888 pages for tools.

Error reference Claude Code CLI · in the page errors …uest errors](#extra-inputs-are-not-permitted) | | `API Error: 400 ... tools.N.custom.input_schema: JSON schema is invalid` / `Property keys should match pattern` | [Request errors](#tool-input-schema-… Feature availability Claude Code CLI · in the page feature-availability …</tr> </thead> <tbody> <tr> <td>[Web search](/docs/en/tools-reference#websearch-tool-behavior)</td> <td>✓</td> <td>✓</td> <td>✗</td> <td>✓</td> <td>See no… Extend Claude Code Claude Code CLI · in the page features-overview …ude Code combines a model that reasons about your code with [built-in tools](/docs/en/how-claude-code-works#tools) for file operations, search, execution, and web access. The built-in tools cover most… Fullscreen rendering Claude Code CLI · in the page fullscreen …/model-config#setting-your-model) * Rules you passed with [`--allowed-tools` or `--disallowed-tools`](/docs/en/cli-reference#cli-flags), and your `--agent`, `--agents`, `--append-system-prompt`, and `… Claude Code GitHub Actions Claude Code CLI · in the page github-actions …github.event.pull_request.number }}" claude_args: '--allowedTools "mcp__github_inline_comment__create_inline_comment"' ``` Two lines in this workflow control where the review goes: * **`--… Claude Code with GitHub Enterprise Server Claude Code CLI · in the page github-enterprise-server …: ```json theme={null} { "extraKnownMarketplaces": { "internal-tools": { "source": { "source": "git", "url": "https://github.example.com/platform/claude-plugins.git"… Claude Code GitLab CI/CD Claude Code CLI · in the page gitlab-ci-cd …quested changes'}" --permission-mode acceptEdits --allowedTools "Bash Read Edit Write mcp__gitlab" --debug ``` After adding the job and your `ANTHROPIC_API_KEY` variable, test by ru… Glossary Claude Code CLI · in the page glossary …from a `CLAUDE.md`](/docs/en/memory#share-one-file-with-other-coding-tools) there instead. Learn more: [AGENTS.md](/docs/en/memory#agents-md) ### Agent teams Multiple independent Claude Code sessi… Keep Claude working toward a goal Claude Code CLI · in the page goal …n whichever provider your session is configured for. It does not call tools, so it can only judge what Claude has already surfaced in the conversation. <Note> Evaluation tokens are billed on the sm… Run Claude Code programmatically Claude Code CLI · in the page headless …ipt. The [Agent SDK](/docs/en/agent-sdk/overview) gives you the same tools, agent loop, and context management that power Claude Code. It's available as a CLI for scripts and CI/CD, or as [Python](/d… Hooks reference Claude Code CLI · in the page hooks …: `PreToolUse` and `PostToolUse`, except [`EndConversation`](/docs/en/tools-reference#endconversation-tool-behavior) calls, which skip both <div style={{maxWidth: "500px", margin: "0 auto"}}> <Fram… Automate actions with hooks Claude Code CLI · in the page hooks-guide …tomate repetitive tasks, and integrate Claude Code with your existing tools. For decisions that require judgment rather than deterministic rules, you can also use [prompt-based hooks](#prompt-based-h… How Claude Code works Claude Code CLI · in the page how-claude-code-works # How Claude Code works > Understand the agentic loop, built-in tools, and how Claude Code interacts with your project. Claude Code is an agentic assistant that runs in your terminal. While it excel… Interactive mode Claude Code CLI · in the page interactive-mode …inal's native scrollback so `Cmd+F`, tmux copy mode, and other native tools can search it. Requires [fullscreen rendering](/docs/en/fullscreen#search-and-review-the-conversation) | | `v` | Write the c… JetBrains IDEs Claude Code CLI · in the page jetbrains …n settings Configure the Claude Code plugin by going to **Settings → Tools → Claude Code \[Beta]**: #### General settings * **Claude command**: specify a custom command to run Claude, for example `… Set up Claude Code in a monorepo or large codebase Claude Code CLI · in the page large-codebases …endor/**/*)" ] } } ``` Deny rules cover Claude's built-in file tools. In Bash, they cover the file commands Claude Code recognizes, such as `cat`, `head`, `grep`, and `find`, when a denied path… Claude Code gateway compatibility guide Claude Code CLI · in the page llm-gateway-protocol …mpt never carry it. Don't read a missing header as a turn that ran no tools * Times: each one excludes permission prompts and hooks, and parallel tool calls each report