendor docs
gemini.adk.callback.before_model (agent.adk_runtime) — vendor docs
gemini.adk.callback.before_tool (agent.adk_runtime) — vendor docs
gemini.adk.callbacks (agent.adk_runtime) — vendor docs
gemini.adk.cli.api_server (agent.adk_runtime) — vendor docs
gemini.adk.cli.eval (eval.adk) — vendor docs
gemini.adk.cli.run (agent.adk_runtime) — vendor docs
gemini.adk.cli.web (agent.adk_runtime) — vendor docs
gemini.adk.eval.criteria (eval.adk) — vendor docs
gemini.adk.evaluate (eval.adk) — vendor docs
gemini.adk.events (agent.event.append) — vendor docs
gemini.adk.input_schema (agent.adk_runtime) — vendor docs
gemini.adk.loop_agent.max_iterations (agent.adk_workflow) — vendor docs
gemini.adk.memory.in_memory (agent.event.append) — vendor docs
gemini.adk.multi_agent (agent.adk_multi) — vendor docs
gemini.adk.output_key (agent.event.append) — vendor docs
gemini.adk.output_schema (agent.adk_runtime) — vendor docs
gemini.adk.pattern.escalate (agent.adk_runtime) — vendor docs
gemini.adk.pattern.sub_agents (agent.adk_multi) — vendor docs
gemini.adk.pattern.transfer (agent.adk_multi) — vendor docs
gemini.adk.run_config.streaming (agent.adk_streaming) — vendor docs
gemini.adk.runner (agent.adk_runtime) — vendor docs
gemini.adk.session.database (agent.event.append) — vendor docs
gemini.adk.session.in_memory (agent.event.append) — vendor docs
gemini.adk.state.app_scope (agent.event.append) — vendor docs
gemini.adk.state.shared (agent.event.append) — vendor docs
gemini.adk.state.temp_scope (agent.event.append) — vendor docs
gemini.adk.state.user_scope (agent.event.append) — vendor docs
gemini.adk.streaming (agent.adk_streaming) — vendor docs
gemini.adk.tools.agent_tool (tool.call) — vendor docs
gemini.adk.tools.function_tool (tool.call) — vendor docs
gemini.adk.tools.long_running_function_tool (tool.call) — vendor docs
gemini.adk.tools.mcp_toolset (tool.mcp) — vendor docs
gemini.adk.tools.openapi (tool.call) — vendor docs
gemini.adk.tools.toolbox (tool.call) — vendor docs
gemini.adk.workflow_agents (agent.adk_workflow) — vendor docs

Parameters (46):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity Auth

Capabilities (4/4 rows usable):

gemini.antigravity.auth.gemini_api_key_env (provider.auth.api_key) — vendor docs
gemini.antigravity.auth.gemini_config_api_key (provider.auth.api_key) — vendor docs
gemini.antigravity.auth.harness_path_env (provider.binary.override) — vendor docs
gemini.antigravity.auth.vertex (provider.auth.vertex) — vendor docs

Parameters (4):

Parameter	Type	Default	Allowed	Risk	Notes
`env.GEMINI_API_KEY`	string	—	—	high	Secret-bearing env var; operator-only, never a chat-surface knob.
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`vertex`	boolean	`false`	—	medium	docs

Antigravity Built-in Tools

Concept guide: Tools & MCP — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (8/12 rows usable):

gemini.antigravity.tool.custom_python (tool.custom.python) — vendor docs
gemini.antigravity.tool.edit_file (tool.fs.edit) — vendor docs
gemini.antigravity.tool.find_file (tool.fs.find) — vendor docs
gemini.antigravity.tool.finish (agent.finish) — vendor docs
gemini.antigravity.tool.list_directory (tool.fs.list) — vendor docs
gemini.antigravity.tool.search_directory (tool.fs.grep) — vendor docs
gemini.antigravity.tool.start_subagent (agent.subagent.spawn) — vendor docs
gemini.antigravity.tool.view_file (tool.fs.read) — vendor docs

Parameters (8):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`tools.finish`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity CLI

Capabilities (5/13 rows usable):

gemini.antigravity.cli.add_dir (agent.workspace.scope) — vendor docs
gemini.antigravity.cli.conversation_resume (agent.session.resume) — vendor docs
gemini.antigravity.cli.print (agent.run.print) — vendor docs
gemini.antigravity.cli.print_timeout (agent.run.print) — vendor docs
gemini.antigravity.cli.subcommand.help (agent.help) — vendor docs

Parameters (8):

Parameter	Type	Default	Allowed	Risk	Notes
`argv.--print`	string	—	—	low	docs
`option`	object	—	—	low	docs
`argv.--add-dir`	array	—	—	medium	docs
`argv.--continue`	boolean	—	—	low	docs
`argv.--conversation`	string	—	—	low	SDK twin: LocalAgentConfig.conversation_id (build_agent_config).
`argv.--log-file`	string	—	—	low	docs
`argv.--print-timeout`	string	—	—	low	Vendor default (5m0s today) is the binary’s, never restated here (T9).
`argv.--sandbox`	boolean	—	—	medium	docs

Antigravity Connections

Capabilities (1/2 rows usable):

gemini.antigravity.connection.local (agent.connection.local) — vendor docs

Parameters (1):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs

Antigravity Distribution

Capabilities (2/6 rows usable):

gemini.antigravity.distribution.cli_install_script (provider.distribution.install) — vendor docs
gemini.antigravity.distribution.sdk_pypi (provider.distribution.pypi) — vendor docs

