A
licenseA
qualityC
maintenanceMCP server + Chrome extension that gives AI coding agents control of your real browser with existing sessions, logins, and cookies. Works with Cursor, Claude, Windsurf.
Last updated
18
60
45
MIT
mailnotmilk
by jrb00013
Agent & Presence Management: Register agents, list, set/get status, subscribe to rooms.
Messaging & Inbox: Send direct or broadcast messages, structured handoffs, turn summaries; reply in-thread, react, search, archive, mark unread; check inbox with priority sorting.
Chat Sessions: Create/join shared chats, generate join links, bridge to Claude Code, post messages and view history.
Browser Automation: Connect Chrome/Firefox via Playwright, navigate to AI sites (ChatGPT, DeepSeek, etc.), extract chat messages, send messages, take screenshots.
Relay: Execute automated relay cycles that extract messages from browser AI, forward to coding agent chat, and send replies back.
Utility: Mailbox statistics, status board, room listing and subscription.
Supports browser automation through Firefox, allowing the server to interact with AI chat web interfaces via the Firefox browser.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@mailnotmilkRelay my DeepSeek browser chat to Claude Code"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
mailnotmilk
Bridge any browser AI (ChatGPT, DeepSeek web, Gemini, Copilot, Claude.ai) with Claude Code / Cursor / OpenCode — MCP mailbox + Chrome/Firefox automation
Install
Linux / macOS / WSL
./install.sh # MCP + skills + browsers + auto Chrome extension
./run.sh # after one Chrome restart — any AI site
./run.sh --site deepseek --peer claudeWindows native
install.cmd
install.cmd --run
run.cmd.\install.ps1 --run
.\run.ps1 --site chatgptInstall automatically:
MCP into Cursor / Claude Code / OpenCode / …
Skills (
mailnotmilk-bridge,browser-relay) project + user-levelPlaywright + Chromium / Firefox / WebKit (no manual
npx playwright install)
Platform | Entrypoint | Browsers |
Linux native |
| chromium, firefox, webkit + |
Windows WSL |
| same (+ WSLg note for headed UI) |
macOS |
| chromium, firefox, webkit |
Windows native |
| chromium, firefox, webkit |
Skip browsers: --skip-browsers. Browsers only: mailnotmilk install --browsers-only.
Skip OS libs: --skip-deps. Force OS libs: --with-deps.
Related MCP server: Browserbeam MCP Server
Browser AI ↔ coding agent
mailnotmilk hub &
mailnotmilk relay --site deepseek --peer claude --browser chrome --wait 20000
# or firefox: --browser firefoxFlow:
Playwright opens DeepSeek/ChatGPT/… (Chrome or Firefox)
Extracts chat turns from the page
Forwards into a mailnotmilk chat for Claude/Cursor/OpenCode
When the coding agent replies, types it back into the browser composer
MCP tools: browser_connect, browser_open_ai, browser_extract_messages, browser_send_message, relay_tick, plus the chat/bridge tools.
Skills installed: mailnotmilk-bridge, browser-relay.
DeepSeek-in-Cursor → Claude Code (paste)
Still works when the “browser” is Cursor itself:
mailnotmilk bridge -t "fix auth" -m "help me" --openPaste the block into Claude Code.
License
MIT
Maintenance
–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity
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