their own time, so the entries… Control MCP server access for your organization Claude Code CLI · in the page managed-mcp …configures. * A [Claude Tag](/docs/en/claude-tag) session's Slack tools: the servers it uses to read the thread and post its replies load without an allowlist entry. A `managed-mcp.json` serve… Deploy managed settings Claude Code CLI · in the page managed-settings …rmission rules from user, project, and local files and from `--allowedTools`: ```json managed-settings.json theme={null} { "permissions": { "deny": [ "Read(./.env)",… Connect to MCP servers Claude Code CLI · in the page mcp-quickstart …)](https://modelcontextprotocol.io/introduction) lets Claude Code use tools beyond its built-in set, such as searching an issue tracker, querying a database, or controlling a web browser. These tools… How Claude remembers your project Claude Code CLI · in the page memory …on management system"> Use MDM, Group Policy, Ansible, or similar tools to distribute the file across developer machines. See [managed settings](/docs/en/managed-settings) for other organization-w… Claude Code on mobile Claude Code CLI · in the page mobile …sion running on your computer | The work needs your local filesystem, tools, or MCP servers. | | [Dispatch](/docs/en/desktop#sessions-from-dispatch) | The Desktop app on your computer | You want to me… Monitoring Claude Code CLI · in the page monitoring-usage …, except tool names matching a few fixed shapes, such as `playwright` tools named `browser_*`, which pass verbatim. Requires Claude Code v2.1.268 or later | | | `bash_command_class` | For the Bash too… Output styles Claude Code CLI · in the page output-styles …ing an instruction | | A helper with its own instructions, model, and tools for a focused task | A [subagent](/docs/en/sub-agents) | It runs in a separate context with its own system prompt and return… Overview Claude Code CLI · in the page overview …ase, edits files, runs commands, and integrates with your development tools. Available in your terminal, IDE, desktop app, and browser. Claude Code is an AI-powered coding assistant that helps you bu… Choose a permission mode Claude Code CLI · in the page permission-modes …sks, reducing prompt fatigue | | [`dontAsk`](#allow-only-pre-approved-tools-with-dontask-mode) | Reads and pre-approved tools; anything that would prompt is denied | Locked-down CI and scripts | | [`b… Configure permissions Claude Code CLI · in the page permissions …except a built-in set of [preapproved documentation domains](/docs/en/tools-reference#webfetch-tool-behavior) | Permanently per repository and domain | | Web search | WebSearch | Yes | Permanently per… Platforms and integrations Claude Code CLI · in the page platforms …e helps you pick the right platform for your workflow and connect the tools you already use. ## Where to run Claude Code Choose a platform based on how you like to work and where your project lives.… Test plugins with evals Claude Code CLI · in the page plugin-evals …Each case is its own subdirectory with a [prompt](#set-run-limits-and-tools-in-prompt-md) and one or more [graders](#grade-the-result). The prompt is something a person using your plugin might type, s… Recommend your plugin from your CLI Claude Code CLI · in the page plugins/cli-hints …CLAUDECODE=1` in the commands it runs through the Bash and PowerShell tools and in hook commands. On v2.1.172 and later it also sets `CLAUDE_CODE_CHILD_SESSION=1` there. The variables differ in which… Plugin commands reference Claude Code CLI · in the page plugins/cli-reference …etplace` * `name@skills-dir` Put the target before `--tag`, `--allow-tools`, and `--json`. Each of these options takes the words that follow it as its value, so a target written after one of them is… Code intelligence plugins Claude Code CLI · in the page plugins/code-intelligence …ool and how permissions apply to it, see [LSP tool behavior](/docs/en/tools-reference#lsp-tool-behavior). ### Read the diagnostics yourself After Claude edits a file the server handles, the conversa… Add components to a plugin Claude Code CLI · in the page plugins/components …ion": "1.0.0", "description": "Review, formatting, and database tools for this team" } ``` </Piece> <Piece id="skills"> A [skill](/docs/en/skills) is a `SKILL.md` file. Save eac… Create a marketplace Claude Code CLI · in the page plugins/create-marketplace …epo | `{ "source": "git-subdir", "url": "your-org/monorepo", "path": "tools/my-first-plugin" }` | In