Parameters (2):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity Errors

Capabilities (3/3 rows usable):

gemini.antigravity.error.connection (agent.error.connection) — vendor docs
gemini.antigravity.error.execution (agent.error.execution) — vendor docs
gemini.antigravity.error.validation (agent.error.validation) — vendor docs

Parameters (3):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity Hooks

Concept guide: Hooks — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (7/9 rows usable):

gemini.antigravity.hook.on_session_end (agent.hook.session_end) — vendor docs
gemini.antigravity.hook.on_session_start (agent.hook.session_start) — vendor docs
gemini.antigravity.hook.on_tool_error (agent.hook.tool_error) — vendor docs
gemini.antigravity.hook.post_tool_call (agent.hook.post_tool) — vendor docs
gemini.antigravity.hook.post_turn (agent.hook.post_turn) — vendor docs
gemini.antigravity.hook.pre_tool_call_decide (agent.hook.pre_tool) — vendor docs
gemini.antigravity.hook.pre_turn (agent.hook.pre_turn) — vendor docs

Parameters (7):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity MCP

Concept guide: Tools & MCP — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (3/4 rows usable):

gemini.antigravity.mcp.bridge (provider.mcp.bridge) — vendor docs
gemini.antigravity.mcp.http (provider.mcp.client) — vendor docs
gemini.antigravity.mcp.stdio (provider.mcp.client) — vendor docs

Parameters (3):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`mcp_servers`	object	—	—	high	Transport discriminators resolved from the installed SDK union (stdio/http today; the historic sse transport was folded into streamable-http by the vendor).

Antigravity Models

Capabilities (3/4 rows usable):

gemini.antigravity.model.gemini_2_5_pro (llm.complete) — vendor docs
gemini.antigravity.model.gemini_3_1_pro_preview (llm.complete) — vendor docs
gemini.antigravity.model.gemini_3_5_flash (llm.complete) — vendor docs

Parameters (3):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity Multimodal

Capabilities (5/5 rows usable):

gemini.antigravity.input.audio (media.audio.understand) — vendor docs
gemini.antigravity.input.document (media.document.understand) — vendor docs
gemini.antigravity.input.from_file (media.from_file) — vendor docs
gemini.antigravity.input.image (media.image.understand) — vendor docs
gemini.antigravity.input.video (media.video.understand) — vendor docs

Parameters (5):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity Policies

Capabilities (7/8 rows usable):

gemini.antigravity.policy.allow (agent.policy.allow) — vendor docs
gemini.antigravity.policy.ask_user (agent.policy.ask_user) — vendor docs
gemini.antigravity.policy.confirm_run_command (agent.policy.confirm) — vendor docs
gemini.antigravity.policy.deny (agent.policy.deny) — vendor docs
gemini.antigravity.policy.deny_all (agent.policy.deny) — vendor docs
gemini.antigravity.policy.safe_defaults (agent.policy.safe_defaults) — vendor docs
gemini.antigravity.policy.workspace_only (agent.policy.workspace_scope) — vendor docs

Parameters (7):

Parameter	Type	Default	Allowed	Risk	Notes
`workspaces`	array	—	—	medium	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity SDK

Capabilities (12/12 rows usable):

gemini.antigravity.sdk.agent_class (agent.lifecycle) — vendor docs
gemini.antigravity.sdk.agent_config (agent.config) — vendor docs
gemini.antigravity.sdk.capabilities_config (agent.capabilities) — vendor docs
gemini.antigravity.sdk.conversation (agent.conversation.lifecycle) — vendor docs
gemini.antigravity.sdk.gemini_config (provider.auth) — vendor docs
gemini.antigravity.sdk.generation_config (llm.complete) — vendor docs
gemini.antigravity.sdk.local_agent_config (agent.config) — vendor docs
gemini.antigravity.sdk.model_config (llm.model.select) — vendor docs
gemini.antigravity.sdk.model_entry (llm.model.select) — vendor docs
gemini.antigravity.sdk.thinking_level (llm.thinking) — vendor docs
gemini.antigravity.sdk.tool_context (tool.context) — vendor docs
gemini.antigravity.sdk.usage_metadata (agent.observability.usage) — vendor docs

Parameters (16):

Parameter	Type	Default	Allowed	Risk	Notes
`capabilities.compaction_threshold`	number	—	—	low	docs
`capabilities.disabled_tools`	array	—	—	medium	BuiltinTools denylist; mutually exclusive with enabled_tools (bridge fails loud). Live finding 2026-06-11: the localharness executed an edit_file call despite a disabled_tools=[edit_file] denylist and an enabled_tools allowlist without it - treat filter enforcement as advisory (pc-ag-rows evidence toolswrite.json).
`capabilities.enable_subagents`	boolean	`false`	—	medium	docs
`capabilities.enabled_tools`	array	—	—	medium	BuiltinTools allowlist; mutually exclusive with disabled_tools (bridge fails loud). Live finding 2026-06-11: the localharness executed an edit_file call despite a disabled_tools=[edit_file] denylist and an enabled_tools allowlist without it - treat filter enforcement as advisory (pc-ag-rows evidence toolswrite.json).
`capabilities.image_model`	string	—	—	low	Default resolved from the installed SDK (DEFAULT_IMAGE_GENERATION_MODEL), never pinned here.
`model`	string	—	—	low	Default resolved from the installed SDK (types.DEFAULT_MODEL), never pinned here.
`gemini_config.models.default.generation.thinking_level`	enum	—	`"minimal"`, `"low"`, `"medium"`, `"high"`	low	docs
`agent`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`local_agent_config`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity Streaming

