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Best practices for Claude Code Claude Code CLI · in the page best-practices …nstructions or making more mistakes. The context window is the most important resource to manage. To see how a session fills up in practice, [watch an interactive walkthrough](/docs/en/context-window.… Champion kit Claude Code CLI · in the page champion-kit …easy for others to follow. The work you do as a champion has a disproportionate effect: every example you share shortens the learning curve for the engineers who come after you, and every question yo… Claude Code changelog Claude Code CLI · in the page changelog …aude-api skill to check the live docs before saying a feature is unsupported * Self-hosted runner: Improved sessions that move to a new runner: Claude now sees the tool call that was interrupted, mark… Push events into a running session with channels Claude Code CLI · in the page channels …see the [Channels reference](/docs/en/channels-reference.md). ## Supported channels Each supported channel is a plugin that requires [Bun](https://bun.sh). For a hands-on demo of the plugin flow be… Channels reference Claude Code CLI · in the page channels-reference …* **Webhooks** (CI, monitoring): your server listens on a local HTTP port. External systems POST to that port, and your server pushes the payload to Claude.  covers every option in the… Claude apps gateway configuration Claude Code CLI · in the page claude-apps-gateway-config …listen` block controls where the gateway serves: the bind address and port, the externally visible origin, and optional TLS termination. | Field | Required | Description | | - | - | - | | `host` | No… Claude apps gateway deployment and operations Claude Code CLI · in the page claude-apps-gateway-deploy …k issuer additionally requires `CLAUDE_GATEWAY_ALLOW_LOOPBACK=1` * Supports the authorization-code flow. PKCE (Proof Key for Code Exchange) is on by default; disable it with `oidc.use_pkce: false` for… Deploy Claude apps gateway on AWS Claude Code CLI · in the page claude-apps-gateway-on-aws …working example for customer-managed infrastructure rather than a supported production deployment; use it to see how the pieces fit together before adapting it to your own environment. For the platfo… Deploy Claude apps gateway on Google Cloud Claude Code CLI · in the page claude-apps-gateway-on-gcp …working example for customer-managed infrastructure rather than a supported production deployment; use it to see how the pieces fit together before adapting it to your own environment. For the platfo… Claude apps gateway spend limits Claude Code CLI · in the page claude-apps-gateway-spend-limits …an an invoice; for billing, reconcile against your provider's usage reporting. The meter picks each request's rates in this order: 1. A matching [`pricing.overrides`](/docs/en/claude-apps-gateway-co… Use Claude Code in the cloud Claude Code CLI · in the page claude-code-on-the-web …phone, Desktop app, or terminal, move them with `--cloud` and `--teleport`, and auto-fix pull requests. > [!NOTE] > > Cloud sessions are available on Pro, Max, and Team plans, and for Enterprise use… Explore the .claude directory Claude Code CLI · in the page claude-directory …de directory in your project and ~/.claude in your home directory. export const ClaudeExplorer = () => { const A = useMemo(() => ({href, children}) => <a href={href} style={{ color: 'var(--ce-a… Claude Code on Claude Platform on AWS Claude Code CLI · in the page claude-platform-on-aws …gin flow. ## Setup ### 1. Configure AWS credentials Claude Code supports two authentication methods for Claude Platform on AWS. Choose the method that fits how your team manages access: * [AWS cre… Let Claude coordinate ongoing work with Projects Claude Code CLI · in the page claude-projects …a project, you instead: * **Send work to one place**: paste a bug report, a stack trace, or a list of tasks into the conversation whenever one comes up. Claude starts a thread for each piece of work… Scan your codebase for vulnerabilities Claude Code CLI · in the page claude-security …ilities, and independently reviews every finding before writing the report. Use the plugin to scan a whole repository or [only a set of changes](#scan-only-your-changes), such as a branch's diff, a pu… claude-tag Claude Code CLI · in the page claude-tag …e" data-current-path="/"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover"/><link rel="preload" href="/docs/_next/static/media/83afe2… CLI reference Claude Code CLI · in the page cli-reference …ude doctor` | | `claude import [source]` | Start an interactive session that runs [`/import`](/docs/en/commands#all-commands) to bring configuration… Configure cloud environments Claude Code CLI · in the page cloud-environments …ise users with [premium seats or Chat + Claude Code seats](https://support.claude.com/en/articles/11845131-use-claude-code-with-your-team-or-enterprise-plan). Each [cloud session](/docs/en/claude-cod… Code Review Claude Code CLI · in the page code-review …rity level: | Marker | Severity | Meaning | | :- | :- | :- | | 🔴 | Important | A bug that should be fixed before merging | | 🟡 | Nit | A minor issue, worth fixing but not blocking | | 🟣 | Pre-existin… Code Review costs and usage Claude Code CLI · in the page code-review-costs …de Review is billed on token usage through [usage credits](https://support.claude.com/en/articles/12429409-extra-usage-for-paid-claude-plans), separately from your plan's included usage. Reviews are b… Customize Code Review Claude Code CLI · in the page code-review-customize …ic checks. ```markdown theme={null} # Review instructions ## What Important means here Reserve Important for findings that would break behavior, leak data, or block a rollback: incorrect logic, uns… Review locally with /code-review Claude Code CLI · in the page code-review-local …reviews the changes on your branch, looks for correctness bugs, and reports what it found in your conversation. Depending on your model and effort level, the review also covers reuse, simplification,… Read and request reviews on a pull request Claude Code CLI · in the page code-review-pull-requests …ity levels: | Marker | Severity | Meaning | | :- | :- | :- | | 🔴 | Important | A bug that should be fixed before merging | | 🟡 | Nit | A minor issue, worth fixing but not blocking | | 🟣 | Pre-existin… Troubleshoot Code Review Claude Code CLI · in the page code-review-troubleshooting …ll open** | An automatic review didn't run on your latest push, and Important findings from the earlier review are still open | Push a fix, or to get a review anyway, comment `@claude review`. See [Wh… Commands Claude Code CLI · in the page commands …copies it into a new [background session](/docs/en/agent-view). `/teleport` pulls a cloud session into this terminal, and `/remote-control` lets you continue this local session from another device. *… Common workflows Claude Code CLI · in the page common-workflows …ou need to update old code to use modern patterns and practices. For porting an entire codebase to a new language, see [how Anthropic runs large-scale code migrations with Claude Code](https://claude… Communications kit Claude Code CLI · in the page communications-kit …out. Each item closes a gap that otherwise turns into a launch-day support thread. | Item | Why it matters | | - | - | | `#claude-code` channel created and linked in the message | Gives questions one… Let Claude use your computer from the CLI Claude Code CLI · in the page computer-use …boundary is different. See the [computer use safety guide](https://support.claude.com/en/articles/14128542) for best practices. The built-in guardrails reduce risk without requiring configuration: *… Explore the context window Claude Code CLI · in the page context-window …tically, what each file read costs, and when rules and hooks fire. export const ContextWindow = () => { const MAX = 200000; const STARTUP_END = 0.2; {} const EVENTS = useMemo(() => [{}, {… Run Claude Code behind a corporate launcher Claude Code CLI · in the page corporate-launcher …arlier versions ignore it as an unknown key, apply no launcher, and report no error. > > After deploying either form, use the [Verify step](#set-up-the-launcher) to confirm the running version applies… Manage costs effectively Claude Code CLI · in the page costs …its in other Claude products, see the [Claude Help Center](https://support.claude.com). ## Track your costs ### Using the `/usage` command > [!NOTE] > > The Session block in `/usage` shows API toke… Message your other Claude Code sessions Claude Code CLI · in the page cross-session-messaging …**Get status from long-running work**: have a migration or test run report back to the session you're