Model Context Protocol server for GraphQL
MCP Server for SigNoz
Moondream MCP Server in Python
An eBPF skill for coding agents

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.
An advanced, UI-powered AI second brain Agent Skill for OpenClaw, Hermes Agent, WorkBuddy, TRAE, and QClaw. ZhiGui uses long-term memory to help you make better decisions, automatically plan tomorrow, resolve conflicting notes, and deliver each day's plan through your existing agent channels.
A toolkit that makes Claude Code better at engineering — session memory, dependency analysis, large file navigation, 18 specialist agents, and crew teams for parallel multi-branch work.
400+ free AI skills and 9 agents for media professionals — journalists, producers, podcasters, YouTubers. Quality-tested. Works with Claude, ChatGPT, Cursor, any MCP client, and more.
Agent skill to turn any arxiv paper into a working implementation
MCP for 1C:EDT
A JavaScript graph layout engine: port of MSAGL
Lightweight Model Context Protocol (MCP) server for the Zotero API, in Python
Claude Code skills for protein design
MCP Server for Bing Search API
PRB's collection of agent skills
CLI and telemetry system for querying local, CI, and production runtime data.
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.

Google Flights MCP, CLI and Python Library
An MCP server for interacting with Sentry via LLMs.
The Claude Code alternative

Metorial MCP Index - An ever growing list of open source MCP servers 📁 🎉
The filesystem for AI agents
Search global patents across WIPO, EPO, USPTO, CNIPA, JPO, KIPO and other authorities, together with scientific literature from PubMed, arXiv, Nature, Science and other major sources using natural-language, semantic, keyword and structured search.