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Best Open Source mcp Libraries

A curated list of the most popular GitHub repositories tagged with mcp. Select any project to visualize its architecture and dive into the codebase using GitPulse's AI engine.

#1affaan-m/everything-claude-code

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

178,661JavaScript
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#2ComposioHQ/composio

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

28,149TypeScript
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#3icip-cas/PPTAgent

An Agentic Framework for Reflective PowerPoint Generation

4,301Python
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#4MCPJam/inspector

Development platform to debug, chat, inspect, and evaluate MCP servers, MCP apps, and ChatGPT apps.

1,932TypeScript
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#5trpc-group/trpc-agent-go

trpc-agent-go is a powerful Go framework for building intelligent agent systems using large language models (LLMs) and tools.

1,152Go
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#6MinishLab/semble

Fast and Accurate Code Search for Agents. Uses ~98% fewer tokens than grep+read

771Python
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#7cyberkaida/reverse-engineering-assistant

MCP server for reverse engineering tasks in Ghidra 👩‍💻

726Java
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#8qqqqqf-q/Arkloop

干净、强大、属于你的 AI Agent 平台 --AI agents, without the clutter.

306Go
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