Epistemic protocols for Claude Code — structure human-AI interaction quality at every decision point - https://epistemic-protocols.com
🌐Web Agent Protocol (WAP) - Record and replay user interactions in the browser with MCP support
Graph-based long-term memory skill for AI (LLM) coding agents — faster context, fewer tokens, safer refactors
Decision audit trail + persistent memory for AI trading agents. Outcome-weighted recall, tamper-evident SHA-256 chain with RFC 3161 anchoring, 20 MCP tools.
Tool-to-Agent Protocol: tools can be smart without embedded LLM calls.
Governance gateway for AI agents — bounded, auditable, session-aware control with MCP proxy, shell proxy & HTTP API. Works with Cursor, Claude Code, Codex, and any MCP-compatible agent.
Specification and documentation for the Model Context Protocol
Model Context Protocol Servers
A community driven registry service for Model Context Protocol (MCP) servers.
The official Rust SDK for the Model Context Protocol
The official Python SDK for Model Context Protocol servers and clients
The official Ruby SDK for the Model Context Protocol servers and clients.
The official TypeScript SDK for Model Context Protocol servers and clients
The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.
The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.
The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.
Protocol-layer harness for DeepSeek: Python witness stack — posterior verification that keeps the protocol honest. dsh doctor --node probes included.

BeeMCP: an unofficial Model Context Protocol (MCP) server that connects your Bee wearable lifelogger to AI via the Model Context Protocol
MCPSharp is a .NET library that helps you build Model Context Protocol (MCP) servers and clients - the standardized API protocol used by AI assistants and models.
A curated list of excellent Model Context Protocol (MCP) servers.
Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through the Remote Debugging Protocol
TypeScript-first framework for the Model Context Protocol (MCP). You write clean, typed code; FrontMCP handles the protocol, transport, DI, session/auth, and execution flow.
A2A protocol client for your terminal