hybrid-search MCP servers & tools

Long-term memory for AI agents (Claude Code/Desktop, Cursor, ChatGPT, Codex, OpenClaw) backed by a local Obsidian markdown vault. Hybrid retrieval (BM25 + ML embeddings + BGE reranker, RRF-fused), HNSW + int8 quantization, agentic RAG (HyDE + sub-question), GraphRAG-light (Louvain wikilink community detection), standalone Obsidian Bases, PDFs + Tesseract OCR. 46 tools, 19 MCP prompts, MIT, SLSA L2, zero cloud calls during serve. npx -y @oomkapwn/enquire-mcp serve --vault

Graph memory that dreams: Neo4j knowledge-graph memory for AI agents with hybrid search

Local-first AI memory with knowledge graphs and hybrid search. 17+ AI tools via MCP. Free.

Persistent coding memory for AI assistants — hybrid search, knowledge graph, token-efficient context. MCP stdio (28 tools), npm @ratary/mcp-server, optional remote Streamable HTTP. Self-host D1, Postgres, MariaDB, or Docker.

AI agent memory and knowledge graph, hosted in Germany (GDPR-compliant). Hybrid recall (BM25 + vector + Neo4j graph hops with cross-encoder rerank), typed relations, and bi-temporal store across sessions via MCP. Works with Claude, ChatGPT, and Cursor. npx -y knowmind mcp

Local-first agentic memory — 100+ tools, 92% LongMemEval-S, hybrid search, GDPR, zero cloud.

⃣ 🏠 🍎 🪟 🐧 - Self-hosted knowledge backend for AI agents with hybrid vector + keyword search, container-isolated indexes, and 11 MCP tools. .NET, Docker-ready.

Self-hosted memory for AI agents with hybrid search, knowledge graphs, tasks, and document sync.

Persistent AI memory in one SQLite file: 3-layer hybrid search, confidence scoring, 29 tools.

Local-first agent memory & knowledge service with hybrid retrieval (BGE-M3 dense vectors + BM25 via jieba, fused with RRF), document & webpage ingestion, and optional RAG answering via local Ollama. Single process, embedded ChromaDB, REST + native MCP server; fully functional offline without any LLM. Apache-2.0.

Self-hosted persistent memory for AI agents: knowledge graph and hybrid search.

Two-layer memory MCP server for AI agents with 37 tools, RAG, graphs, wiki, auth

Local hybrid-search memory for AI agents over plain Markdown. Multi-tenant, offline, no LLM.

Persistent memory, hybrid search and a goal graph for AI agents, over stdio or remote HTTP.