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1. IM iflow-mcp_chroma-core_chroma-mcp io.github.chroma-core/chroma-mcp-5baggz 1.8 · 35/100

   Chroma MCP Server - Vector Database Integration for LLM Applications

   Version check not run yet

   Search and retrieval (RAG) PyPI Local APACHE-2.0

2. MM mcp-memory-service-lite io.github.doobidoo/mcp-memory-service-c8y9yh 1.8 · 35/100

   Lightweight semantic memory service with ONNX embeddings - no PyTorch required. 80% smaller install size. REST API + MCP transport.

   Version check not run yet

   Memory and context PyPI Local APACHE-2.0

3. SM shutup-mcp io.github.hjs-spec/shutup-mcp 1.8 · 35/100

   Experimental MCP proxy for filtering large tool lists using hybrid semantic and keyword retrieval

   Version check not run yet

   Search and retrieval (RAG) PyPI Local MIT

4. @C @fozikio/cortex-engine io.github.fozikio/cortex-engine 1.7 · 35/100

   Portable cognitive engine for AI agents — storage, embeddings, memory, FSRS, and MCP server

   Version check not run yet

   Search and retrieval (RAG) npm Local 57 a week MIT

5. @M @devpuccino/mcp-qdrant org.bitbucket.devpuccino/mcp-qdrant 1.7 · 35/100

   MCP Server for Qdrant Vector Database - Search, manage collections, and points

   Version check not run yet

   Search and retrieval (RAG) npm Local MIT

6. @M @iflow-mcp/raintree-technology-docpull io.github.raintree-technology/docpull-mcp 1.7 · 35/100

   MCP server for fetching and searching documentation with semantic search

   Version check not run yet

   Docs and knowledge bases npm Local MIT

7. R2 r2mcp io.github.dmokong/r2mcp 1.7 · 35/100

   Persistent semantic memory layer for Claude Code — PostgreSQL + pgvector + OpenRouter embeddings

   Version check not run yet

   Search and retrieval (RAG) npm Local 52 a week MIT

8. @A @sniper.ai/mcp-knowledge io.github.virkt25/sniper-mcp-knowledge 1.7 · 35/100

   SNIPER MCP server for domain knowledge indexing and retrieval

   Version check not run yet

   Search and retrieval (RAG) npm Local MIT

9. MR mcp-recall io.github.sakebomb/mcp-recall 1.7 · 35/100

   Context compression and persistent retrieval for Claude Code

   Version check not run yet

   Memory and context npm Local 50 a week MIT

10. @L @a13xu/lucid io.github.a13xu/lucid 1.7 · 35/100

    Token-efficient memory, code indexing, and validation for Claude Code agents — SQLite + FTS5, TF-IDF + Qdrant retrieval, AST skeleton pruning, diff-aware context, Logic Guardian drift detection

    Version check not run yet

    Search and retrieval (RAG) npm Local 49 a week MIT

11. @M @jayarrowz/mcp-arsr io.github.jayarrowz/mcp-arsr 1.7 · 35/100

    Adaptive Retrieval-Augmented Self-Refinement MCP Server — a closed-loop system that lets LLMs iteratively verify and correct their own claims using uncertainty-guided retrieval.

    Version check not run yet

    Search and retrieval (RAG) npm Local MIT

12. LL llmemory io.github.entaina/llmemory 1.7 · 34/100

    Memory infrastructure for agents: short-term checkpointing, long-term file-based and graph-based memory, retrieval with time decay, and maintenance jobs.

    Not checked yet

    Files and storage RubyGems MIT

13. CP ctxloom-pro io.github.kodiii/ctxloom-readme.md 1.7 · 34/100

    ctxloom — The Universal Code Context Engine. A local-first MCP server providing intelligent code context via hybrid Vector + AST + Graph search with token-efficient Skeletonization.

    Version check not run yet

    Developer tools npm Local 44 a week SEE-LICENSE-IN

14. LM light-mem io.github.devestacion/light-mem 1.7 · 34/100

    Lightweight persistent memory for Claude Code and OpenCode. In-process embeddings, no external services.

    Version check not run yet

    Memory and context npm Local 44 a week APACHE-2.0

15. @A @hyperterminal-ai/mcp-server io.github.hyperterminal-ai/hyperterminal-mcp-server 1.7 · 34/100

    MCP server for Hyperterminal — real-time AI news, semantic search, and weekly digests for AI agents.

    Version check not run yet

    Web search and scraping npm Local MIT

16. VE Velocirag io.github.HaseebKhalid1507/velocirag 1.7 · 34/100

    Lightning-fast RAG for AI agents. 4-layer fusion, ONNX Runtime, sub-200ms search.

    Version check not run yet

    Search and retrieval (RAG) Official MCP Registry Local

17. @M @iflow-mcp/guangxiangdebizi-web-retrieval-mcp io.github.guangxiangdebizi/web-retrieval-mcp 1.7 · 34/100

    一个专门用于解析网页设计结构的MCP工具

    Version check not run yet

    Search and retrieval (RAG) npm Local APACHE-2.0

18. @M @lotargo/memory_plugin io.github.lotargo/memory_plugin 1.7 · 34/100

    Local-first memory, hybrid RAG, and agent personalization for AI coding agents (OpenCode, Claude Code, Codex, Gemini CLI, Antigravity). MCP server + CLI with persistent context, document ingestion, ve

    Version check not run yet

    Search and retrieval (RAG) npm Local 41 a week MIT

19. @M @ssmeo/mcp-local-rag io.github.g0spel/mcp-local-rag 1.7 · 34/100

    Local RAG MCP Server - Easy-to-setup document search with minimal configuration (fork with remote embedding server support)

    Version check not run yet

    Search and retrieval (RAG) npm Local 41 a week MIT

20. @M @teknologika/mcp-codebase-search io.github.teknologika/mcp-codebase-search 1.7 · 34/100

    Local-first semantic codebase search for AI coding assistants using MCP, Tree-sitter parsing, and LanceDB vector storage

    Version check not run yet

    Developer tools npm Local 41 a week MIT