Capabilities (5/5 rows usable):

gemini.antigravity.stream.chat_response (llm.stream) — vendor docs
gemini.antigravity.stream.structured_output (llm.structured_output) — vendor docs
gemini.antigravity.stream.text_deltas (llm.stream) — vendor docs
gemini.antigravity.stream.thoughts (llm.thinking) — vendor docs
gemini.antigravity.stream.tool_calls (tool.call) — vendor docs

Parameters (5):

Parameter	Type	Default	Allowed	Risk	Notes
`capabilities.finish_tool_schema_json`	string	—	—	low	JSON schema for the finish tool — drives ChatResponse.structured_output().
`stream`	boolean	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity System Instructions

Capabilities (2/2 rows usable):

gemini.antigravity.system.custom (agent.system_instructions) — vendor docs
gemini.antigravity.system.templated (agent.system_instructions) — vendor docs

Parameters (2):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Antigravity Triggers

Capabilities (4/5 rows usable):

gemini.antigravity.trigger.context (agent.trigger.context) — vendor docs
gemini.antigravity.trigger.decorator (agent.trigger.decorator) — vendor docs
gemini.antigravity.trigger.every (agent.trigger.interval) — vendor docs
gemini.antigravity.trigger.on_file_change (agent.trigger.file_watch) — vendor docs

Parameters (4):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Audio generation

Concept guide: Voice & Realtime — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (18/21 rows usable):

gemini.chirp.chirp_3 (media.audio.tts) — vendor docs
gemini.lyria.generate_music (media.music.generate) — vendor docs
gemini.lyria.realtime (realtime.music) — vendor docs
gemini.tts (media.audio.tts) — vendor docs
gemini.tts.gemini_25_flash (media.audio.tts) — vendor docs
gemini.tts.gemini_25_pro (media.audio.tts) — vendor docs
gemini.tts.language_code (media.audio.tts) — vendor docs
gemini.tts.multispeaker (media.audio.tts_multispeaker) — vendor docs
gemini.tts.params.audio_encoding.linear16 (media.audio.tts) — vendor docs
gemini.tts.params.audio_encoding.mp3 (media.audio.tts) — vendor docs
gemini.tts.params.audio_encoding.ogg_opus (media.audio.tts) — vendor docs
gemini.tts.params.effects_profile (media.audio.tts) — vendor docs
gemini.tts.params.pitch (media.audio.tts) — vendor docs
gemini.tts.params.sample_rate (media.audio.tts) — vendor docs
gemini.tts.params.speaking_rate (media.audio.tts) — vendor docs
gemini.tts.params.volume_gain (media.audio.tts) — vendor docs
gemini.tts.style_control (media.audio.tts) — vendor docs
gemini.tts.voice.prebuilt (media.audio.tts) — vendor docs

Parameters (18):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Auth

Capabilities (1/4 rows usable):

gemini.auth.api_key (provider.admin.read) — vendor docs

Parameters (1):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs

Batch

Concept guide: Cost, Batch & Cache — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (8/8 rows usable):

gemini.batch (batch.run) — vendor docs
gemini.batches.cancel (batch.run) — vendor docs
gemini.batches.create (batch.run) — vendor docs
gemini.batches.delete (batch.run) — vendor docs
gemini.batches.file_input (batch.run) — vendor docs
gemini.batches.get (batch.run) — vendor docs
gemini.batches.inline_input (batch.run) — vendor docs
gemini.batches.list (batch.run) — vendor docs

Parameters (8):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Caching

Concept guide: Cost, Batch & Cache — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (10/10 rows usable):

gemini.caches.create (llm.cache.create) — vendor docs
gemini.caches.delete (llm.cache.delete) — vendor docs
gemini.caches.get (llm.cache.get) — vendor docs
gemini.caches.list (llm.cache.list) — vendor docs
gemini.caches.system_instruction (llm.cache.create) — vendor docs
gemini.caches.tools (llm.cache.create) — vendor docs
gemini.caches.ttl (llm.cache.update) — vendor docs
gemini.caches.update (llm.cache.update) — vendor docs
gemini.context_caching (llm.complete) · partial-compatible — vendor docs
gemini.context_caching.implicit (llm.implicit_cache) — vendor docs

Parameters (9):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Chats

Capabilities (1/1 rows usable):

gemini.chats.create (llm.chats_create) — vendor docs

Parameters (1):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs

Core generation

Capabilities (8/8 rows usable):

gemini.flex_inference (llm.flex_inference) — vendor docs
gemini.generate_content (llm.complete) — vendor docs
gemini.generate_content.multi_turn (llm.complete) — vendor docs
gemini.generate_content.stream (llm.stream) — vendor docs
gemini.generate_content.system_instruction (llm.complete) — vendor docs
gemini.interactions (llm.interactions) — vendor docs
gemini.openai_compat (llm.complete) · partial-compatible — vendor docs
gemini.priority_inference (llm.priority_inference) — vendor docs

Parameters (9):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`generationConfig.maxOutputTokens`	number	`1024`	—	medium	docs
`model`	string	`"gemini-2.5-flash"`	—	low	docs
`option`	object	—	—	low	docs
`generationConfig.thinkingConfig.thinkingBudget`	number	`0`	—	medium	Setting >0 means thoughts will consume part of maxOutputTokens before text emission.
`systemInstruction`	string	—	—	low	deeda passes the compiled system channel; REST wraps it as a Content parts object.
`generationConfig.temperature`	number	`1`	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Embeddings

