1,316 pages for mode.

define-tools Claude Developer Platform · in the page agents-and-tools/tool-use/define-tools …ied system prompt. The constructed prompt is designed to instruct the model to use the specified tool(s) and provide the necessary context for the tool to operate properly: ```text wrap In this envir… fine-grained-tool-streaming Claude Developer Platform · in the page agents-and-tools/tool-use/fine-grained-tool-streaming …to Claude. </Warning> ## How to use fine-grained tool streaming All models support fine-grained tool streaming on the Claude API, [Amazon Bedrock](https://platform.claude.com/docs/en/build-with-clau… handle-tool-calls Claude Developer Platform · in the page agents-and-tools/tool-use/handle-tool-calls …lock"> ```text JSON wrap { "id": "msg_01Aq9w938a90dw8q", "model": "claude-opus-5-5", "stop_reason": "tool_use", "role": "assistant", "content": [ { "type": "text"… how-tool-use-works Claude Developer Platform · in the page agents-and-tools/tool-use/how-tool-use-works …use contract Tool use is a contract between your application and the model. You specify what operations are available and what shape their inputs and outputs take; Claude determines when and how to c… memory-tool Claude Developer Platform · in the page agents-and-tools/tool-use/memory-tool …tails..." ``` The memory tool is available on all Claude 4 and later models. For the full list of Anthropic-provided tools, see the [Tool reference](https://platform.claude.com/docs/en/agents-and-too… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …3-06-01" \ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 1024, "tools": [{"type": "web_search_20260209", "name": "web_search"}],… parallel-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/parallel-tool-use …g parallel tool calls...") response = client.messages.create( model="claude-opus-5-5", max_tokens=1024, messages=messages, tools=tools ) # Check for parallel tool calls tool_uses = [blo… Process results programmatically Claude Developer Platform · in the page agents-and-tools/tool-use/programmatic-tool-calling …de call your tools from code in the code execution container, cutting model round trips and token use in multi-tool workflows. featureMetadata: status: ga zdr: not-eligible supportedModels:… server-tools Claude Developer Platform · in the page agents-and-tools/tool-use/server-tools …3-06-01" \ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 1024, "messages": [ { "role": "user", "content":… strict-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/strict-tool-use …ntees Claude's tool inputs match your JSON Schema by constraining the model's token sampling to schema-valid outputs (a technique called grammar-constrained sampling). This page covers why strict mode… text-editor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/text-editor-tool …oviding hands-on assistance rather than just suggesting changes. For model support, see the [Tool reference](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-reference). ## When to… tool-combinations Claude Developer Platform · in the page agents-and-tools/tool-use/tool-combinations …de.com/docs/en/agents-and-tools/tool-use/memory-tool) for the storage model. ## All-in-one: computer\_use The computer use tool subsumes most others by operating a full desktop. Claude receives scre… tool-reference Claude Developer Platform · in the page agents-and-tools/tool-use/tool-reference …| For model compatibility, see each tool's page. Supported models vary by tool and by tool version. To check from your code whether a mo… Log at info level Claude Developer Platform · in the page agents-and-tools/tool-use/tool-runner …n str(a + b) runner = client.beta.messages.tool_runner( model="claude-opus-5-5", max_tokens=1024, tools=[get_weather, calculate_sum], messages=[ {… tool-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/tool-search-tool …election accuracy stays high even across thousands of tools. For the models that support tool search, see [Model compatibility](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-sear… tool-use-with-prompt-caching Claude Developer Platform · in the page agents-and-tools/tool-use/tool-use-with-prompt-caching …Deferred tools are not included in the system-prompt prefix. When the model discovers a deferred tool through [tool search](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-search-to… troubleshooting-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/troubleshooting-tool-use …------------------- | | Parameter that doesn't exist in your schema | Model over-generation without strict mode | Add `strict: true` if your schema is in the [supported subset](https://platform.claude… web-fetch-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-fetch-tool …nse quality. Dynamic filtering is available with Claude 4.6 and later models and [Claude Mythos Preview](https://anthropic.com/glasswing). `web_fetch_20260318` also adds [response inclusion](https://p… web-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-search-tool …information. Dynamic filtering is available with Claude 4.6 and later models and [Claude Mythos Preview](https://anthropic.com/glasswing). Three versions of the web search tool are available: * `web… Beta Claude Developer Platform · in the page api/beta …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… beta-headers Claude Developer Platform · in the page api/beta-headers …. --- Beta headers allow you to access experimental features and new model capabilities before they become part of the standard API. <Info> The [client SDK](https://platform.claude.com/docs/en/cli… Agents Claude Developer Platform · in the page api/beta/agents …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Archive Agent Claude Developer Platform · in the page api/beta/agents/archive …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Create Agent Claude Developer Platform · in the page api/beta/agents/create …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… List Agents Claude Developer Platform · in the page api/beta/agents/list …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Get Agent Claude Developer Platform · in the page api/beta/agents/retrieve …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Update Agent Claude Developer Platform · in the page api/beta/agents/update …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Versions Claude Developer Platform · in the page api/beta/agents/versions …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… List Agent Versions Claude Developer Platform · in the page api/beta/agents/versions/list …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Deployment Runs Claude Developer Platform · in the page api/beta/deployment_runs …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… List Deployment Runs Claude Developer Platform · in the page api/beta/deployment_runs/list …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Get Deployment Run Claude Developer Platform · in the page api/beta/deployment_runs/retrieve …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Deployments Claude Developer Platform · in the page api/beta/deployments …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Archive Deployment Claude Developer Platform · in the page api/beta/deployments/archive …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Create Deployment Claude Developer Platform · in the page api/beta/deployments/create …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… List Deployments Claude Developer Platform · in the page api/beta/deployments/list …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Pause Deployment Claude Developer Platform · in the page api/beta/deployments/pause …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Get Deployment Claude Developer Platform · in the page api/beta/deployments/retrieve …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Run Deployment Now Claude Developer Platform · in the page api/beta/deployments/run …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Unpause Deployment Claude Developer Platform · in the page api/beta/deployments/unpause …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Update Deployment Claude Developer Platform · in the page api/beta/deployments/update …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Dreams Claude Developer Platform · in the page api/beta/dreams …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Archive a Dream Claude Developer Platform · in the page api/beta/dreams/archive …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Cancel a Dream Claude Developer Platform · in the page api/beta/dreams/cancel …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Create a Dream Claude Developer Platform · in the page api/beta/dreams/create …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… List Dreams Claude Developer Platform · in the page api/beta/dreams/list …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Get a Dream Claude Developer Platform · in the page api/beta/dreams/retrieve …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Environments Claude Developer Platform · in the page api/beta/environments …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Archive Environment Claude Developer Platform · in the page api/beta/environments/archive …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"… Create Environment Claude Developer Platform · in the page api/beta/environments/create …context-1m-2025-08-07"` - `"context-management-2025-06-27"` - `"model-context-window-exceeded-2025-08-26"` - `"skills-2025-10-02"` - `"fast-mode-2026-02-01"` - `"output-300k-2026-03-24"…