Conformance test harness for Model Context Protocol servers. Validates JSON-RPC 2.0, spec-version handshake, transport, OAuth 2.1 PKCE, tool schemas, capabilities, smoke roundtrip, and annotations against MCP spec 2024-11-05 / 2025-03-26 / 2025-06-18 / 20
A complete implementation of Protocol Buffers in TypeScript, suitable for web browsers and Node.js.
A framework for testing MCP (Model Context Protocol) client and server implementations against the specification.
An implementation of the WHATWG URL Standard's URL API and parsing machinery
CEL definitions and test data
A JavaScript implementation of the Unicode Bidirectional Algorithm
An evented streaming XML parser in JavaScript
LLM-Agent-First Specification schemas and conformance tooling
mcp-ui Client SDK
A high-level API to control headless Chrome over the DevTools Protocol
No description provided.
protobuf-conformance ====================
A high-level API to control headless Chrome over the DevTools Protocol
mcp-ui Server SDK
Model Context Protocol implementation for TypeScript
The **Model Context Protocol (MCP) client** for the [AI SDK](https://ai-sdk.dev/docs) lets you connect to MCP servers and use their tools with AI SDK functions like `generateText` and `streamText`.
Native KERN structural test runner
MCP server for filesystem access
Test, debug, and validate MCP servers — health checks, OAuth conformance, tool-surface diffing, and structured triage from the terminal or CI
Playwright Tools for MCP
A Nx plugin which allows users to write and apply rules for your entire workspace that help with consistency, maintainability, reliability and security.
An implementation of the WHATWG URL Standard's URL API and parsing machinery, without unicode support
MCP Middleware for Hono
MCP server for Chrome DevTools