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Knowledge Rag io.github.infoinlet-marketplace/mcp-knowledge-rag Permission-aware RAG for agents — ingest docs, hybrid search, cited answers (hosted API).
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Search and retrieval (RAG) Official MCP Registry · npm Local MIT
QD
Qdrant io.github.infoinlet-marketplace/mcp-qdrant Read-only Qdrant vector DB for AI agents — collections, info, browse points, count, search.
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Search and retrieval (RAG) Official MCP Registry · npm Local MIT
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Local-first MCP server: semantic search over library docs. No cloud, no API key, no telemetry.
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Docs and knowledge bases Official MCP Registry · Go modules Local APACHE-2.0
MI
Minirag io.github.sfrangulov/minirag-mcp Local-first RAG MCP server: hybrid search over a folder of your own documents
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Search and retrieval (RAG) Official MCP Registry · PyPI Local MIT-AND-APACHE-2.0
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Tool selection, Cohere-compatible reranking, and on-chain pricing-truth for agents
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Search and retrieval (RAG) Official MCP Registry · PyPI Local MIT
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Inferra io.github.zaharajabeen13-create/inferra-mcp Auditable rule-based decisions with RAG explanations: a Rete engine decides, an LLM explains why.
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Search and retrieval (RAG) Official MCP Registry · PyPI Local MIT
AG
Agentbay io.github.thomasjumper/agentbay-mcp Persistent memory and knowledge management for AI agents with semantic search and 50+ tools.
100% up · 30 days
Memory and context Official MCP Registry Local Remote
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On-device reranking that cuts RAG context tokens ~67% while keeping a relevant passage.
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Search and retrieval (RAG) Official MCP Registry · npm Local 19 a week MIT
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Strips layout noise via DOM AST; with a query, BM25 filters to relevant sections. No model or API.
100% up · 30 days
Developer tools Official MCP Registry · npm Local Remote 19 a week MIT
RI
Rippr io.github.mrslbt/rippr-mcp Rip YouTube transcripts to disk for AI agents, RAG pipelines, and LLM workflows.
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DevOps and infrastructure Official MCP Registry · npm Local 19 a week MIT
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MCP server exposing TypeSafe Jev as purpose-built judgment tools: verify claims, screen for injection, find, rerank, classify, decide, compare passages, extract fields, review patches, and gate comple
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Search and retrieval (RAG) npm Local 2k a week MIT
RA
Ragdrift io.github.MukundaKatta/ragdrift-mcp Diagnose RAG drift: interpret scores, recommend thresholds, explain dimensions.
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Search and retrieval (RAG) Official MCP Registry · npm Local 18 a week MIT-OR-APACHE-2.0
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Slimdex io.github.Siddhukaushik/slimdex-mcp Narrow code retrieval for agents: outlines, symbol context, dep graph, persistent memory.
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Memory and context Official MCP Registry · npm Local 18 a week MIT
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An MCP server for interacting with Dappier's RAG models
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Search and retrieval (RAG) PyPI · Docker Hub · Docker MCP Catalog Local MIT
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TypeScript SDK for Ratel — context engineering platform for AI agents. BM25 tool retrieval, MCP ingestion, framework-neutral capability tools.
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Search and retrieval (RAG) npm Local 1.8k a week MIT
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Self-hosted retrieval router for AI agents: budgets, provider routing, route receipts.
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Search and retrieval (RAG) Official MCP Registry · npm Local 17 a week APACHE-2.0
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Drive EditItAll's local in-browser editors: PDF, sheet, photo, vector, Word, slides.
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Office documents and spreadsheets Official MCP Registry · npm Local 16 a week MIT
LL
Llmgraph io.github.abahocodes/llmgraph Invoke deployed LLMGraph no-code LLM workflows (chat, RAG, automations) as MCP tools.
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Communication and chat Official MCP Registry · npm Local 16 a week MIT
BO
Bookmark io.github.pree-dew/mcp-bookmark MCP Server for adding bookmarks in openai RAG
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Search and retrieval (RAG) Official MCP Registry · PyPI Local MIT
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ZKshare io.github.sp0oby/zkshare ZKshare stdio MCP: store/prove/share, semantic search, sandbox proxy to HTTPS /api/v1/context.
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Search and retrieval (RAG) Official MCP Registry · npm Local 16 a week MIT