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All settings Claude Code CLI · in the page settings-reference …w) sources for your organization | Plugins and skills | Managed | | [`browserExternalPageTools`](#browserexternalpagetools) | Keep Claude's tools off external pages in the [desktop](/docs/en/desktop)… Advanced setup Claude Code CLI · in the page setup …dry). After installing, log in by running `claude` and following the browser prompts. If you've set the `ANTHROPIC_API_KEY` environment variable and you approve the key when Claude Code asks whether… Extend Claude with skills Claude Code CLI · in the page skills …etup. They infer the launch from your project type (CLI, server, TUI, browser-driven) and from what's in your README, `package.json`, or `Makefile`. That inference gets unreliable for projects that ne… Claude Code in Slack Claude Code CLI · in the page slack …with your Claude account 4. Complete the authentication flow in your browser **3. Configure cloud sessions** Ensure cloud sessions are properly configured for your account: * Visit [claude.ai/code… Customize your status line Claude Code CLI · in the page statusline …md (macOS) or Ctrl (Windows/Linux) and click to open the link in your browser. ![A status line showing a clickable link to a GitHub repository](https://mintcdn.com/claude-code/HDAmBwgbrZVk0pOt/images… Create custom subagents Claude Code CLI · in the page sub-agents …r already configured in your session: ```yaml theme={null} --- name: browser-tester description: Tests features in a real browser using Playwright mcpServers: # Inline definition: scoped to this su… Troubleshoot installation and login Claude Code CLI · in the page troubleshoot-install …sk your IT team for the proxy URL if you don't know it, or check your browser's proxy settings. This example sets both proxy variables, then runs the installer through your proxy: **macOS/Linux** `… Use Claude Code in VS Code Claude Code CLI · in the page vs-code …screen appears. Click **Sign in** and complete authorization in your browser. If you see **Not logged in · Please run /login** later, the extension reopens the sign-in screen automatically. If it do… Get started with Claude Code in the cloud Claude Code CLI · in the page web-quickstart …th Claude Code in the cloud > Run Claude Code in the cloud from your browser or phone. Connect a GitHub repository, submit a task, and review the PR without local setup. > [!NOTE] > > Cloud sessions… Week 15 · April 6–10, 2026 Claude Code CLI · in the page whats-new/2026-w15 …mode in the cloud from your terminal, then review the result in your browser. Claude drafts the plan in a Claude Code on the web session while your terminal stays free; when it's ready you comment on… Week 18 · April 27 – May 1, 2026 Claude Code CLI · in the page whats-new/2026-w18 …hout Git Bash, claude auth login accepts a pasted OAuth code when the browser callback can't reach localhost, claude project purge cleans up local state per project, and pasting a PR URL into /resume… Week 22 · May 25–29, 2026 Claude Code CLI · in the page whats-new/2026-w22 …ry, and with telemetry disabledClaude in Chrome: pick which connected browser to use via `/chrome` → "Select browser…", or in-chat when a browser action runs with multiple connected`claude mcp list` a… Week 24 · June 8–12, 2026 Claude Code CLI · in the page whats-new/2026-w24 …bleModels` allowlist also constrain the Default modelClaude in Chrome browser tools now load in a single batched call instead of one per tool`claude update` announces the target version before downloa… Week 27 · June 29 – July 3, 2026 Claude Code CLI · in the page whats-new/2026-w27 …view for everyone on a direct Anthropic plan. Claude Code drives your browser through the Claude in Chrome extension: it opens tabs, clicks through pages, fills forms, reads console logs, and shares y… Week 28 · July 6–10, 2026 Claude Code CLI · in the page whats-new/2026-w28 …y 6–10, 2026 > Browse external sites from the Desktop app's built-in browser, run a full setup checkup with /doctor, and pick up auto mode transcript protections and agent view upgrades. Releases [v… Week 37 · September 7–11, 2026 Claude Code CLI · in the page whats-new/2026-w37 …ompt-box) in your user, project, and local settingsClaude can pick a [browser-tab icon](/docs/en/artifacts#create-an-artifact) to match each artifact it publishesIn Claude Code on the web, take back a… What's new Claude Code CLI · in the page whats-new/index …Week 29 digest →](/docs/en/whats-new/2026-w29) **Week 28** **In-app browser on Desktop**: Claude Code on desktop gets a built-in browser, so Claude can pull up docs, designs, or any other site and i… Admin controls Claude Documentation · in the page claude-science/admin-controls …(Enterprise) | Partially supported in Claude Science | Applies to the browser sign-in a member