Capabilities (12/13 rows usable):

gemini.embeddings (llm.embed) — vendor docs
gemini.embeddings.batch (batch.embeddings) — vendor docs
gemini.embeddings.output_dimensionality (llm.embed) — vendor docs
gemini.embeddings.task_type.classification (llm.embed) — vendor docs
gemini.embeddings.task_type.clustering (llm.embed) — vendor docs
gemini.embeddings.task_type.code_retrieval_query (llm.embed) — vendor docs
gemini.embeddings.task_type.fact_verification (llm.embed) — vendor docs
gemini.embeddings.task_type.question_answering (llm.embed) — vendor docs
gemini.embeddings.task_type.retrieval_document (llm.embed) — vendor docs
gemini.embeddings.task_type.retrieval_query (llm.embed) — vendor docs
gemini.embeddings.task_type.semantic_similarity (llm.embed) — vendor docs
gemini.embeddings.title (llm.embed) — vendor docs

Parameters (13):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`model`	string	`"gemini-embedding-001"`	—	low	docs
`option`	object	—	—	low	docs
`taskType`	enum	`"SEMANTIC_SIMILARITY"`	`"SEMANTIC_SIMILARITY"`, `"CLASSIFICATION"`, `"CLUSTERING"`, `"RETRIEVAL_DOCUMENT"`, `"RETRIEVAL_QUERY"`, `"QUESTION_ANSWERING"`, `"FACT_VERIFICATION"`, `"CODE_RETRIEVAL_QUERY"`	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

File search

Capabilities (8/9 rows usable):

gemini.file_search.documents.get (vector_store.documents.get) — vendor docs
gemini.file_search.documents.list (vector_store.documents.list) — vendor docs
gemini.file_search.stores.create (vector_store.create) — vendor docs
gemini.file_search.stores.delete (vector_store.delete) — vendor docs
gemini.file_search.stores.get (vector_store.get) — vendor docs
gemini.file_search.stores.import (vector_store.import) — vendor docs
gemini.file_search.stores.list (vector_store.list) — vendor docs
gemini.file_search.stores.upload (vector_store.upload) — vendor docs

Parameters (8):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Files

Capabilities (6/6 rows usable):

gemini.files.delete (file.delete) — vendor docs
gemini.files.get (file.get) — vendor docs
gemini.files.list (file.list) — vendor docs
gemini.files.media_upload (file.upload) — vendor docs
gemini.files.upload (file.upload) — vendor docs
gemini.files.uri_reference (file.get) — vendor docs

Parameters (6):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Function calling

Capabilities (10/11 rows usable):

gemini.function_calling (tool.call) — vendor docs
gemini.function_calling.allowed_function_names (tool.call) — vendor docs
gemini.function_calling.compositional (tool.compositional_calls) — vendor docs
gemini.function_calling.declarations (tool.call) — vendor docs
gemini.function_calling.mcp (tool.mcp) — vendor docs
gemini.function_calling.mode.any (tool.call) — vendor docs
gemini.function_calling.mode.auto (tool.call) — vendor docs
gemini.function_calling.mode.none (tool.call) — vendor docs
gemini.function_calling.parallel (tool.parallel_calls) — vendor docs
gemini.function_calling.response_part (tool.call) — vendor docs

Parameters (10):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

generationConfig

Capabilities (16/22 rows usable):

gemini.generation_config.candidate_count (llm.complete) — vendor docs
gemini.generation_config.max_output_tokens (llm.complete) — vendor docs
gemini.generation_config.media_resolution (media.image.understand) — vendor docs
gemini.generation_config.response_mime_type (llm.complete) — vendor docs
gemini.generation_config.response_modalities.audio (media.audio.tts) — vendor docs
gemini.generation_config.response_modalities.image (media.image.generate) — vendor docs
gemini.generation_config.response_modalities.text (llm.complete) — vendor docs
gemini.generation_config.response_schema (llm.complete) — vendor docs
gemini.generation_config.seed (llm.complete) — vendor docs
gemini.generation_config.speech_config (media.audio.tts) — vendor docs
gemini.generation_config.stop_sequences (llm.complete) — vendor docs
gemini.generation_config.temperature (llm.complete) — vendor docs
gemini.generation_config.thinking_config.include_thoughts (llm.complete) — vendor docs
gemini.generation_config.thinking_config.thinking_budget (llm.complete) — vendor docs
gemini.generation_config.top_k (llm.complete) — vendor docs
gemini.generation_config.top_p (llm.complete) — vendor docs

Parameters (16):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`generationConfig.maxOutputTokens`	number	`1024`	—	medium	Hard cap on tokens emitted; medium risk because misconfiguration burns cost.
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`generationConfig.temperature`	number	`1`	—	low	docs
`generationConfig.thinkingConfig.includeThoughts`	boolean	`false`	`true`, `false`	low	docs
`generationConfig.thinkingConfig.thinkingBudget`	number	—	—	medium	Thoughts consume part of maxOutputTokens before text emission on thinking-on models.
`generationConfig.topK`	number	—	—	low	docs
`generationConfig.topP`	number	—	—	low	docs

Grounding

Capabilities (6/8 rows usable):

gemini.grounding.google_maps (tool.maps) — vendor docs
gemini.grounding.google_search (provider.tool.server) — vendor docs
gemini.grounding.grounding_chunks (provider.tool.server) — vendor docs
gemini.grounding.grounding_supports (provider.tool.server) — vendor docs
gemini.grounding.search_entry_point (provider.tool.server) — vendor docs
gemini.grounding.web_search_queries (provider.tool.server) — vendor docs

Parameters (6):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Image generation