a `git-subdir` source, `url` takes a git URL or an `owner/repo` GitHub shorthand. A plugin can al… Host and maintain a marketplace Claude Code CLI · in the page plugins/host-marketplace …e registered at once. With these two catalogs, users who add `stable-tools` install `code-formatter` from the `stable` branch, and users who add `latest-tools` install it from `latest`: ```json them… Plugin manifest reference Claude Code CLI · in the page plugins/manifest-reference …tains each referenced path. ```json theme={null} { "name": "deploy-tools", "displayName": "Deploy Tools", "version": "1.2.0", "description": "Deployment commands, a review agent, and a status… Marketplace reference Claude Code CLI · in the page plugins/marketplace-reference …, "url": "https://github.com/your-org/monorepo.git", "path": "tools/formatter" } } ``` ### npm plugin source An `npm` source takes these fields: * `package`: a package name, or a scoped n… Measure plugin cost and usage Claude Code CLI · in the page plugins/measure …(harness-only — no model context cost) MCP servers (1) formatter-tools (tool schemas resolved at runtime; not counted) LSP servers (0) Projected token cost Always-on: ~146 tok added to… Manage Claude Code plugins for your organization Claude Code CLI · in the page plugins/org …y name. Claude Code ignores entries such as `*/plugins` and `your-org/tools-*` as invalid, so they match nothing. Requires Claude Code v2.1.223 or later. * **`git`**: `{ "source": "git", "url": "https… Plugins overview Claude Code CLI · in the page plugins/overview …lifecycle events; and .mcp.json adds an MCP server that gives Claude tools." width="760" height="336" data-path="images/plugin-directory.svg" /> <img src="https://mintcdn.com/claude-code/2Q_GtOEovg5… Plugin security and trust Claude Code CLI · in the page plugins/security …page if you're deciding whether to install a plugin, or if you review tools before your team can use them. <Note> These cases are covered on other pages: * **Claude Code's own security model**:… Troubleshoot plugins Claude Code CLI · in the page plugins/troubleshooting …full message looks like this: ```text theme={null} Marketplace "acme-tools" is already added from a different source (github:acme/plugins). To use this source instead, remove that marketplace first w… How Claude Code uses prompt caching Claude Code CLI · in the page prompt-caching …ch](/docs/en/mcp#scale-with-mcp-tool-search) defers the session's MCP tools, the default on supported models: * **Tools deferred**: Claude Code keeps the tool list from the conversation's first reque… Quickstart Claude Code CLI · in the page quickstart …/en/how-claude-code-works"> Understand the agentic loop, built-in tools, and how Claude Code interacts with your project </Card> <Card title="Best practices" icon="star" href="/docs/en/best-p… Continue local sessions from any device with Remote Control Claude Code CLI · in the page remote-control …environment remotely**: your filesystem, [MCP servers](/docs/en/mcp), tools, and project configuration all stay available, and typing `@` autocompletes file paths from your local project. * **Work fro… Automate work with routines Claude Code CLI · in the page routines …ver get a credential * **Setup script**: install dependencies and tools the routine needs. The result is [cached](/docs/en/cloud-environments#environment-caching), so the script doesn't re-run on… Choose a sandbox environment Claude Code CLI · in the page sandbox-environments …me](#sandbox-runtime) | The whole Claude Code process, including file tools, MCP servers, and hooks | No | Low | | [Dev container](#dev-containers) | Full development environment | Yes | Medium | | [C… Configure the sandboxed Bash tool Claude Code CLI · in the page sandboxing …nts](/docs/en/sandbox-environments). To reduce permission prompts for tools other than Bash, see [permission modes](/docs/en/permission-modes). </Note> ## Get started The sandbox is built into Claud… Run prompts on a schedule Claude Code CLI · in the page scheduled-tasks # Run prompts on a schedule > Use /loop and the cron scheduling tools to run prompts repeatedly, poll for status, or set one-time reminders within a Claude Code session. Scheduled tasks let Claude r… Security Claude Code CLI · in the page security …ore reading paths outside this boundary with the Read, Grep, and Glob tools. Extend the boundary with [additional directories](/docs/en/permissions#working-directories) to skip the prompt, or restrict…