completes to connect the app. It doesn't shorten the app's own sign-in after that, so members aren't aske… Claude Science changelog Claude Documentation · in the page claude-science/changelog …th Ctrl+F (Cmd+F on a Mac) * The Genomes connector's five UCSC Genome Browser tools and the Regulation connector's UniBind region lookup are unavailable for now * Pictures in Claude's messages that po… Command line settings Claude Documentation · in the page claude-science/command-line-settings …ude-science serve starts Claude Science and opens the web app in your browser at a single-use login link. On Linux, everyday use is that one command. The others manage the running program: they mint l… Use Claude Science on a corporate network Claude Documentation · in the page claude-science/corporate-networks …ws load display libraries from public content-delivery networks. In a browser tab, that's ordinary browser traffic governed by your endpoint's web policy. When Claude Science opens in its own window,… Get started Claude Documentation · in the page claude-science/get-started …ents, which takes a few minutes, then opens a new tab in your default browser. If no browser tab appears, click **Claude Science** in the Dock. **Updates.** Installing an update from inside Claude Sc… How Claude Science works with your data Claude Documentation · in the page claude-science/how-claude-science-works-with-your-data …. If the app can't use that service while Claude Science is open in a browser such as Chrome or Edge, it falls back to the browser's built-in speech recognition, and that browser's vendor then process… Claude Science in its own window on macOS Claude Documentation · in the page claude-science/mac-app-window …nce can now run as its own app, in its own window, rather than in the browser. If yours opens in a browser tab, installing an update from inside Claude Science, such as with **Restart to update**, can… Manage Claude Science on devices Claude Documentation · in the page claude-science/manage-on-devices …older inside the member's home folder. When Claude Science opens in a browser tab, it runs its program from a copy at `~/.claude-science/bin/claude-science`. When it opens in its own window, it runs t… Use Claude Science on more than one computer Claude Documentation · in the page claude-science/multiple-computers …x server you control and connect to it through an SSH tunnel from the browser on each computer. See [Run on a remote Linux server](/docs/claude-science/run-on-remote-linux-server). ## Access work fro… Network requirements Claude Documentation · in the page claude-science/network-requirements …sandbox's package and research domains, and the domains the member's browser loads. For the proxy and TLS-inspection settings, see [Use Claude Science on a corporate network](/docs/claude-science/cor… Run on a remote Linux server Claude Documentation · in the page claude-science/run-on-remote-linux-server …l Claude Science on a cloud VM or lab server and use it from your own browser through an SSH tunnel. Claude Science runs on a remote Linux server (a cloud VM or a lab machine) the same way it runs on… Troubleshoot Claude Science Claude Documentation · in the page claude-science/troubleshooting …ice names, then quit and reopen Claude Science. Closing the window or browser tab leaves Claude Science running, so quit it this way: * **macOS**: Control-click **Claude Science** in the Dock and cho… Update Claude Science Claude Documentation · in the page claude-science/update-claude-science …nstall-claude-science-again). The download is the app that opens in a browser tab, not the app you have. ## From a terminal or on a server Run these commands in a terminal on the computer where Clau… Connect Amplitude Claude Documentation · in the page claude-tag/admins/connections/amplitude …mplitude** at the bottom of the form. A sign-in window opens. If your browser blocks pop-ups, allow them for claude.ai and click **Sign in with Amplitude** again. Sign in to Amplitude as the dedicated… Federated agent access Claude Documentation · in the page claude-tag/admins/federated-access/overview …paste against that connection's token format. The check runs in your browser and doesn't change the connection. You verify the rest yourself with the steps on each setup page. ## Before you begin *… Troubleshoot Claude Tag setup Claude Documentation · in the page claude-tag/admins/troubleshooting …account to connect after you select **Connect Claude account** | The browser page refuses the connection, and Claude DMs you "This workspace is connected to a different Claude organization" | The Cla… Troubleshoot Claude Tag in channels and DMs Claude Documentation · in the page claude-tag/users/troubleshooting …mon cause of this page is that the claude.ai account signed in on the browser where it opened isn't a member of that