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.

A context engine that treats skills as software.

rtfmbro provides always-up-to-date, version-specific package documentation as context for coding agents. An alternative to context7

The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.

deep, reliable and confidential coding-context

BeeMCP: an unofficial Model Context Protocol (MCP) server that connects your Bee wearable lifelogger to AI via the Model Context Protocol

AI Badger - Local-first tool that extracts focused repo context for any AI chat (Claude, ChatGPT, Grok, etc.) without wasting tokens on irrelevant files.

A proposed convention for the .agents/ directory to prevent context bloat and improve agent reasoning in complex codebases.

A curated list of excellent Model Context Protocol (MCP) servers.

MCP server for persistent context management in AI coding assistants

Wavelet-based multi-resolution context management for LLMs via MCP

BitDive Model Context Protocol (MCP) server. The Autonomous Quality Loop for AI agents. Provides real runtime context, before/after trace comparison, and integration testing workflows.

A practical, no-hype workflow for AI coding agents: context, plan, implement, review, QA, ship, retro. Templates, two Claude Code skills, and a 40% context rule - every claim traced to official docs.

A Model Context Protocol (MCP) server that retrieves information from Wikipedia to provide context to LLMs.

Stop re-explaining your data to your AI every session. The individual-analyst context layer, delivered over MCP (Claude Code / Cursor / Codex).

A SEC EDGAR MCP (Model Context Protocol) Server

CTX - Context Runtime Engine for Coding Agents

Plane's Official Model Context Protocol Server 🔌 ⌨️ 🔥

A Model Context Protocol (MCP) server that enables LLMs to run ANY code safely in isolated Docker containers.

Let LLMs control embedded devices via the Model Context Protocol.

XCode CLI MCP: Convenience wrapper for Xcode CLI tools & iOS Simulator. Progressive disclosure of tool responses to reduce context usage. Use --mini param for build-only with tiny context footprint.