Ghostlight

Ghostlight gives compatible AI agents a dedicated workspace inside the Chromium profile you already use. Your signed-in sessions are there. The work stays visible. You can pause, take over, or stop it at any time.

Ask an agent to read a page, complete a form, handle a file, follow a popup, or investigate a failed web workflow. Ghostlight carries the task across tabs and browser changes while keeping the browser work and its controls on your machine.

You need Chrome, Edge, Brave, or Chromium 116+, an MCP client, and Node.js for the installer. The service you run afterward is native Rust.
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Install Ghostlight and register the MCP clients it finds:

Restart an MCP client if it does not hot-reload tools.

A sky-blue Ghostlight group should appear in your browser. The agent opens the page, reads it, and names the exact tab it used. That one prompt proves the whole connection without authorizing a click or write.

Ghostlight is at its best when browser work has a thread to follow:

- Pick up where you are signed in.Open an application in the Chromium profile you chose and work with the session already there. Credentials stay with the browser.
- Finish the interaction.Navigate, fill forms, upload files, resolve dialogs, wait for page state, and carry results from one step into the next.
- Follow the browser.Keep working when a site opens a supported child tab or when a known workspace changes underneath the task.
- See what failed.Bring page state, console messages, and network requests together so the next debugging step comes from evidence instead of guesswork.

Use the same browser capability from Codex, Claude Code, Claude Desktop, Cursor, VS Code, Windsurf, Zed, OpenCode, Crush, or another compatible stdio MCP client. Agents receive structured page reads, exact element references, bounded action receipts, and specific recovery guidance. They can callexplainfor the live action and capability directory whenever a task needs it.

Ghostlight works in a dedicated sky-blue tab group inside the browser window you chose. Page scans, clicks, typing, drags, and longer phases share one visual language, so the movement on screen has an explanation.

Pause the workspace, take over for a delicate step, or stop it. Move its tabs where you want them; Ghostlight follows the workspace instead of snapping it back. Ordinary tabs remain outside the agent's owned set.

Personal use is complete without a policy manifest. Start with the full browser engine and get useful work done. When a workflow needs stronger boundaries, grantread,action,write, andexecutecapabilities by MCP identity and domain. Add sacred domains, dry-run preflight, and structured audit while the browser experience stays the same.

Platform state.Windows and Linux are verified end to end against live browsers. macOS builds and passes the full test suite in CI; its live-browser verification is still owed.

MCP Client <--stdio--> ghostlight-mcp-connector <--typed local IPC--> ghostlight service <--browser IPC--> ghostlight-browser-connector <--native messaging--> Extension <--CDP--> Browser

The connector owns MCP protocol state. The persistent service owns workspaces, browser coordination, optional governance, and audit. The browser connector passes native messages, while the extension owns Chrome mechanism. Each role can reconnect independently.

This is a web browser that enables your coding agent, such as Claude Code, to visit websites on your behalf and assist you in identifying bugs or creating UI test cases.

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