SessionMCP

Connect Claude Code, Cursor, Windsurf, Cline, and VS Code Copilot to your existing Chrome session — same logins, same cookies, same tabs.

⚠️ Requires the SessionMCP Chrome extension

This npm package is the relay — a local bridge between your AI tool and the SessionMCP Chrome extension. The relay alone does nothing.

The extension is currently in Chrome Web Store review. For early access, get in touch:

👉 limitless-gmtech.com/contact

How It Works

AI Tool (Claude Code / Cursor / etc.)
        ↓  MCP stdio (JSON-RPC 2.0)
   sessionmcp relay   ←→   ws://127.0.0.1:7337
                                ↕  WebSocket + token auth
              SessionMCP Chrome Extension
                                ↕  chrome.debugger
                         Your Chrome browser

No new browser window. No headless instance. Real session, real cookies, real logins.

Installation

npm install -g sessionmcp

Once you have early access to the extension and have it installed, the relay starts automatically when your AI tool launches.

Configure your AI tool

After installing the extension, click its icon in Chrome → Setup Wizard to copy your token, then add this MCP entry to your AI tool's config:

Claude Code — ~/.claude/claude_mcp_config.json

{
  "mcpServers": {
    "sessionmcp": {
      "command": "sessionmcp",
      "env": { "SESSIONMCP_TOKEN": "YOUR_TOKEN_HERE" }
    }
  }
}

Cursor — ~/.cursor/mcp.json

{
  "mcpServers": {
    "sessionmcp": {
      "command": "sessionmcp",
      "env": { "SESSIONMCP_TOKEN": "YOUR_TOKEN_HERE" }
    }
  }
}

Windsurf — ~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "sessionmcp": {
      "command": "sessionmcp",
      "env": { "SESSIONMCP_TOKEN": "YOUR_TOKEN_HERE" }
    }
  }
}

Cline / VS Code Copilot

Same shape — paste the entry above into the relevant mcp.json for your editor.

Restart your AI tool. The MCP server should appear connected.

Privacy & security

• Token is 32-byte random, generated locally on first install
• Relay only accepts WebSocket connections with a valid token
• All traffic stays on 127.0.0.1 — nothing leaves your machine
• No telemetry, no accounts, no cloud — your session never touches our servers

Links

• Early access: limitless-gmtech.com/contact
• Company: Limitless GMTech Solutions, Lda
• Built by: Ginquel Moreira

License

Relay: MIT — © 2026 Limitless GMTech Solutions, Lda Extension: proprietary — distributed via Chrome Web Store under separate terms.