692 pages for agents.

files Claude Developer Platform · in the page build-with-claude/files …n using the [code execution tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool) to provide inputs (for example, datasets and documents) and then download outputs (… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …mentations, use the [tool runner](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-runner), which automatically handles tool execution, result formatting, and conversation management… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …st, scouting the task itself and then fanning work out to parallel subagents by default. When it is off, the same orchestration tool goes back to per-request opt-in. The mode is not an API parameter.… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …tools` array, and [MCP connector](https://platform.claude.com/docs/en/agents-and-tools/mcp-connector) tools can be referenced individually with `mcp_tool_reference` (`server_name` and `name`) or as a… overview Claude Developer Platform · in the page build-with-claude/overview …-------------- | | [Advisor tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/advisor-tool) | Pair a faster executor model with a higher-intelligence advisor model that prov… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …at high volume. * [Tool use](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview): To extract specific information from documents for use as tool inputs. </Step> </Steps> ##… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …ng Nothing changes for you if Claude Code, claude.ai, Claude Managed Agents, or the Claude Agent SDK builds your requests, or if your code keeps `system` and `tools` fixed for a session and only ever… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …ilor your prompt caching strategy to your scenario: * Conversational agents: Reduce cost and latency for extended conversations, especially those with long instructions or uploaded documents. * Codin… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …ering, see [Tool use with Claude](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview). For Claude to take action, be more explicit: <Accordion title="Example: Explicit instructio… prompting-claude-fable-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5 …gnificantly more dependable at dispatching and sustaining parallel subagents, and reliably manages ongoing communication with long-running subagents and peer agents. Beyond these specific improvement… Delivering work Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5-1 …h triggering, safeguard false positives, file edits, long outputs, subagents, and vision. --- For the model's capabilities, API changes, pricing, and availability, see [What's new in Claude Fable 5.1… prompting-claude-haiku-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-haiku-5-5 …re reported as done without a check that exercises them: [Tell coding agents to verify their changes](https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-haiku-5-… prompting-claude-opus-4-8 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-4-8 …Claude Opus 4.8, covering verbosity, effort calibration, tool use, subagents, and frontend defaults. --- This guide covers the prompting patterns specific to Claude Opus 4.8. For the API changes invo… prompting-claude-opus-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5 …* **Multiagent coordination:** Claude Opus 5 coordinates teams of subagents well, with effective writer-verifier patterns and few cases of agents overwriting each other's work. For cost-sensitive wor… prompting-claude-opus-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5-5 …-opus-5-5#explore-context-in-multi-app-workflows) * You run a team of agents and want it to finish sooner: [Time signals for multiagent harnesses](https://platform.claude.com/docs/en/build-with-claude… prompting-claude-sonnet-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5 …usage and behavior can differ between autonomous, asynchronous coding agents with a single user turn and interactive, synchronous coding agents with multiple user turns. To maximize both performance a… prompting-claude-sonnet-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5 …an start its own rounds of review and verification, sometimes with subagents if your harness provides them. It can also make related fixes it noticed along the way. This takes more time and tokens, so… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …e turn can produce several refusals, for example an agent plus its subagents. * **Configure fallback on every request path.** Retry handlers, error-recovery branches, and background workers all need i… search-results Claude Developer Platform · in the page build-with-claude/search-results …he tool call with [`tool_choice`](https://platform.claude.com/docs/en/agents-and-tools/tool-use/define-tools#forcing-tool-use), so the retrieval step runs every time. ### Example: Knowledge base tool… skills-guide Claude Developer Platform · in the page build-with-claude/skills-guide …s in the API" icon="rocket" href="https://platform.claude.com/docs/en/agents-and-tools/agent-skills/quickstart"> Learn how to use Agent Skills to create documents with the Claude API in under 10 m… streaming Claude Developer Platform · in the page build-with-claude/streaming …supports [fine-grained streaming](https://platform.claude.com/docs/en/agents-and-tools/tool-use/fine-grained-tool-streaming) for parameter values. Enable it on individual tools with `eager_input_strea… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …and inputs. See [Strict tool use](https://platform.claude.com/docs/en/agents-and-tools/tool-use/strict-tool-use). You can use these features independently or [together in the same request](https://pl… thinking Claude Developer Platform · in the page build-with-claude/thinking …inking works alongside [tool use](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview), letting Claude reason through tool selection and process tool results. Two constraints apply:… thinking-tool-workflows Claude Developer Platform · in the page build-with-claude/thinking-tool-workflows …er, this is a standard [tool use](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview) request: <CodeGroup> ```bash cURL curl https://api.anthropic.com/v1/messages… token-counting Claude Developer Platform · in the page build-with-claude/token-counting …pport for system prompts, [tools](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview), [images](https://platform.claude.com/docs/en/build-with-claude/vision), and [PDFs](https://pl… vision Claude Developer Platform · in the page