A curated list of open source repositories for AI Engineers

Claude Memory MCP Visualizer

Source code graph RAG (GraphRAG) for C/C++ development based on clang/clangd

MCP server that enables language models to interact with RDKit through natural language

MCP server for bioinformatics agent skills — query a knowledge graph of 78 bioinformatics workflows directly from Claude Code

MCP message broker + web dashboard for inter-agent communication. Let AI CLI agents (Claude Code, Gemini CLI, Codex CLI) talk to each other.

Kappa Graph — κ(G). A semantic knowledge graph where knowledge has weight. Extracts concepts, measures grounding strength, preserves disagreement, traces everything to source.

Server that analyzes SQL, validates syntax, converts dialects with SQLGlot, and analyzes table/column usage for rich query insights.

Enrichr-backed enrichment with full library access, fast parallel queries, and structured outputs for robust LLM-driven analysis.

An MCP server for intelligent document processing and management, supporting multiple formats and document operations.

An MCP server that tracks newly created liquidity pools on Pancake Swap.

MCP server for Kibana, Access search and manage Kibana in MCP Client.

Bridge enabling LLMs to query ActivityWatch data—list buckets, run AQL queries, fetch events, and inspect settings.

Ingestion and MCP server enabling multi-source data to be vectorized for AI-powered search.

tushare_MCP

Open-source Gemini API integration with automatic model selection, unified file handling, and four specialized tools for efficient search, reasoning, processing, and analysis.

Real-time vision-enabled integration delivering AI-driven screen analysis, streaming, and UI interaction across Windows, macOS, and Linux.

The Excel MCP Server is a powerful tool that enables natural language interaction with Excel files through the Model Context Protocol (MCP). It provides a comprehensive set of capabilities for reading, analyzing, visualizing, and writing Excel data.

Local, zero-config code graph with function-level mapping, incremental rebuilds, multi-language support, and a rich toolset for AI agents and developers.

Agent-driven research on Brazilian law using official sources.

Real-time whale alerts on Hyperliquid with $1M+ notional flagging, delivering markdown tables and concise summaries.

Feature-rich research tool enabling intelligent queuing, TF-IDF content extraction, and Claude Desktop integration for deep web insights.

Indexes knowledge bases with FAISS; enables semantic retrieval via multiple embedding providers and flexible CLI tools.

Composable RDF operation system translating natural language to JSON DSL and MCP tools for RDF workflows.