1,157 pages for head.

beta-headers Claude Developer Platform · title api/beta-headers SEP-2243: HTTP Header Standardization for Streamable HTTP Transport Model Context Protocol · title seps/2243-http-standardization Run Claude Code programmatically Claude Code CLI · path headless Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …docs/en/build-with-claude/context-windows) (the default, with no beta header), [128k max output tokens](https://platform.claude.com/docs/en/models/overview), [adaptive thinking](https://platform.claud… optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …was set. Do not change a byte of the prefix. 2. Re-send the request’s headers with its body. Without the original request’s `anthropic-beta` header, the beta-gated fields in the replayed body are reje… pricing Claude Developer Platform · in the page about-claude/pricing …pricing). When using the computer use tool: **Toolset definition overhead:** Declaring `computer_toolset_20260801` with its default members adds about 4,500 input tokens to a request: about 4,590 on… legal-summarization Claude Developer Platform · in the page about-claude/use-case-guides/legal-summarization …tr} Provide the summary in bullet points nested within the XML header for each section. For example: <parties involved> - Sublessor: [Name] // Add more details as needed… overview Claude Developer Platform · in the page about-claude/use-case-guides/overview …th Claude. <CardGroup cols={2}> <Card title="Ticket routing" icon="headset" href="https://platform.claude.com/docs/en/about-claude/use-case-guides/ticket-routing"> Best practices for using Clau… PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/best-practices …en encountering nested references, Claude might use commands such as `head -100` to preview content rather than reading entire files, resulting in incomplete information. **Keep references one level… claude-api-skill Claude Developer Platform · in the page agents-and-tools/agent-skills/claude-api-skill …s/en/build-with-claude/structured-outputs) where applicable * **Beta header cleanup**, removing beta headers that the target model doesn’t require (for example, `effort-2025-11-24`, `fine-grained-too… mcp-connector Claude Developer Platform · in the page agents-and-tools/mcp-connector …or configure individual tools. featureMetadata: status: beta betaHeader: mcp-client-2026-09-15, mcp-client-2025-11-20 zdr: eligibility: not-eligible note: Data retained according to sta… console Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/console …iry appear in the certificate list, and the slot count on the section header increments. </Step> </Steps> A tunnel holds up to two active certificates so you can rotate without downtime: register t… overview Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/overview …he public internet. featureMetadata: status: research-preview betaHeader: mcp-client-2026-09-15, mcp-client-2025-11-20 zdr: eligibility: not-eligible note: Research preview. The MCP tunn… reference Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/reference …The previous Admin API surface at `/v1/organizations/tunnels` (beta header `mcp-tunnels-2026-05-19`, scope `org:manage_tunnels`) continues to work during a migration window and remains documented in… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …ategic guidance mid-generation. featureMetadata: status: beta betaHeader: advisor-tool-2026-03-01 zdr: eligibility: eligible note: Excludes [Covered Models](https://platform.claude.com/d… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …rrent version of the tool is `bash_20250124`. For model support, beta headers, and the earlier version, see [Tool versions](https://platform.claude.com/docs/en/agents-and-tools/tool-use/bash-tool#tool… browser-use-sdk Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-sdk …{"role": "user", "content": "Open example.com and tell me its heading."} ], ) for message in runner: print(message) ``` ```typescript TypeScript import A… browser-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-tool …`allowed_callers`, the `fine-grained-tool-streaming-2025-05-14` beta header on the request, a `tool_choice` of type `tool` naming `browser` or a member, or a second browser toolset entry or another t… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …oundry. None of the three tool versions requires an `anthropic-beta` header. The legacy code execution beta headers remain valid opt-ins. The examples on this page use `code_execution_20250825`, whi… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …the computer_toolset_20260801 client toolset. featureMetadata: betaHeader: computer-use-2025-11-24, computer-use-2025-01-24 zdr: eligibility: eligible note: Excludes [Covered Models](http… fine-grained-tool-streaming Claude Developer Platform · in the page agents-and-tools/tool-use/fine-grained-tool-streaming …request that sends the `fine-grained-tool-streaming-2025-05-14` beta header, which turns fine-grained streaming on for tools that leave the field unset. The per-tool field replaces that header, and a… how-tool-use-works Claude Developer Platform · in the page agents-and-tools/tool-use/how-tool-use-works …call is at least one extra round trip; for lightweight tasks the overhead can exceed the work. ## Choosing between approaches | Approach | When to use it… memory-tool Claude Developer Platform · in the page agents-and-tools/tool-use/memory-tool …a namespace even though the memory tool itself doesn’t require a beta header. The Go and Ruby SDKs have no memory helper, so those examples run the tool-use loop themselves, and PHP wraps your handler… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …/Accordion> ## Choose