Capabilities (13/26 rows usable):

gemini.image_generation (media.image.generate) — vendor docs
gemini.image_generation.edit (media.image.edit) — vendor docs
gemini.imagen.aspect_ratio (media.image.predict) — vendor docs
gemini.imagen.imagen_4 (media.image.predict) — vendor docs
gemini.imagen.imagen_4_fast (media.image.predict) — vendor docs
gemini.imagen.imagen_4_ultra (media.image.predict) — vendor docs
gemini.imagen.params.compression_quality (media.image.predict) — vendor docs
gemini.imagen.params.guidance_scale (media.image.predict) — vendor docs
gemini.imagen.params.output_format (media.image.predict) — vendor docs
gemini.imagen.params.sample_count (media.image.predict) — vendor docs
gemini.imagen.person_generation (provider.safety_filters) — vendor docs
gemini.imagen.predict (media.image.predict) — vendor docs
gemini.imagen.safety_filter_level (provider.safety_filters) — vendor docs

Parameters (13):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Live API

Capabilities (30/34 rows usable):

gemini.live_api (realtime.session.create) — vendor docs
gemini.live.affective_dialog (realtime.affective_dialog) — vendor docs
gemini.live.audio_transcription (realtime.transcription) — vendor docs
gemini.live.barge_in (realtime.barge_in) — vendor docs
gemini.live.context_window_compression (realtime.session) — vendor docs
gemini.live.ephemeral_tokens (realtime.ephemeral_token) — vendor docs
gemini.live.event.bidi_client_content (realtime.session) — vendor docs
gemini.live.event.bidi_realtime_input (realtime.session) — vendor docs
gemini.live.event.bidi_server_content (realtime.session) — vendor docs
gemini.live.event.bidi_setup (realtime.session) — vendor docs
gemini.live.event.bidi_setup_complete (realtime.session) — vendor docs
gemini.live.event.bidi_tool_call (realtime.session) — vendor docs
gemini.live.event.bidi_tool_response (realtime.session) — vendor docs
gemini.live.event.session_resumption_update (realtime.session) — vendor docs
gemini.live.event.usage_metadata (realtime.session) — vendor docs
gemini.live.input.audio (realtime.session) — vendor docs
gemini.live.input.screen (realtime.session) — vendor docs
gemini.live.input.video (realtime.session) — vendor docs
gemini.live.interrupted_event (realtime.session) — vendor docs
gemini.live.language_code (realtime.session) — vendor docs
gemini.live.modality.audio (realtime.session) — vendor docs
gemini.live.modality.text (realtime.session) · model-dependent — vendor docs
gemini.live.proactive_audio (realtime.proactive_audio) — vendor docs
gemini.live.session_management (realtime.session) — vendor docs
gemini.live.tools.function_calling (realtime.session) — vendor docs
gemini.live.turn_complete (realtime.session) — vendor docs
gemini.live.vad.automatic (realtime.session) — vendor docs
gemini.live.vad.manual (realtime.session) — vendor docs
gemini.live.voice_config (realtime.session) — vendor docs
gemini.live.websocket (realtime.websocket) — vendor docs

Parameters (29):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`config.responseModalities`	array	`["AUDIO"]`	—	medium	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

MCP

Concept guide: Tools & MCP — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (2/6 rows usable):

gemini.mcp.adk_toolset_client (tool.mcp) — vendor docs
gemini.mcp.toolbox_databases (tool.mcp) — vendor docs

Parameters (2):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

MCP Toolbox

Concept guide: Tools & MCP — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (3/14 rows usable):

gemini.mcp.toolbox.http (tool.mcp) — vendor docs
gemini.mcp.toolbox.parameterized_sql (tool.mcp) — vendor docs
gemini.mcp.toolbox.sqlite (tool.mcp) — vendor docs

Parameters (3):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

MIME types

Capabilities (18/18 rows usable):

gemini.mime.application.pdf (media.document.understand) — vendor docs
gemini.mime.audio.aac (media.audio.understand) — vendor docs
gemini.mime.audio.aiff (media.audio.understand) — vendor docs
gemini.mime.audio.flac (media.audio.understand) — vendor docs
gemini.mime.audio.mp3 (media.audio.understand) — vendor docs
gemini.mime.audio.ogg (media.audio.understand) — vendor docs
gemini.mime.audio.wav (media.audio.understand) — vendor docs
gemini.mime.image.heic (media.image.understand) — vendor docs
gemini.mime.image.heif (media.image.understand) — vendor docs
gemini.mime.image.jpeg (media.image.understand) — vendor docs
gemini.mime.image.png (media.image.understand) — vendor docs
gemini.mime.image.webp (media.image.understand) — vendor docs
gemini.mime.video.avi (media.video.understand) — vendor docs
gemini.mime.video.mov (media.video.understand) — vendor docs
gemini.mime.video.mp4 (media.video.understand) — vendor docs
gemini.mime.video.mpeg (media.video.understand) — vendor docs
gemini.mime.video.threegpp (media.video.understand) — vendor docs
gemini.mime.video.webm (media.video.understand) — vendor docs

Parameters (18):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Models

Capabilities (13/43 rows usable):

gemini.model.context_window.1m (llm.complete) — vendor docs
gemini.model.gemini_25_flash (llm.complete) — vendor docs
gemini.model.gemini_25_flash_image (media.image.generate) — vendor docs
gemini.model.gemini_25_flash_lite (llm.complete) — vendor docs
gemini.model.gemini_25_pro (llm.complete) — vendor docs
gemini.model.gemini_3_flash (llm.complete) — vendor docs
gemini.model.gemini_3_pro_image (media.image.generate) — vendor docs
gemini.model.gemini_embedding_001 (llm.embed) — vendor docs
gemini.model.gemini_embedding_2 (llm.embed) — vendor docs
gemini.models.get (provider.models_list) — vendor docs
gemini.models.list (provider.models_list) — vendor docs
gemini.models.predict (llm.complete) — vendor docs
gemini.models.predict_long_running (provider.long_running_operations) — vendor docs

