878 pages for check.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Choose a sandbox environment
Claude Code CLI · in the page
sandbox-environments
…: `/private/tmp`. `/tmp` is a symlink to that directory, and Seatbelt checks the resolved path. Allow the network domains your session needs: * `api.anthropic.com`, or your configured provider's end…
Configure the sandboxed Bash tool
Claude Code CLI · in the page
sandboxing
…direct route out. Connections go through a proxy on your machine that checks each host against your allowed domains, which start empty. Your permission mode decides [what happens to other hosts](#host…
Run prompts on a schedule
Claude Code CLI · in the page
scheduled-tasks
…n a Claude Code session. Use them to poll a deployment, babysit a PR, check back on a long-running build, or remind yourself to do something later in the session. > [!NOTE] > > These cases are covere…
Security
Claude Code CLI · in the page
security
…ers. Project-scoped servers are defined in `.mcp.json`, which you can check into source control. Servers at [other scopes](https://code.claude.com/docs/en/mcp.md#mcp-installation-scopes) and [claude.a…
Catch security issues as Claude writes code
Claude Code CLI · in the page
security-guidance
…it state and skip silently outside a repository. The per-edit pattern check works anywhere On first run the plugin creates a virtual environment under `~/.claude/security/` and installs the Claude Ag…
Self-hosted environments
Claude Code CLI · in the page
self-hosted-environments
…t a time and locks to that owner when it claims its first session, so checked-out code never mixes between owners; [Runner lifecycle](#runner-lifecycle) covers the rule. You can start runners yoursel…
Customize sessions in self-hosted environments
Claude Code CLI · in the page
self-hosted-environments-configuration
…ults don't fit, from per-session credential provisioning to replacing checkout entirely. Wrappers and hooks run as executable files on the runner host, which is Linux or macOS, and the examples on thi…
Deploy self-hosted environments to production
Claude Code CLI · in the page
self-hosted-environments-deploy
…cate to your git host, the deployment recipes themselves, and what to check when sessions misbehave. ## Harden your deployment A self-hosted runner executes arbitrary, model-directed code on your in…
Verify session identity in self-hosted environments
Claude Code CLI · in the page
self-hosted-environments-identity
…every five minutes is safe. Verify each incoming token against these checks: **1. Check the prefix** Reject the value if it doesn't start with `sk-ant-cc-`, then remove that prefix. The remainder i…
Self-hosted environments quickstart
Claude Code CLI · in the page
self-hosted-environments-quickstart
…ll move between two surfaces: claude.ai for creating the environment, checking its status, and routing a session, and a terminal on the host for everything the runner does. By the end you'll have an…
Self-hosted environments reference
Claude Code CLI · in the page
self-hosted-environments-reference
…_BASE_DIR` | `/workspace`; none on Windows | Directory for repository checkouts and per-session working directories. The runner needs write access to this path or its parent. The runner creates the di…
Test self-hosted environments end to end
Claude Code CLI · in the page
self-hosted-environments-testing
…nt <environment-id> --output-format json`. Run the command from a git checkout so the CLI can auto-detect the repository from the `origin` remote. The optional `--ref <branch>` bases the session's che…
Configure server-managed settings
Claude Code CLI · in the page
server-managed-settings
…d settings on their next startup or hourly polling cycle. The editor checks your JSON against the published JSON schema for Claude Code settings. If it finds a problem in JSON that parses, it shows a…
Manage sessions
Claude Code CLI · in the page
sessions
…rompt you pass on the command line, as in `claude --resume <session> "check the tests too"`, goes to the session as its next turn first, and Claude Code prints `Sent your prompt to the background sess…
Claude Code settings
Claude Code CLI · in the page
settings
…project directory: * `.claude/settings.json` for settings that are checked into source control and shared with your team * `.claude/settings.local.json` for settings that are not checked in, usef…
All settings
Claude Code CLI · in the page
settings-reference
…ig-settings) it keeps in `~/.claude.json` instead. To pick a file, or check precedence, start with [Settings files and precedence](https://code.claude.com/docs/en/settings.md). ## Settings index Eve…
Advanced setup
Claude Code CLI · in the page
setup
…ode.claude.com/docs/en/troubleshoot-install.md). For a more detailed check of your installation and configuration, run [`claude doctor`](https://code.claude.com/docs/en/troubleshooting#get-more-help)…
