1,054 pages for script.

claude-haiku-3 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-3 …form.claude.com/docs/en/release-notes/system-prompts/claude-haiku-3 description: See updates to the core system prompt for Claude Haiku 3 on [claude.ai](https://claude.ai), the [Claude iOS app](https:… claude-haiku-3-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-3-5 …rm.claude.com/docs/en/release-notes/system-prompts/claude-haiku-3-5 description: See updates to the core system prompt for Claude Haiku 3.5 on [claude.ai](https://claude.ai), the [Claude iOS app](http… claude-haiku-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-4-5 …rm.claude.com/docs/en/release-notes/system-prompts/claude-haiku-4-5 description: See updates to the core system prompt for Claude Haiku 4.5 on [claude.ai](https://claude.ai), the [Claude iOS app](http… claude-haiku-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-5-5 …rm.claude.com/docs/en/release-notes/system-prompts/claude-haiku-5-5 description: See updates to the core system prompt for Claude Haiku 5.5 on [claude.ai](https://claude.ai), the [Claude iOS app](http… claude-opus-3 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-3 …tform.claude.com/docs/en/release-notes/system-prompts/claude-opus-3 description: See updates to the core system prompt for Claude Opus 3 on [claude.ai](https://claude.ai), the [Claude iOS app](https:/… claude-opus-4 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4 …tform.claude.com/docs/en/release-notes/system-prompts/claude-opus-4 description: See updates to the core system prompt for Claude Opus 4 on [claude.ai](https://claude.ai), the [Claude iOS app](https:/… claude-opus-4-1 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-1 …orm.claude.com/docs/en/release-notes/system-prompts/claude-opus-4-1 description: See updates to the core system prompt for Claude Opus 4.1 on [claude.ai](https://claude.ai), the [Claude iOS app](https… claude-opus-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-5 …orm.claude.com/docs/en/release-notes/system-prompts/claude-opus-4-5 description: See updates to the core system prompt for Claude Opus 4.5 on [claude.ai](https://claude.ai), the [Claude iOS app](https… claude-opus-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-6 …orm.claude.com/docs/en/release-notes/system-prompts/claude-opus-4-6 description: See updates to the core system prompt for Claude Opus 4.6 on [claude.ai](https://claude.ai), the [Claude iOS app](https… claude-opus-4-7 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-7 …orm.claude.com/docs/en/release-notes/system-prompts/claude-opus-4-7 description: See updates to the core system prompt for Claude Opus 4.7 on [claude.ai](https://claude.ai), the [Claude iOS app](https… claude-opus-4-8 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-8 …orm.claude.com/docs/en/release-notes/system-prompts/claude-opus-4-8 description: See updates to the core system prompt for Claude Opus 4.8 on [claude.ai](https://claude.ai), the [Claude iOS app](https… claude-opus-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5 …tform.claude.com/docs/en/release-notes/system-prompts/claude-opus-5 description: See updates to the core system prompt for Claude Opus 5 on [claude.ai](https://claude.ai), the [Claude iOS app](https:/… claude-opus-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5-5 …orm.claude.com/docs/en/release-notes/system-prompts/claude-opus-5-5 description: See updates to the core system prompt for Claude Opus 5.5 on [claude.ai](https://claude.ai), the [Claude iOS app](https… claude-sonnet-3-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-3-5 …m.claude.com/docs/en/release-notes/system-prompts/claude-sonnet-3-5 description: See updates to the core system prompt for Claude Sonnet 3.5 on [claude.ai](https://claude.ai), the [Claude iOS app](htt… claude-sonnet-3-7 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-3-7 …m.claude.com/docs/en/release-notes/system-prompts/claude-sonnet-3-7 description: See updates to the core system prompt for Claude Sonnet 3.7 on [claude.ai](https://claude.ai), the [Claude iOS app](htt… claude-sonnet-4 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4 …orm.claude.com/docs/en/release-notes/system-prompts/claude-sonnet-4 description: See updates to the core system prompt for Claude Sonnet 4 on [claude.ai](https://claude.ai), the [Claude iOS app](https… claude-sonnet-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-5 …m.claude.com/docs/en/release-notes/system-prompts/claude-sonnet-4-5 description: See updates to the core system prompt for Claude Sonnet 4.5 on [claude.ai](https://claude.ai), the [Claude iOS app](htt… claude-sonnet-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-6 …m.claude.com/docs/en/release-notes/system-prompts/claude-sonnet-4-6 description: See updates to the core system prompt for Claude Sonnet 4.6 on [claude.ai](https://claude.ai), the [Claude iOS app](htt… claude-sonnet-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5 …orm.claude.com/docs/en/release-notes/system-prompts/claude-sonnet-5 description: See updates to the core system prompt for Claude Sonnet 5 on [claude.ai](https://claude.ai), the [Claude iOS app](https… claude-sonnet-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5-5 …m.claude.com/docs/en/release-notes/system-prompts/claude-sonnet-5-5 description: See updates to the core system prompt for Claude Sonnet 5.5 on [claude.ai](https://claude.ai), the [Claude iOS app](htt… overview Claude Developer Platform · in the page release-notes/system-prompts/overview …//platform.claude.com/docs/en/release-notes/system-prompts/overview description: See updates to the core system prompts on [claude.ai](https://claude.ai), the [Claude iOS app](https://anthropic.com/io… overview Claude Developer Platform · in the page resources/overview …l cards url: https://platform.claude.com/docs/en/resources/overview description: Model cards with detailed documentation for Claude models. --- <CardGroup cols={3}> <Card title="Claude Haiku 5.5 Sy… develop-tests Claude Developer Platform · in the page test-and-evaluate/develop-tests …https://platform.claude.com/docs/en/test-and-evaluate/develop-tests description: Define measurable success criteria for your LLM application and build evaluations to test it, from exact match checks t… handle-streaming-refusals Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/handle-streaming-refusals …n/test-and-evaluate/strengthen-guardrails/handle-streaming-refusals description: Detect and handle refusal stop reasons in streaming responses, and retry refused requests on a fallback model. --- Sta… increase-consistency Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/increase-consistency …ocs/en/test-and-evaluate/strengthen-guardrails/increase-consistency description: Make Claude's outputs more consistent by specifying exact formats, prefilling responses, constraining with examples, an… mitigate-jailbreaks Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/mitigate-jailbreaks …docs/en/test-and-evaluate/strengthen-guardrails/mitigate-jailbreaks description: Defend your application against jailbreaks and prompt injection with input screening, hardened system prompts, and safe… reduce-hallucinations Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/reduce-hallucinations …cs/en/test-and-evaluate/strengthen-guardrails/reduce-hallucinations description: Minimize hallucinations in Claude's outputs by allowing uncertainty, grounding responses in direct quotes, and verifyin… reduce-latency Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/reduce-latency ….com/docs/en/test-and-evaluate/strengthen-guardrails/reduce-latency description: Reduce Claude's response latency by choosing a faster model such as Claude Haiku 5.5, trimming prompt and output tokens… reduce-prompt-leak Claude Developer Platform · in the page test-and-evaluate/strengthen-guardrails/reduce-prompt-leak …/docs/en/test-and-evaluate/strengthen-guardrails/reduce-prompt-leak description: Reduce the risk of prompt leaks by separating context from user queries, filtering Claude's outputs, and auditing promp… Use Claude Code with a screen reader Claude Code CLI · in the page accessibility …TUP_QUIET_MS`](/docs/en/env-vars#variables). Each message in the transcript starts with a label your screen reader announces, naming what it is: your messages, Claude's replies and thinking, tool act… Set up Claude Code for your organization Claude Code CLI · in the page admin-setup …Enterprise | You want Claude Code and claude.ai under one per-seat subscription with no infrastructure to run. This is the default recommendation. | | Claude Console | You're API-first or want pay-as-… Escalate hard decisions with the advisor tool Claude Code CLI · in the page advisor …docs/en/agents-and-tools/tool-use/advisor-tool), available to both subscription and API-billed accounts. You choose which model acts as the advisor, and Claude decides when to call it. This page cove… How the agent loop works Claude Code CLI · in the page agent-sdk/agent-loop …ntrol over tools, permissions, cost limits, and output. Both the TypeScript and Python SDKs bundle a native Claude Code binary, so most installs need no separate Claude Code install. See the [quickst… Use Claude Code features in the SDK Claude Code CLI · in the page agent-sdk/claude-code-features …udeagentoptions) in Python, [`settingSources`](/docs/en/agent-sdk/typescript#settingsource) in TypeScript) controls which filesystem-based settings the SDK loads. Pass an explicit list to opt in to sp… Configure your agent Claude Code CLI · in the page agent-sdk/configuration …option's type and default, see the [`Options`](/docs/en/agent-sdk/typescript#options) (TypeScript) and [`ClaudeAgentOptions`](/docs/en/agent-sdk/python#claudeagentoptions) (Python) references. ## Pas… Track cost and usage Claude Code CLI · in the page agent-sdk/cost-tracking …lti-step conversations. For complete API documentation, see the [TypeScript SDK reference](/docs/en/agent-sdk/typescript.md) and [Python SDK reference](/docs/en/agent-sdk/python.md). > [!WARNING] >… Give Claude custom tools Claude Code CLI · in the page agent-sdk/custom-tools …/agent-sdk/python#tool) (Python) or [`tool()`](/docs/en/agent-sdk/typescript#tool) (TypeScript) with a name, description, schema, and handler. See [Create a custom tool](#create-a-custom-tool). | | Ma… Examples Claude Code CLI · in the page agent-sdk/examples …cs/en/agent-sdk/quickstart.md): build your first working agent in TypeScript or Python, with setup steps included. The agent finds and fixes bugs in a sample file. * [Hello World](https://github.com/… Rewind file changes with checkpointing Claude Code CLI · in the page agent-sdk/file-checkpointing …history and context remain intact after calling `rewindFiles()` (TypeScript) or `rewind_files()` (Python). When you rewind to a checkpoint, Claude Code deletes the files it created and restores the… Intercept and control agent behavior with hooks Claude Code CLI · in the page agent-sdk/hooks …iles when the corresponding [`settingSources`](/docs/en/agent-sdk/typescript#settingsource) or [`setting_sources`](/docs/en/agent-sdk/python#settingsource) entry is enabled, which it is for default `q… Hosting the Agent SDK Claude Code CLI · in the page agent-sdk/hosting …cess owns the shell, the working directory, and the JSONL session transcripts on local disk. , your callback isn't called at this st… Plugins in the SDK Claude Code CLI · in the page agent-sdk/plugins …ugin structure reference](#plugin-structure-reference) below. ```typescript TypeScript theme={null} import { query } from "@anthropic-ai/claude-agent-sdk"; for await (const message of query({ prom… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …> AsyncIterator[Message] ``` #### Parameters | Parameter | Type | Description | | :- | :- | :- | | `prompt` | `str \| AsyncIterable[dict]` | The input prompt as a string or async iterable for stream… Quickstart Claude Code CLI · in the page agent-sdk/quickstart # Quickstart > Get started with the Python or TypeScript Agent SDK to build AI agents that work autonomously Use the Agent SDK to build an AI agent that reads your code, finds bugs, and fixes them,…