Parameters (13):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Multimodal

Capabilities (9/9 rows usable):

gemini.multimodal.audio_understanding (media.audio.understand) — vendor docs
gemini.multimodal.audio.timestamp (media.audio.understand) — vendor docs
gemini.multimodal.document_understanding (media.document.understand) — vendor docs
gemini.multimodal.image_understanding (media.image.understand) — vendor docs
gemini.multimodal.inline_data (media.image.understand) — vendor docs
gemini.multimodal.video_understanding (media.video.understand) — vendor docs
gemini.multimodal.video.clip (media.video.understand) — vendor docs
gemini.multimodal.video.fps (media.video.understand) — vendor docs
gemini.multimodal.video.youtube_url (media.video.understand) — vendor docs

Parameters (9):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Observability

Capabilities (5/10 rows usable):

gemini.observability.audit_logs (provider.admin.read) — vendor docs
gemini.observability.cloud_logging (agent.adk_runtime) — vendor docs
gemini.observability.cloud_monitoring (agent.adk_runtime) — vendor docs
gemini.observability.cloud_trace (agent.adk_runtime) — vendor docs
gemini.observability.quota_metrics (provider.admin.read) — vendor docs

Parameters (5):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Operations

Capabilities (3/5 rows usable):

gemini.operations.get (provider.long_running_operations) — vendor docs
gemini.operations.list (provider.long_running_operations) — vendor docs
gemini.operations.poll (provider.long_running_operations) — vendor docs

Parameters (3):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Reasoning/thinking

Concept guide: Thinking & Reasoning — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (4/5 rows usable):

gemini.thinking (llm.complete) — vendor docs
gemini.thinking.disabled (llm.complete) — vendor docs
gemini.thinking.dynamic (llm.complete) — vendor docs
gemini.thought_signatures (llm.thought_signatures) — vendor docs

Parameters (4):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`generationConfig.thinkingConfig.thinkingLevel`	enum	`"medium"`	`"off"`, `"low"`, `"medium"`, `"high"`	medium	docs
`option`	object	—	—	low	docs

Runtime config

Capabilities (9/18 rows usable):

gemini.runtime.dual_mode.developer_api (llm.complete) — vendor docs
gemini.runtime.dual_mode.vertex_ai (llm.complete) — vendor docs
gemini.runtime.global_endpoint (provider.admin.read) — vendor docs
gemini.runtime.http.api_version (llm.complete) — vendor docs
gemini.runtime.http.base_url (llm.complete) — vendor docs
gemini.runtime.http.headers (llm.complete) — vendor docs
gemini.runtime.http.timeout (llm.complete) — vendor docs
gemini.runtime.location (provider.admin.read) — vendor docs
gemini.runtime.project_id (provider.admin.read) — vendor docs

Parameters (5):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Safety

Capabilities (7/9 rows usable):

gemini.safety_settings.civic_integrity (provider.safety_filters) — vendor docs
gemini.safety_settings.dangerous_content (provider.safety_filters) — vendor docs
gemini.safety_settings.harassment (provider.safety_filters) — vendor docs
gemini.safety_settings.hate_speech (provider.safety_filters) — vendor docs
gemini.safety_settings.sexually_explicit (provider.safety_filters) — vendor docs
gemini.safety_settings.threshold.block_none (provider.safety_filters) — vendor docs
gemini.safety_settings.threshold.block_only_high (provider.safety_filters) — vendor docs

Parameters (7):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

SDK JavaScript

Capabilities (8/12 rows usable):

gemini.sdk.js.batches (batch.run) — vendor docs
gemini.sdk.js.caches (llm.cache.create) — vendor docs
gemini.sdk.js.chats (llm.chats_create) — vendor docs
gemini.sdk.js.files (file.upload) — vendor docs
gemini.sdk.js.google_genai (llm.complete) — vendor docs
gemini.sdk.js.live (realtime.session.create) — vendor docs
gemini.sdk.js.models (llm.complete) — vendor docs
gemini.sdk.js.operations (provider.long_running_operations) — vendor docs

Parameters (8):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

SDK Python

Capabilities (15/17 rows usable):

gemini.sdk.python.async_chats (llm.complete) — vendor docs
gemini.sdk.python.batches (batch.run) — vendor docs
gemini.sdk.python.caches (llm.cache.create) — vendor docs
gemini.sdk.python.chats.create (llm.chats_create) — vendor docs
gemini.sdk.python.chats.get_history (llm.complete) — vendor docs
gemini.sdk.python.chats.send_message (llm.complete) — vendor docs
gemini.sdk.python.chats.send_message_stream (llm.stream) — vendor docs
gemini.sdk.python.client (llm.complete) — vendor docs
gemini.sdk.python.client.aio (llm.complete) — vendor docs
gemini.sdk.python.errors (llm.complete) — vendor docs
gemini.sdk.python.files (file.upload) — vendor docs
gemini.sdk.python.live.connect (realtime.session.create) — vendor docs
gemini.sdk.python.models (provider.models_list) — vendor docs
gemini.sdk.python.operations (provider.long_running_operations) — vendor docs
gemini.sdk.python.types (llm.complete) — vendor docs

Parameters (15):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Semantic Retriever

Capabilities (5/24 rows usable):

gemini.corpora.create (vector_store.create) — vendor docs
gemini.corpora.delete (vector_store.delete) — vendor docs
gemini.corpora.get (vector_store.get) — vendor docs
gemini.corpora.list (vector_store.list) — vendor docs
gemini.generate_answer (llm.complete) — vendor docs

