1,063 pages for prompt.

model-deprecations Claude Developer Platform · in the page about-claude/model-deprecations …ude Mythos Preview](https://anthropic.com/glasswing). | Omit and use [prompting](https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices) to guide mode… choosing-a-model Claude Developer Platform · in the page about-claude/models/choosing-a-model …t models later: 1. Implement with Claude Opus 5.5. 2. [Optimize your prompts](https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-opus-5-5) for this model. 3. Ev… Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …l:** Prefilling the assistant message returns a 400 error. Use system prompt instructions instead. * **Context window and output:** A [1M token context window](https://platform.claude.com/docs/en/buil… optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …st and intelligence on the Claude Platform, with measured results for prompt caching, effort, model choice, output caps, and multi-model strategies. --- The most capable model can be too expensive at… pricing Claude Developer Platform · in the page about-claude/pricing …/ MTok | $15 / MTok | | Claude Haiku 5.5 (for prompts up to 100,000 tokens)… commerce-agents Claude Developer Platform · in the page about-claude/use-case-guides/commerce-agents …-with-skills design, UI components as tools, harness-enforced safety, prompt caching, memory, and evals, read the engineering post [A guide to the anatomy of effective commerce agents](https://claude.… content-moderation Claude Developer Platform · in the page about-claude/use-case-guides/content-moderation …ating interactions with Claude, refer to [Mitigate jailbreaks and prompt injections](https://platform.claude.com/docs/en/test-and-evaluate/strengthen-guardrails/mitigate-jailbreaks) . </Tip> #… customer-support-chat Claude Developer Platform · in the page about-claude/use-case-guides/customer-support-chat …very task you want Claude to be able to perform. This ensures you can prompt and evaluate Claude for every task, and gives you a good sense of the range of interactions you need to account for when wr… legal-summarization Claude Developer Platform · in the page about-claude/use-case-guides/legal-summarization …ensure credibility and compliance with legal standards. Claude can be prompted to include accurate citations for all referenced legal points, making it easier for legal professionals to review and ver… ticket-routing Claude Developer Platform · in the page about-claude/use-case-guides/ticket-routing …cent) across all customer groups. </Accordion> <Accordion title="Prompt efficiency"> In situations where minimizing token count is crucial, this criterion assesses how well Claude performs wi… PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/best-practices …xt window with everything else Claude needs, including: * The system prompt * Conversation history * Other Skills’ metadata * Your actual request Not every token in your Skill has an immediate cost.… claude-api-skill Claude Developer Platform · in the page agents-and-tools/agent-skills/claude-api-skill …face for single requests, streaming chat, tool use, batch processing, prompt caching, structured outputs, and custom agent loops * **Claude Managed Agents (beta):** An Anthropic-hosted surface for ser… enterprise Claude Developer Platform · in the page agents-and-tools/agent-skills/enterprise …metadata (name and description) competes for attention in the system prompt. With too many Skills active, Claude might fail to select the right Skill or miss relevant ones entirely. Use your evaluati… PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/overview …practices that turn a general-purpose agent into a specialist. Unlike prompts (conversation-level instructions for one-off tasks), Skills load on demand, so you don’t have to repeat the same guidance… mcp-connector Claude Developer Platform · in the page agents-and-tools/mcp-connector …You can steer how readily Claude calls MCP tools through your system prompt. See [When Claude uses tools](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview#when-claude-uses-tools… Edit docker-compose.yaml: increment the integer in the setup service's Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/deploy-compose …ared restarts (crash, host reboot) cannot reconnect. Update each host promptly after rotating. </Warning> ### Certificate renewal You’re responsible for monitoring expiry and renewing the server cer… deploy-helm Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/deploy-helm …token (eviction, node drain, OOM) cannot reconnect. Update the Secret promptly after rotating; for stricter availability requirements, use programmatic access so the chart handles the rotation atomica… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …server-side. The advisor runs under its own Anthropic-supplied system prompt and receives the executor’s full transcript as quoted context in its input. That transcript includes your system prompt, th… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …o your request. This is in addition to the per-model [tool use system prompt](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview#pricing) that applies whenever any tool is present.… browser-use-sdk Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-sdk …messages it sends. </Card> <Card title="Mitigate jailbreaks and prompt injections" icon="shield" href="https://platform.claude.com/docs/en/test-and-evaluate/strengthen-guardrails/mitigate-jailbr… browser-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-tool …s> <Step title="Provide Claude with the browser use tool and a user prompt"> * Add the `browser_toolset_20260801` entry, and optionally other tools, to your API request. * Include a user pro… build-a-tool-using-agent Claude Developer Platform · in the page agents-and-tools/tool-use/build-a-tool-using-agent …oolChoiceAuto { DisableParallelToolUse = true }); const string userPrompt = "Schedule a 30-minute sync with [email protected] and [email protected] on Monday, March 30, 2026 at 10am."; // Se… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …into `$OUTPUT_DIR`. If your application depends on receiving a file, prompt Claude to copy it into `$OUTPUT_DIR` and list the directory in the same command, so the `ls` output confirms the capture (C… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …late Claude from sensitive data and actions to avoid risks related to prompt injection. Anthropic has trained the model to resist these prompt injections and has added an extra layer of defense. If y… define-tools Claude Developer Platform · in the page agents-and-tools/tool-use/define-tools …e either `celsius` or `fahrenheit`. </Accordion> ### Tool use system prompt When you call the Claude API with the `tools` parameter, the API constructs a special system prompt from the tool definiti… handle-tool-calls Claude Developer Platform · in the page agents-and-tools/tool-use/handle-tool-calls …nce it might embed instructions that try to redirect Claude (indirect prompt injection). Keep untrusted content inside `tool_result` blocks rather than `system` prompts or plain user `text` blocks, an… manage-tool-context Claude Developer Platform · in the page agents-and-tools/tool-use/manage-tool-context …ext description: Choose among tool search, programmatic tool calling, prompt caching, and context editing to manage context bloat. --- Tool definitions and accumulated `tool_result` blocks consume yo… memory-tool Claude Developer Platform · in the page agents-and-tools/tool-use/memory-tool …itself, so reject a `rename` whose `old_path` is the memory root. ## Prompting guidance When the memory tool is present in your request’s `tools`, the API automatically adds this instruction to the… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …oolChoiceAuto { DisableParallelToolUse = true }); const string userPrompt = "What's the weather in San Francisco?"; // Claude replies with a tool_use block naming the tool and its arguments. v… parallel-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/parallel-tool-use …you can increase the likelihood of parallel tool calls with targeted prompting: <AccordionGroup> <Accordion title="System prompts for parallel tool use"> For Claude 4 and later models, add thi… server-tools Claude Developer Platform · in the page agents-and-tools/tool-use/server-tools …"command"))) .build()) .build(); String prompt = "Summarize https://example.com/article and run uname -a to tell me what system this is on."; Message response = cl… strict-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/strict-tool-use …-and-data-retention#model-specific-data-retention-requirements). Your prompts and Claude's outputs are not stored. Only the JSON schema is cached, for up to 24 hours since last use. This also covers s… text-editor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/text-editor-tool …s> <Step title="Provide Claude with the text editor tool and a user prompt"> * Include the text editor tool in your API request. * Provide a user prompt that might require examining or modif… tool-reference Claude Developer Platform · in the page agents-and-tools/tool-use/tool-reference …nt lands, including markers inside a batch action, see [Tool use with prompt caching](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-use-with-prompt-caching#cache-control-on-tool-d… Log at info level Claude Developer Platform · in the page agents-and-tools/tool-use/tool-runner …This is useful for adding metadata such as `cache_control` to enable [prompt caching](https://platform.claude.com/docs/en/build-with-claude/prompt-caching) on tool results, or for transforming the too… tool-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/tool-search-tool …iptions. Internally, the API excludes deferred tools from the system-prompt prefix. When Claude discovers a deferred tool through tool search, the API appends a `tool_reference` block inline in the c… troubleshooting-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/troubleshooting-tool-use …el constant for the life of a cached conversation. See [Tool use with prompt caching](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-use-with-prompt-caching) and [Thinking and prom… web-fetch-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-fetch-tool …n API key or a password, unless that credential appears in the system prompt or in the text of a user message. However, there is still residual risk that you should carefully consider when using th… web-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-search-tool …o your API request: 1. Claude determines when to search based on the prompt. 2. The API runs the searches and provides Claude with the results. This process can repeat multiple times throughout a sin… Beta Claude Developer Platform · in the page api/beta …c Beta - `AnthropicBeta = string or "message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 52 more` Beta names you can send in the `anthropic-beta` header.… Agents Claude Developer Platform · in the page api/beta/agents …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… Archive Agent Claude Developer Platform · in the page api/beta/agents/archive …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… Create Agent Claude Developer Platform · in the page api/beta/agents/create …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… List Agents Claude Developer Platform · in the page api/beta/agents/list …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… Get Agent Claude Developer Platform · in the page api/beta/agents/retrieve …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… Update Agent Claude Developer Platform · in the page api/beta/agents/update …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… Versions Claude Developer Platform · in the page api/beta/agents/versions …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… List Agent Versions Claude Developer Platform · in the page api/beta/agents/versions/list …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… Deployment Runs Claude Developer Platform · in the page api/beta/deployment_runs …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke… List Deployment Runs Claude Developer Platform · in the page api/beta/deployment_runs/list …this header. - `string` - `"message-batches-2024-09-24"` - `"prompt-caching-2024-07-31"` - `"computer-use-2024-10-22"` - `"computer-use-2025-01-24"` - `"pdfs-2024-09-25"` - `"toke…