DI
Distillery io.github.norrietaylor/distillery-mcp Knowledge base for Claude Code with semantic search, feed intelligence, and teams
Version check not run yet
Docs and knowledge bases Official MCP Registry · PyPI Local Remote APACHE-2.0
DO
Docdex io.github.bekirdag/docdex Fast per-repo documentation indexer and full-text search MCP server for codebases.
Version check not run yet
Developer tools Official MCP Registry · npm Remote 565 a week MIT
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Code intelligence for coding agents: semantic, AST, graph, and full-text search. 279+ languages.
100% up · 30 days
Developer tools Official MCP Registry · npm Remote MIT
OP
Openai io.github.AceDataCloud/mcp-openai MCP server for OpenAI API (chat completions, image generation, embeddings) via AceDataCloud
100% up · 30 days
Model and agent tools Official MCP Registry · PyPI Local Remote MIT
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Biomedical search: FDA drugs, MeSH headings, ClinVar genomic variants with BM25 ranking.
Version check not run yet
Science and research Official MCP Registry · PyPI Remote MIT
MN
Mnemo io.github.n24q02m/mnemo Persistent AI memory with hybrid search and embedded sync. Open, free, unlimited.
Version check not run yet
Memory and context Official MCP Registry · PyPI Remote APACHE-2.0
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Geospatial AI MCP server — satellite imagery, embeddings, weather, GNS governance
100% up · 30 days
Maps and location Official MCP Registry · npm Remote APACHE-2.0
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Persistent working memory for AI agents: a knowledge graph with semantic search and decay.
100% up · 30 days
Memory and context Official MCP Registry · npm Local Remote 510 a week APACHE-2.0
SE
Search1API io.github.superagents-lab/search1api Web search, agentic search, news, page retrieval, sitemaps, and trending topics through Search1API.
100% up · 30 days
Web search and scraping Official MCP Registry · npm Local Remote 487 a week MIT
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Chronicling America MCP — full-text search of ~150 years of digitized U.S. newspapers…
100% up · 30 days
Search and retrieval (RAG) Official MCP Registry · npm Remote 374 a week MIT
GU
Gutenberg io.github.cyanheads/gutenberg-mcp-server MCP server for Project Gutenberg: 78,000+ public-domain ebooks with full plain-text retrieval.
100% up · 30 days
Design and media Official MCP Registry · npm Local Remote 318 a week APACHE-2.0
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Elasticsearch MCP Server for ES 5.x-9.x with a query harness, field validation and full API access
Version check not run yet
Search and retrieval (RAG) Official MCP Registry · npm Local Remote 313 a week APACHE-2.0
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Persistent memory for AI agents — history, context, semantic search, queues. 46 tools, stdio/SSE.
100% up · 30 days
Memory and context Official MCP Registry · npm Local Remote 254 a week SEE-LICENSE-IN
CO
Contextq io.github.contextq/contextq-mcp Persistent memory, hybrid search and a goal graph for AI agents, over stdio or remote HTTP.
100% up · 30 days
Memory and context Official MCP Registry · npm Local Remote 179 a week MIT
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Retrieval practice in your coding agent: one short question about what you just built.
100% up · 30 days
Search and retrieval (RAG) Official MCP Registry · npm Local Remote 83 a week MIT
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Graph-vector memory for AI assistants using FalkorDB and Qdrant
Address set by you
Search and retrieval (RAG) Official MCP Registry · npm Local Remote 80 a week MIT
CY
Cyanheads io.github.cyanheads/cyanheads-mcp-server Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.
100% up · 30 days
Search and retrieval (RAG) Official MCP Registry · npm Local Remote 75 a week APACHE-2.0
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Source-first URL clone, capture, rebuild, and fidelity verification tools.
100% up · 30 days
Search and retrieval (RAG) Official MCP Registry · npm Local Remote 72 a week MIT
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Cloud or self-hosted knowledge for AI agents: hybrid search, reranking, GraphRAG, scoped MCP tools.
100% up · 30 days
Search and retrieval (RAG) Official MCP Registry · npm Local Remote 70 a week APACHE-2.0
AD
Astra DB io.github.erichare/astra-mcp Astra DB tools for agents: schema, find, vector search, guarded writes, and interactive views.
100% up · 30 days
Search and retrieval (RAG) Official MCP Registry Local Remote