Extend Claude with skills
Claude Code CLI · in the page
skills
…l-name`. Create a skill when you keep pasting the same instructions, checklist, or multi-step procedure into chat, or when a section of CLAUDE.md has grown into a procedure rather than a fact. Unlike…
Claude Code in Slack
Claude Code CLI · in the page
slack
…1. Verify your Claude account is connected in the Claude App Home 2. Check that cloud sessions are enabled for your account 3. Ensure you have at least one GitHub repository connected to Claude Code…
Customize your status line
Claude Code CLI · in the page
statusline
…ore entering the worktree | | `worktree.original_branch` | Git branch checked out before entering the worktree. Absent for hook-based worktrees | > [accordion] Full JSON schema > > Your status line c…
Create custom subagents
Claude Code CLI · in the page
sub-agents
…* (`.claude/agents/`) are ideal for subagents specific to a codebase. Check them into version control so your team can use and improve them collaboratively. Project subagents are discovered by walkin…
Configure your terminal for Claude Code
Claude Code CLI · in the page
terminal-config
…. > [tab] Apple Terminal > > Open Settings → Profiles → Keyboard and check "Use Option as Meta Key". > > If you accepted Claude Code's first-run terminal setup prompt, this is already done. That prom…
Enterprise deployment overview
Claude Code CLI · in the page
third-party-integrations
…maller bug fixes or feature requests. Ask Claude Code to make a plan. Check Claude's suggestions and give feedback if it's off-track. Over time, as users understand this new paradigm better, then they…
Tools reference
Claude Code CLI · in the page
tools-reference
…odels when you opt in | No | | `TodoWrite` | Manages the session task checklist. Disabled by default in favor of `TaskCreate`, `TaskGet`, `TaskList`, and `TaskUpdate`. Set `CLAUDE_CODE_ENABLE_TASKS=0`…
Troubleshoot installation and login
Claude Code CLI · in the page
troubleshoot-install
…not find files for the given pattern(s).` from `where.exe claude` | [Check whether Claude Code is installed](#check-for-conflicting-installations) | | `zsh: permission denied: /Users/you/.zshrc` or `…
Troubleshooting
Claude Code CLI · in the page
troubleshooting
…sure which applies, run `/doctor` inside Claude Code for an automated check of your installation, settings, extensions, and context usage; it proposes fixes it can apply after you confirm. If `claude`…
Find bugs with ultrareview
Claude Code CLI · in the page
ultrareview
…-local-repositories-without-github), which cover the size limits, the checkout requirements, and what happens to uncommitted changes in files named like credentials or keys, such as `.env` and `*.tfva…
Voice dictation
Claude Code CLI · in the page
voice-dictation
…o enable dictation. When you enable it, Claude Code runs a microphone check. On macOS, this triggers the system microphone permission prompt for your terminal if it has never been granted. ``` /voice…
Use Claude Code in VS Code
Claude Code CLI · in the page
vs-code
…r Claude account instead. After you sign in, a **Learn Claude Code** checklist appears. Work through each item by clicking **Show me**, or dismiss it with the X. To reopen it later, uncheck **Hide On…
Get started with Claude Code in the cloud
Claude Code CLI · in the page
web-quickstart
…y**: Claude clones the repo fresh every session, so you don't need it checked out * **Tasks that don't need frequent steering**: submit a well-defined task, do something else, and review the result wh…
Orchestrate subagents at scale with dynamic workflows
Claude Code CLI · in the page
workflows
…can rerun. Use them for codebase audits, large migrations, and cross-checked research. > [!NOTE] > > Dynamic workflows are available on all paid plans, with Anthropic API access, and on Amazon Bedro…
Run parallel sessions with worktrees
Claude Code CLI · in the page
worktrees
…d branch, sharing the same repository history and remote as your main checkout. Running each Claude Code session in its own worktree gives it a separate copy of the files to edit, so one session can b…
Build for Claude
Claude Documentation · in the page
build/overview
…s and connectors, so that anyone on a paid plan can add it. Anthropic checks each submission before it's listed, and there's no partner program to apply to first. ## Choose a starting page > [card]…
Admin controls
Claude Documentation · in the page
claude-science/admin-controls
…kes the product usually builds and runs its connector, not Anthropic. Check the [Connectors Directory](https://claude.com/docs/connectors/directory.md) first. If the company offers a connector that is…
Auto mode
Claude Documentation · in the page
claude-science/auto-mode