build-with-claude/vision …you return to the [computer use](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool#handle-coordinate-scaling-for-higher-resolutions) and [browser use](https://platform.c… vision-coordinates Claude Developer Platform · in the page build-with-claude/vision-coordinates …you return to the [computer use](https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool#handle-coordinate-scaling-for-higher-resolutions) and [browser use](https://platform.c… working-with-messages Claude Developer Platform · in the page build-with-claude/working-with-messages …| Messages API | Claude Managed Agents | | -------------- | ------------------------------------------- | ----… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …See [Providing tool use examples](https://platform.claude.com/docs/en/agents-and-tools/tool-use/define-tools#providing-tool-use-examples) for details. Example of a good tool description: ```json {… apply Claude Developer Platform · in the page cli-sdks-libraries/cli/apply ….claude.com/docs/en/cli-sdks-libraries/cli/apply description: Declare agents, environments, skills, memory stores, deployments, and vaults as files in your repository and keep the API's resources in s… scripting Claude Developer Platform · in the page cli-sdks-libraries/cli/scripting …-libraries/cli/using). ## Version-controlling API resources To keep agents, environments, and other Claude Managed Agents resources as files in your repository, see [Manage resources as code with an… sessions-connect Claude Developer Platform · in the page cli-sdks-libraries/cli/sessions-connect --- title: Connect to a Managed Agents session from your terminal url: https://platform.claude.com/docs/en/cli-sdks-libraries/cli/sessions-connect description: Attach the ant CLI to a Claude Managed A… using Claude Developer Platform · in the page cli-sdks-libraries/cli/using …-help` to any subcommand for its flags. Resources in beta (including agents, sessions, deployments, and environments) live under the `beta:` prefix. Commands in this namespace automatically send the… apple-foundation-models Claude Developer Platform · in the page cli-sdks-libraries/libraries/apple-foundation-models …them. See [Tool use with Claude](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview). ```swift let session = LanguageModelSession(model: model, tools: [FindRestaurantsTool()]) ``… openai-sdk Claude Developer Platform · in the page cli-sdks-libraries/libraries/openai-sdk …se models. See [Forcing tool use](https://platform.claude.com/docs/en/agents-and-tools/tool-use/define-tools#forcing-tool-use). | | `name` | | Ignored… overview Claude Developer Platform · in the page cli-sdks-libraries/overview …de through the OpenAI SDK surface </Card> </CardGroup> ## Building agents or using Claude Code? The CLI, client SDKs, and libraries are for calling the Claude API yourself: you send each request a… java Claude Developer Platform · in the page cli-sdks-libraries/sdks/java …Tool use [Tool use with Claude](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview) lets you integrate external tools and functions directly into the AI model's responses. Instea… For Amazon Bedrock support Claude Developer Platform · in the page cli-sdks-libraries/sdks/python …tails, see [Tool use with Claude](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview). ### Tool helpers The SDK provides helpers for defining and running tools as pure Python fun… Automatically handles tool execution loop Claude Developer Platform · in the page cli-sdks-libraries/sdks/ruby …l runner, see [Tool runner (SDK)](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-runner). ```ruby anthropic = Anthropic::Client.new class CalculatorInput < Anthropic::BaseModel… typescript Claude Developer Platform · in the page cli-sdks-libraries/sdks/typescript …l use, see [Tool use with Claude](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview). To run the browser use tool or the computer use tool with this SDK, see [Browser and computer… get-api-key Claude Developer Platform · in the page get-api-key …an be used by workloads such as CI pipelines, production services, or agents. Use a personal key for your own development, and a service account key for anything shared. You can also create a **works… home Claude Developer Platform · in the page home …nk> </HomePlatformCard> <HomePlatformCard title="Managed Agents" description="Fully managed agent infrastructure. Deploy and manage autonomous agents in stateful sessions with persistent… intro Claude Developer Platform · in the page intro …| Messages API | Claude Managed Agents | | -------------- | ------------------------------------------- | ----… api-and-data-retention Claude Developer Platform · in the page manage-claude/api-and-data-retention …usage in the Claude Console, including playground. * **Claude Managed Agents:** Claude Managed Agents is a stateful resource; session transcripts persist until you delete them. * **Claude consumer pro… cmek Claude Developer Platform · in the page manage-claude/cmek …Files API uploads), and MCP and tool configuration. * [Claude Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview) (beta) data, including agent configurations, environments, we… compliance-api Claude Developer Platform · in the page manage-claude/compliance-api …transcripts"> List the sessions your users run in Claude apps and agents, such as Cowork and Claude Code, and retrieve their transcripts. Compliance Access Key required. </Card> <Card href="h… compliance-api-access Claude Developer Platform · in the page manage-claude/compliance-api-access …nce_user_data` to list the sessions your users run in Claude apps and agents, such as Cowork and Claude Code, and retrieve their transcripts. </Card> </CardGroup> WARNING: This operation PERMANENTLY deletes the chat, all of its messages, Claude Developer Platform · in the page manage-claude/compliance-content-data …ce-sessions"> List the sessions your users run in Claude apps and agents, such as Cowork and Claude Code, and retrieve their transcripts. </Card> <Card title="List organizations, users, roles… before_id is the first_id from a previous response Claude Developer Platform · in the page manage-claude/compliance-integration-patterns …ce-sessions"> List the sessions your users run in Claude apps and agents, such as Cowork and Claude Code, and retrieve their transcripts. </Card> </CardGroup> compliance-sessions Claude Developer Platform · in the page manage-claude/compliance-sessions …ions description: List the sessions your users run in Claude apps and agents, such as Claude Cowork and Claude Code, and retrieve their transcripts through the Compliance API. --- <Note> The endpoi…