watching, or ask it yourself from there. If that session is on this machine, Claude can also [ask… Data usage Claude Code CLI · in the page data-usage …improvement (for example, the [Developer Partner Program](https://support.claude.com/en/articles/11174108-about-the-development-partner-program)). ### Development Partner Program If you explicitly… Debug your configuration Claude Code CLI · in the page debug-your-config …versation does, unless it has [`omitClaudeMd`](/docs/en/sub-agents#supported-frontmatter-fields) set in its definition | For Explore or Plan, restate the instruction in your delegating prompt. For a s… Launch sessions from links Claude Code CLI · in the page deep-links …s), and [manage or disable handler registration](#registration-and-supported-platforms) on each platform. ## How deep links work The `claude-cli://` prefix is a custom URL scheme that Claude Code re… Desktop application Claude Code CLI · in the page desktop …st-then-plan-then-code) for more on this workflow. Cloud sessions support Accept edits, Plan, and Auto. Accept edits corresponds to `default` mode: cloud sessions pre-approve file edits, so the selec… Claude Desktop on Linux (beta) Claude Code CLI · in the page desktop-linux …e the Claude desktop app on Ubuntu and Debian > [!NOTE] > > Linux support for the Claude desktop app is in beta. The desktop app on Linux gives you the same Chat, Cowork, and Claude Code experience… Get started with the desktop app Claude Code CLI · in the page desktop-quickstart …> * **Using chat or Cowork**: see the [Claude Help Center](https://support.claude.com/) > * **Need more on installing or deploying the desktop app**: see the [Claude Desktop support articles](https://… Claude Code Desktop in WSL Claude Code CLI · in the page desktop-wsl …L 2](https://learn.microsoft.com/windows/wsl/install). WSL 1 isn't supported. * At least one installed distribution (for example, Ubuntu). * `git` installed inside the distribution. ## Start a WSL se… Development containers Claude Code CLI · in the page devcontainer …chine or on a cloud host such as GitHub Codespaces. An editor that supports the Dev Containers spec, such as VS Code, GitHub Codespaces, a JetBrains IDE, or Cursor, connects to that container: you bro… Environment variables Claude Code CLI · in the page env-vars …abs> <Tab title="macOS, Linux, WSL"> ```bash theme={null} export API_TIMEOUT_MS="1200000" claude ``` To set it for every session, add the `export` line to `~/.bashrc`, `~/.zshrc… Error reference Claude Code CLI · in the page errors …-available-with-the-claude-pro-plan) | | `Claude Code ... does not support this model; version ... or newer is required` | [Request errors](#claude-code-does-not-support-this-model) | | `Claude Code .… Speed up responses with fast mode Claude Code CLI · in the page fast-mode …tical quality and capabilities with faster responses. Fast mode is supported on Opus 5.5, Opus 5, and Opus 4.8. It is not available on Sonnet, Haiku, or other models. Opus 4.7 doesn't support fast mo… Feature availability Claude Code CLI · in the page feature-availability …eans not available, and "See note" links to a footnote for partial support. A qualifier after ✓ narrows availability to that subset, and "Admin-enabled" means the feature is off until an organization… Extend Claude Code Claude Code CLI · in the page features-overview …matically | On demand | | **Can include files** | Yes, with `@path` imports | Yes, with `@path` imports | | **Can trigger workflows** | No | Yes, with `/<name>` | | **Best for** | "Always do X" rules… Fullscreen rendering Claude Code CLI · in the page fullscreen …ering > Enable a smoother, flicker-free rendering mode with mouse support and stable memory usage in long conversations. > [!NOTE] > > Fullscreen rendering is a [research preview](#research-preview)… Run Claude Code through a gateway Claude Code CLI · in the page gateways …'t endorse, maintain, or audit other gateway products, and doesn't support routing Claude Code to non-Claude models through any gateway. See [Other LLM gateways](/docs/en/llm-gateway) for the admin ro… Claude Code GitHub Actions Claude Code CLI · in the page github-actions …ter 60 days without repository activity. This workflow generates a report in the workflow run log at 09:00 UTC each day. Its `claude_args` line [passes CLI arguments](#pass-cli-arguments) that select…