Parameters (5):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

Structured output

Concept guide: Structured Output — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (3/3 rows usable):

gemini.structured_output (llm.complete) — vendor docs
gemini.structured_output.enum (llm.complete) — vendor docs
gemini.structured_output.property_ordering (llm.complete) — vendor docs

Parameters (3):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`generationConfig.responseMimeType`	enum	`"application/json"`	`"application/json"`, `"text/x.enum"`	low	docs

Token counting

Capabilities (4/4 rows usable):

gemini.tokens.compute_cached (llm.count_tokens) — vendor docs
gemini.tokens.count (llm.count_tokens) — vendor docs
gemini.tokens.count_message (llm.count_tokens) — vendor docs
gemini.tokens.usage_metadata (llm.count_tokens) — vendor docs

Parameters (4):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`model`	string	`"gemini-2.5-flash"`	—	low	docs
`option`	object	—	—	low	docs

Tools

Concept guide: Tools & MCP — what this is, when to use it, and how to express it in workflow markdown.

Capabilities (6/9 rows usable):

gemini.tools.code_execution (provider.tool.server) — vendor docs
gemini.tools.computer_use (provider.tool.server) — vendor docs
gemini.tools.file_search (tool.file_search) — vendor docs
gemini.tools.google_maps (tool.maps) — vendor docs
gemini.tools.google_search (provider.tool.server) — vendor docs
gemini.tools.url_context (provider.tool.server) — vendor docs

Parameters (6):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`tools[].googleSearch`	object	`{}`	`{}`	low	docs
`option`	object	—	—	low	docs

Vertex Agent Engine

Capabilities (16/22 rows usable):

gemini.vertex.agent_engine.create (agent.adk_runtime) — vendor docs
gemini.vertex.agent_engine.delete (agent.adk_runtime) — vendor docs
gemini.vertex.agent_engine.get (agent.adk_runtime) — vendor docs
gemini.vertex.agent_engine.list (agent.adk_runtime) — vendor docs
gemini.vertex.agent_engine.memories.create (agent.event.append) — vendor docs
gemini.vertex.agent_engine.memories.delete (agent.event.append) — vendor docs
gemini.vertex.agent_engine.memories.generate (agent.event.append) — vendor docs
gemini.vertex.agent_engine.memories.list (agent.event.append) — vendor docs
gemini.vertex.agent_engine.memories.retrieve (agent.event.append) — vendor docs
gemini.vertex.agent_engine.patch (agent.adk_runtime) — vendor docs
gemini.vertex.agent_engine.sessions.append_event (agent.event.append) — vendor docs
gemini.vertex.agent_engine.sessions.create (agent.event.append) — vendor docs
gemini.vertex.agent_engine.sessions.delete (agent.event.append) — vendor docs
gemini.vertex.agent_engine.sessions.get (agent.event.append) — vendor docs
gemini.vertex.agent_engine.sessions.list (agent.event.append) — vendor docs
gemini.vertex.agent_engine.sessions.list_events (agent.event.append) — vendor docs

Vertex AI

Capabilities (6/10 rows usable):

gemini.vertex (llm.complete) — vendor docs
gemini.vertex.agent_builder (agent.agent_builder) — vendor docs
gemini.vertex.batch_prediction (batch.vertex) — vendor docs
gemini.vertex.grounding_search (tool.vertex_search) — vendor docs
gemini.vertex.model_garden (provider.model_garden) — vendor docs
gemini.vertex.safety_filters (provider.safety_filters) — vendor docs

Vertex Discovery Engine

Capabilities (11/12 rows usable):

gemini.vertex.discovery.answer (llm.complete) — vendor docs
gemini.vertex.discovery.data_stores.create (vector_store.create) — vendor docs
gemini.vertex.discovery.data_stores.delete (vector_store.delete) — vendor docs
gemini.vertex.discovery.data_stores.get (vector_store.get) — vendor docs
gemini.vertex.discovery.data_stores.list (vector_store.list) — vendor docs
gemini.vertex.discovery.documents.import (vector_store.import) — vendor docs
gemini.vertex.discovery.engines.create (agent.adk_runtime) — vendor docs
gemini.vertex.discovery.engines.delete (agent.adk_runtime) — vendor docs
gemini.vertex.discovery.engines.get (agent.adk_runtime) — vendor docs
gemini.vertex.discovery.engines.list (agent.adk_runtime) — vendor docs
gemini.vertex.discovery.search (vector_store.search) — vendor docs

Vertex Evaluation

Capabilities (12/12 rows usable):

gemini.vertex.eval.computation (eval.vertex) — vendor docs
gemini.vertex.eval.metric.bleu (eval.vertex) — vendor docs
gemini.vertex.eval.metric.coherence (eval.vertex) — vendor docs
gemini.vertex.eval.metric.exact_match (eval.vertex) — vendor docs
gemini.vertex.eval.metric.fluency (eval.vertex) — vendor docs
gemini.vertex.eval.metric.groundedness (eval.vertex) — vendor docs
gemini.vertex.eval.metric.helpfulness (eval.vertex) — vendor docs
gemini.vertex.eval.metric.rouge (eval.vertex) — vendor docs
gemini.vertex.eval.metric.safety (eval.vertex) — vendor docs
gemini.vertex.eval.pairwise (eval.vertex) — vendor docs
gemini.vertex.eval.pointwise (eval.vertex) — vendor docs
gemini.vertex.evaluation (eval.vertex) — vendor docs

Vertex Model Garden

Capabilities (3/10 rows usable):

gemini.vertex.partner.deepseek (llm.complete) — vendor docs
gemini.vertex.partner.openai_gpt_oss (llm.complete) — vendor docs
gemini.vertex.partner.qwen (llm.complete) — vendor docs

