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Tabular data retrieval. Index CSV/Excel, query rows, aggregate. 99%+ savings vs raw file reads.
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Office documents and spreadsheets Official MCP Registry · PyPI Local LICENSEREF-JDATAMUNCH-DUAL-USE
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Pdf io.github.jztan/pdf-mcp Agentic RAG over one PDF or a whole folder: hybrid search, selective page reads, tables, OCR.
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Office documents and spreadsheets Official MCP Registry · PyPI Local MIT
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Animate in OpenToonz from an AI assistant: native vector levels, xsheet timing, rigs and physics.
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Search and retrieval (RAG) Official MCP Registry · PyPI Local MIT
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Similarity search, hybrid search, and index management for pgvector-backed PostgreSQL tables
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Search and retrieval (RAG) Official MCP Registry · PyPI Local MIT
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Search OpenSearch indices, manage documents, check health and stats.
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Search and retrieval (RAG) Official MCP Registry · npm Local MIT
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Offline, read-only tools that verify AI claims against evidence and replay conformance vectors.
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Search and retrieval (RAG) Official MCP Registry · PyPI Local APACHE-2.0
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Dify io.github.salted-butter-joshua/dify-mcp MCP server exposing Dify knowledge base retrieval to Cursor and other MCP clients
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Docs and knowledge bases Official MCP Registry · PyPI Local MIT
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AI threat hunting & incident response for Elasticsearch/OpenSearch with endpoint & network forensics
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Search and retrieval (RAG) Official MCP Registry · PyPI Local GPL-3.0-ONLY
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Local-first AI memory with knowledge graphs and hybrid search. 17+ AI tools via MCP. Free.
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Memory and context Official MCP Registry Local
KI
Kibana io.github.mshegolev/kibana-mcp Kibana/Elasticsearch MCP — log search, aggregations, index discovery, dashboards.
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Data warehouses and analytics Official MCP Registry · PyPI Local MIT
AG
agentdb io.github.ruvnet/agentdb-7kqhjv Self-learning vector memory for AI agents — single-file .rvf cognitive container with HNSW search, episodic Reflexion memory, causal graph + Cypher, 9 RL algorithms, Thompson Sampling bandit, 41 MCP t
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Search and retrieval (RAG) npm Local 72k a week MIT
RU
ruvector io.github.ruvnet/ruvector-eg27y9 Self-learning vector database for Node.js — hybrid search, Graph RAG, FlashAttention-3, HNSW, 50+ attention mechanisms
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Search and retrieval (RAG) npm Local 72k a week MIT
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Search Obsidian vaults with hybrid full-text, fuzzy, semantic, and graph retrieval.
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Docs and knowledge bases Official MCP Registry · npm Local 565 a week MIT
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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
KE
Keymem io.github.donggyun112/keymem Associative key-graph memory for LLM agents — recall by association, not vector similarity.
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Memory and context Official MCP Registry · npm Local 481 a week MIT
ME
Memento io.github.jee1/memento-mcp-server Agent memory MCP server with 4-type cognitive memory, hybrid search, and TTL-based forgetting.
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Memory and context Official MCP Registry · npm Local 423 a week MIT
WD
Wso2 Docs io.github.iamvirul/wso2-docs-mcp-server Semantic search over WSO2 docs (APIM, IS, MI, Choreo, Ballerina) via RAG and pgvector.
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Search and retrieval (RAG) Official MCP Registry · npm Local 340 a week APACHE-2.0
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Persistent memory MCP server. 28 tools, BM25+MMR+OOD retrieval, tamper-evident audit, code graph.
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Memory and context Official MCP Registry Local
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MemoryIndustry persistent memory MCP server: BM25+MMR retrieval and audit.
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Memory and context Official MCP Registry Local