…ep. Instead, Claude Science reviews these actions for safety (such as checking for data exfiltration or [prompt injection](https://support.claude.com/en/articles/13364135-use-claude-cowork-safely)) an…
Claude Science changelog
Claude Documentation · in the page
claude-science/changelog
…= false` under `[update]`, Claude Science in its own window no longer checks for updates in the background. You can still check with **Claude Science > Check for App Updates…** in the menu bar * Linux…
Command line settings
Claude Documentation · in the page
claude-science/command-line-settings
…ience stop` | Stop the program cleanly. | | `claude-science update` | Check for and install an update. `--check` only reports; `--to <build>` installs a specific build, which is also how you roll back…
Compute providers
Claude Documentation · in the page
claude-science/compute-providers
…modal token new`), the app reads `~/.modal.toml` automatically; click Check again after the file exists. Alternatively, paste a **Token ID** and **Token secret** in Settings > Credentials, under Modal…
Configuration file reference
Claude Documentation · in the page
claude-science/configuration-file-reference
…rust for sign-in, the Claude API, Anthropic-hosted connectors, update checks, and [cloud storage](https://claude.com/docs/claude-science/cloud-storage.md) access from Settings (Amazon S3, S3-compatibl…
Connectors and skills
Claude Documentation · in the page
claude-science/connectors-and-skills
…rt from GitHub don't update automatically, and Claude Science doesn't check for changes on its own. To check, go to **Settings > Skills**, scroll to **Imported**, open the three-dot menu next to the r…
Core concepts
Claude Documentation · in the page
claude-science/core-concepts
…his project, or Global | | Work in a write-access folder too large to check for credential files (Linux) | This folder is too large to check fully / This folder changed past what was checked | Asked o…
Use Claude Science on a corporate network
Claude Documentation · in the page
claude-science/corporate-networks
…ections (sign-in, the Claude API, Anthropic-hosted connectors, update checks) traverse your outbound proxy and TLS inspection. * The analysis sandbox's connections (package hosts and research database…
A first finite-element model: a clamped steel ruler bends and vibrates
Claude Documentation · in the page
claude-science/example-gallery/eng-beam
…plit a 300 mm steel ruler clamped at one end into 4 beam elements and check its bending under 1 N and its first 3 vibration modes against beam theory. ![Three plots: the ruler bent under 1 N, tip 0.8…
A first X-ray diffraction pattern: why silicon shows 6 peaks and salt 9
Claude Documentation · in the page
claude-science/example-gallery/mat-xrd
…needs downloading. Label every peak with its Miller indices hkl, and check each angle by hand with Bragg's law, λ = 2d sin θ, where d = a/√(h²+k²+l²). Both crystals share a face-centered cubic lattic…
The Ulam spiral: are the primes' diagonal streaks real?
Claude Documentation · in the page
claude-science/example-gallery/math-ulam
…l primes up to 40,401 (= 201 × 201) with a sieve of Eratosthenes, and check that 1,229 of them are below 10,000. Write 1, 2, 3, … in a square spiral starting from the center, and mark the primes. Are…
The double slit, one electron at a time
Claude Documentation · in the page
claude-science/example-gallery/phys-doubleslit
…tivity), 2 slits 0.1 µm wide and 0.5 µm apart, and a screen 1 m away (check that d²/λL ≈ 0.05, so the simple far-field formula holds). Compute the probability of landing at each position on the screen…
Schelling's segregation model: ask for 30% same-color neighbors, end up with 75%
Claude Documentation · in the page
claude-science/example-gallery/soc-schelling-small
…{null} In 1971 the economist Thomas Schelling showed, with chips on a checkerboard, that a city can segregate sharply even when nobody asks for more than an even mix. Recreate the textbook computer ve…
Get started
Claude Documentation · in the page
claude-science/get-started
…pp-window.md). > > * **If it opens in a browser tab**: Claude Science checks for updates in the background and shows **Update available** when one is ready. Choose **Restart to update** to install it.…
Glossary
Claude Documentation · in the page
claude-science/glossary
…e independent agent that re-examines Claude's claims and artifacts at checkpoints, recording each issue it raises as a finding on the artifact's Review tab; on some plans it runs in the background aut…
Claude Science in its own window on macOS
Claude Documentation · in the page
claude-science/mac-app-window
…such as one that your organization's device management installed. To check whether yours has switched, open Claude Science from your **Applications** folder after the update. If it still opens in a b…