Vertex Platform

Capabilities (5/25 rows usable):

gemini.vertex.batch_prediction.create (batch.vertex) — vendor docs
gemini.vertex.datasets (agent.adk_runtime) — vendor docs
gemini.vertex.endpoints.create (agent.adk_runtime) — vendor docs
gemini.vertex.experiments.create (eval.vertex) — vendor docs
gemini.vertex.metadata (agent.adk_runtime) — vendor docs

Vertex RAG Engine

Capabilities (17/24 rows usable):

gemini.vertex.rag_engine (vector_store.rag_engine) — vendor docs
gemini.vertex.rag.augment_prompt (vector_store.search) — vendor docs
gemini.vertex.rag.chunking_config (vector_store.import) — vendor docs
gemini.vertex.rag.corpora.create (vector_store.create) — vendor docs
gemini.vertex.rag.corpora.get (vector_store.get) — vendor docs
gemini.vertex.rag.corpora.list (vector_store.list) — vendor docs
gemini.vertex.rag.corpora.patch (vector_store.create) — vendor docs
gemini.vertex.rag.embedding_model_config (vector_store.create) — vendor docs
gemini.vertex.rag.evaluation (eval.vertex) — vendor docs
gemini.vertex.rag.files.delete (vector_store.documents.delete) — vendor docs
gemini.vertex.rag.files.get (vector_store.documents.get) — vendor docs
gemini.vertex.rag.files.import (vector_store.import) — vendor docs
gemini.vertex.rag.files.list (vector_store.documents.list) — vendor docs
gemini.vertex.rag.files.upload (vector_store.upload) — vendor docs
gemini.vertex.rag.retrieve_contexts (vector_store.search) — vendor docs
gemini.vertex.rag.transformations (vector_store.import) — vendor docs
gemini.vertex.rag.vector_db.ragmanaged_db (vector_store.create) — vendor docs

Vertex Vector Search

Capabilities (5/7 rows usable):

gemini.vertex.vector_search.endpoints.create (vector_store.create) — vendor docs
gemini.vertex.vector_search.indexes.create (vector_store.create) — vendor docs
gemini.vertex.vector_search.indexes.delete (vector_store.delete) — vendor docs
gemini.vertex.vector_search.indexes.get (vector_store.get) — vendor docs
gemini.vertex.vector_search.indexes.list (vector_store.list) — vendor docs

Video generation

Capabilities (13/18 rows usable):

gemini.veo.aspect_ratio (media.video.generate) — vendor docs
gemini.veo.audio_generation (media.video.generate) — vendor docs
gemini.veo.duration (media.video.generate) — vendor docs
gemini.veo.generate_videos (media.video.generate) — vendor docs
gemini.veo.image_to_video (media.video.generate) — vendor docs
gemini.veo.params.number_of_videos (media.video.generate) — vendor docs
gemini.veo.params.person_generation (provider.safety_filters) — vendor docs
gemini.veo.params.resolution (media.video.generate) — vendor docs
gemini.veo.params.seed (media.video.generate) — vendor docs
gemini.veo.predict_long_running (media.video.predict_lro) — vendor docs
gemini.veo.veo_2 (media.video.generate) — vendor docs
gemini.veo.veo_3 (media.video.generate) — vendor docs
gemini.veo.veo_3_fast (media.video.generate) — vendor docs

Parameters (13):

Parameter	Type	Default	Allowed	Risk	Notes
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs
`option`	object	—	—	low	docs

​How to read this page

​Agent Development Kit

​Antigravity Auth

​Antigravity Built-in Tools

​Antigravity CLI

​Antigravity Connections

​Antigravity Distribution

​Antigravity Errors

​Antigravity Hooks

​Antigravity MCP

​Antigravity Models

​Antigravity Multimodal

​Antigravity Policies

​Antigravity SDK

​Antigravity Streaming

​Antigravity System Instructions

​Antigravity Triggers

​Audio generation

​Auth

​Batch

​Caching

​Chats

​Core generation

​Embeddings

​File search

​Files

​Function calling

​generationConfig

​Grounding

​Image generation

​Live API

​MCP

​MCP Toolbox

​MIME types

​Models

​Multimodal

​Observability

​Operations

​Reasoning/thinking

​Runtime config

​Safety

​SDK JavaScript

​SDK Python

​Semantic Retriever

​Structured output

​Token counting

​Tools

​Vertex Agent Engine

​Vertex AI

​Vertex Discovery Engine

​Vertex Evaluation

​Vertex Model Garden

​Vertex Platform

​Vertex RAG Engine

​Vertex Vector Search

​Video generation

How to read this page

Agent Development Kit

Antigravity Auth

Antigravity Built-in Tools

Antigravity CLI

Antigravity Connections

Antigravity Distribution

Antigravity Errors

Antigravity Hooks

Antigravity MCP

Antigravity Models

Antigravity Multimodal

Antigravity Policies

Antigravity SDK

Antigravity Streaming

Antigravity System Instructions

Antigravity Triggers

Audio generation

Auth

Batch

Caching

Chats

Core generation

Embeddings

File search

Files

Function calling

generationConfig

Grounding

Image generation

Live API

MCP

MCP Toolbox

MIME types

Models

Multimodal

Observability

Operations

Reasoning/thinking

Runtime config

Safety

SDK JavaScript

SDK Python

Semantic Retriever

Structured output

Token counting

Tools

Vertex Agent Engine

Vertex AI

Vertex Discovery Engine

Vertex Evaluation

Vertex Model Garden

Vertex Platform

Vertex RAG Engine

Vertex Vector Search

Video generation