
Save 94% on AI coding tokens. Index your codebase, agents search instead of reading files. Works with Claude Code, Codex, Copilot, Cursor, Gemini CLI. Local MCP server, free, open source.

Save 94% on AI coding tokens. Index your codebase, agents search instead of reading files. Works with Claude Code, Codex, Copilot, Cursor, Gemini CLI. Local MCP server, free, open source.
A personal context store for AI agents and assistants—reuse your existing coding agent CLI (Codex/Claude/OpenCode) with built‑in Skills/tools and a desktop GUI to capture, search, and reuse project knowledge across agents and repos.
🤖 24/7 AI agent that maximizes Claude Code Pro usage via Slack. Auto-processes tasks, manages isolated workspaces, creates Git commits/PRs, and optimizes day/night usage thresholds.
Model Context Protocol Servers
Specification and documentation for the Model Context Protocol
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.
Context cleaning for Claude Code — prune bloated sessions, protect Agent Teams from context loss, auto-guard with tiered pruning
Context management for Claude Code. Hooks maintain state via ledgers and handoffs. MCP execution without context pollution. Agent orchestration with isolated context windows.
A context engine that treats skills as software.
LeanCTX — Context Intelligence for AI systems.
Save tokens. Maximize context, Safely
rtfmbro provides always-up-to-date, version-specific package documentation as context for coding agents. An alternative to context7
Compiles AI agent traces and truns them into reusable context.
Spec-driven development and context engineering for Claude Code, Cursor, Codex, and GitHub Copilot — backed by project context in Git.

Analyze your Claude Code context window, detect wasted tokens, and get pasteable fix commands. Zero API calls
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.