organization. **How to resolve** 1. Check the address after **Signed in as**. If… Authentication for connectors Claude Documentation · in the page connectors/building/authentication …as `?token=` or `?apiKey=`. URLs end up in server logs, proxies, and browser history, and the MCP authorization specification [prohibits access tokens in the query string](https://modelcontextprotoco… Enterprise Managed Auth for connectors Claude Documentation · in the page connectors/building/enterprise-managed-auth …returns an access token in a single back-channel request. There is no browser redirect and no per-connector consent page. From the user's point of view, the connector is available as soon as their adm… Open external links from MCP Apps Claude Documentation · in the page connectors/building/mcp-apps/external-links …eme your application registers and owns. Entries that name a generic, browser-internal, or platform-reserved scheme are rejected. This includes `http`, `https`, `file`, `data`, `javascript`, `blob`, `… Add an interactive UI to your MCP server Claude Documentation · in the page connectors/building/mcp-apps/quickstart …pers that attach UI metadata to your tools and resources, and a small browser client that the UI itself loads to talk to the host. One package provides both. In your terminal, from the `mcp-quickstar… Blend your MCP App with Claude's theme Claude Documentation · in the page connectors/building/mcp-apps/transparent-theming …transparent; } ``` ### Declare `color-scheme` in your document head Browsers give iframe documents an opaque canvas backdrop, white in light mode and near-black in dark mode, when the iframe's [`col… Troubleshoot MCP Apps Claude Documentation · in the page connectors/building/mcp-apps/troubleshooting …op and the Claude iOS app both let you inspect a running MCP App with browser developer tools. ### Claude Desktop Claude Desktop's Developer Tools can help you debug MCP Apps. To use them: **1. Ena… Build a desktop extension with MCPB Claude Documentation · in the page connectors/building/mcpb …fest.json`, which Claude Desktop installs in a single click the way a browser installs an extension. The server runs on the user's machine over stdio, so it can reach local files, locally installed to… Submit a connector to the directory Claude Documentation · in the page connectors/building/submission …nnector uses the `ui/open-link` capability to open URLs in the user's browser or native apps, provide the list of link targets your server will request. Claude uses this list to suppress the **Open ex… Troubleshoot your connector Claude Documentation · in the page connectors/building/troubleshooting …treating your MCP server's origin as the authorization server, so the browser opens a sign-in page that doesn't exist on your server. These are the most common causes: * **Discovery metadata returns… Get started with connectors Claude Documentation · in the page connectors/getting-started …e service's sign-in page: * On claude.ai, the page opens in the same browser tab * In the desktop app, the page opens in your browser Sign in, review the access Claude asks for, and approve it. A c… GitHub integration Claude Documentation · in the page connectors/github/index …aste a repository URL. **4. Select files and folders** Use the file browser to select the files and folders you want Claude to read. **5. Add the files** Select **Add files**. The selected conten… Authenticate to MCP servers behind a tunnel Claude Documentation · in the page connectors/mcp-tunnels/oauth …reach your authorization server by different paths. * **The member's browser** is redirected to the authorization endpoint to sign in and approve access. This request comes from the member's device,… MCP tunnels Claude Documentation · in the page connectors/mcp-tunnels/overview …ic.com` accept connections only from Claude. You can't open them in a browser or test them with `curl` from your own network, so you verify a tunnel by using it from Claude. ## Meet the tunnel requir… Troubleshoot MCP tunnels Claude Documentation · in the page connectors/mcp-tunnels/troubleshooting …tunnel-setup ``` ### A tunnel hostname does not respond to curl or a browser A tunnel hostname that doesn't respond to curl or a browser is expected. Hostnames under `tunnel.anthropic.com` accept co… Microsoft 365 connector Claude Documentation · in the page connectors/microsoft/365 …view your organization's third-party app policies > * Try a different browser, or clear cookies and cache and sign in again > **Documents not found** > > If Claude can't find a document you know exis… Changelog Claude Documentation · in the page cowork/changelog …there, only the admin settings list applies. * (breaking) Changed the Browser pane in SSH sessions to keep sign-ins separate for each session and only until you quit the app, to open localhost (your c…