WebMCP DevTools is a free Chrome add-on designed for inspecting, auditing, and exporting tools related to the Model Context Protocol (MCP). It features a tool discovery function that allows users to quickly detect and explore MCP tools available on any website, providing an overview of schemas, parameters, and descriptions. Additionally, the readiness audit feature offers a one-click solution to assess MCP implementation across various critical areas including coverage and security.

The performance profiler included in the tool measures execution latency, DOM complexity, and memory usage, while also providing optimization suggestions. Users benefit from a comprehensive security checklist that evaluates aspects like HTTPS and CORS configuration. With support for multiple languages and customizable themes, WebMCP DevTools is a robust tool for developers looking to enhance their web applications.