MCP Browser Console

Tracking since May 3, 2026.

Changelog

• May 9, 2026
  description

  MCP Browser Console streams Chrome console, error, fetch, and XMLHttpRequest events to a local MCP server.
  
  It helps developers inspect frontend logs and network activity from MCP-compatible clients without switching context. The extension captures console messages, runtime errors, unhandled promise rejections, fetch requests, and XHR requests, then forwards them to a local WebSocket endpoint.
  
  Key features:
  - Capture console.log, warn, error, info, debug, and trace
  - Capture window errors and unhandled promise rejections
  - Capture fetch and XMLHttpRequest metadata, status, response body, and duration
  - Send events only to ws://localhost:3712
  - Keep the original page behavior unchanged
  - Use a local MCP server with an in-memory event buffer
  
  MCP Browser Console is designed for local development and debugging workflows. It does not send captured browser data to any remote server.

  MCP Browser Console streams Chrome console, error, fetch, and XMLHttpRequest events to a local MCP server.
  
  It helps developers inspect frontend logs and network activity from MCP-compatible clients without switching context. The extension captures console messages, runtime errors, unhandled promise rejections, fetch requests, and XHR requests, then forwards them to a local WebSocket endpoint.
  
  Key features:
  - Capture console.log, warn, error, info, debug, and trace
  - Capture window errors and unhandled promise rejections
  - Capture fetch and XMLHttpRequest metadata, status, response body, and duration
  - Send events only to ws://localhost:3712
  - Keep the original page behavior unchanged
  - Use a local MCP server with an in-memory event buffer
  
  MCP Browser Console is designed for local development and debugging workflows. It does not send captured browser data to any remote server.
  
  Setup, source code, and MCP server:
  https://github.com/Rekl0w/mcp-browser-console
  
  MCP server package:
  https://www.npmjs.com/package/@rekl0w/mcp-browser-console
  
  Issues and support:
  https://github.com/Rekl0w/mcp-browser-console/issues
  
  Privacy policy:
  https://github.com/Rekl0w/mcp-browser-console/blob/main/PRIVACY.md

Permissions & access

Permissions

tabs

Host access

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Screenshots