a tool For `type` strings, versions, and beta headers, see [Tool reference](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-reference). ### Your own tools… Process results programmatically Claude Developer Platform · in the page agents-and-tools/tool-use/programmatic-tool-calling …ns. * **Multiple tool calls in one code execution:** This reduces overhead compared to separate model turns. For example, calling 10 tools directly uses roughly 10 times the tokens of calling them pr… tool-reference Claude Developer Platform · in the page agents-and-tools/tool-use/tool-reference …| Execution | [Beta header](https://platform.claude.com/docs/en/api/beta-headers) | | ----------------------------------------------------------------… tool-use-with-prompt-caching Claude Developer Platform · in the page agents-and-tools/tool-use/tool-use-with-prompt-caching …d system caches too on models that render the thinking configuration ahead of them (see [Thinking and prompt caching](https://platform.claude.com/docs/en/build-with-claude/thinking#thinking-and-prompt… Beta Claude Developer Platform · in the page api/beta …10-22" or 53 more` Beta names you can send in the `anthropic-beta` header. See [Beta headers](https://platform.claude.com/docs/en/api/beta-headers?sdk_languages=http) for how to send them and wh… Agents Claude Developer Platform · in the page api/beta/agents …# Agents ## Create Agent **POST** `/v1/agents` Create Agent ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Archive Agent Claude Developer Platform · in the page api/beta/agents/archive …`agent_id: string` Unique identifier of the agent to archive. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Create Agent Claude Developer Platform · in the page api/beta/agents/create …s/create --- # Create Agent **POST** `/v1/agents` Create Agent ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List Agents Claude Developer Platform · in the page api/beta/agents/list …nal string` Opaque pagination cursor from a previous response. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Agent Claude Developer Platform · in the page api/beta/agents/retrieve …recent version. Must be at least 1 if specified. format: int32 ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Update Agent Claude Developer Platform · in the page api/beta/agents/update …- `agent_id: string` Unique identifier of the agent to update. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Versions Claude Developer Platform · in the page api/beta/agents/versions …t: int32 - `page: optional string` Opaque pagination cursor. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List Agent Versions Claude Developer Platform · in the page api/beta/agents/versions/list …at: int32 - `page: optional string` Opaque pagination cursor. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Deployment Runs Claude Developer Platform · in the page api/beta/deployment_runs …manually by creating a session directly against the deployment. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List Deployment Runs Claude Developer Platform · in the page api/beta/deployment_runs/list …d manually by creating a session directly against the deployment. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Deployment Run Claude Developer Platform · in the page api/beta/deployment_runs/retrieve …yment_run_id: string` Unique identifier of the deployment run. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Deployments Claude Developer Platform · in the page api/beta/deployments …Create Deployment **POST** `/v1/deployments` Create Deployment ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Archive Deployment Claude Developer Platform · in the page api/beta/deployments/archive …nt_id: string` Unique identifier of the deployment to archive. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Create Deployment Claude Developer Platform · in the page api/beta/deployments/create …Create Deployment **POST** `/v1/deployments` Create Deployment ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… List Deployments Claude Developer Platform · in the page api/beta/deployments/list …onomous triggers are suppressed; manual runs are still permitted. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Pause Deployment Claude Developer Platform · in the page api/beta/deployments/pause …ment_id: string` Unique identifier of the deployment to pause. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Get Deployment Claude Developer Platform · in the page api/beta/deployments/retrieve …- `deployment_id: string` Unique identifier of the deployment. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Run Deployment Now Claude Developer Platform · in the page api/beta/deployments/run …oyment_id: string` Unique identifier of the deployment to run. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Unpause Deployment Claude Developer Platform · in the page api/beta/deployments/unpause …nt_id: string` Unique identifier of the deployment to unpause. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Update Deployment Claude Developer Platform · in the page api/beta/deployments/update …ent_id: string` Unique identifier of the deployment to update. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Dreams Claude Developer Platform · in the page api/beta/dreams …guages=http#create-a-dream) to learn more about creating dreams. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning… Archive a Dream Claude Developer Platform · in the page api/beta/dreams/archive …`dream_id: string` The ID of the dream to archive (`drm_...`). ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning…