Sandbox
3,523 repos for “r”Clear
blurrah/
mcp-graphql

Model Context Protocol server for GraphQL

407

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.

117k
1 add
topoteretes/cogneeFrameworks & SDKs

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.

31k
CarlWangChina/
zhigui-openclaw-ui-second-brain-skill

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.

100
arpitnath/
claude-capsule-kit

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.

90

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.

30
microsoft/
msagljs

A JavaScript graph layout engine: port of MSAGL

175
kujenga/
zotero-mcp

Lightweight Model Context Protocol (MCP) server for the Zotero API, in Python

162
everr-labs/
everr

CLI and telemetry system for querying local, CI, and production runtime data.

45
elliot35/
deterministic-agent-control-protocol

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.

88
punitarani/fliConnectors

Google Flights MCP, CLI and Python Library

3.1k
getsentry/
sentry-mcp

An MCP server for interacting with Sentry via LLMs.

846

Metorial MCP Index - An ever growing list of open source MCP servers 📁 🎉

281
patsnap/
patent-literature-search-mcp

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.

79