Search and retrieval (RAG) MCP servers

1,793 servers

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@grec0/mcp-mantis io.github.gcorroto/mcp-mantis

A TypeScript MCP stdio server for the MantisBT REST API: read, resolve, comment on issues, plus local semantic search.

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Project management npm Local MIT
@jommar/memory-mcp io.github.jommar/memory-mcp

MCP server for persistent agent memory backed by SQLite (FTS5 + sqlite-vec) and local MiniLM embeddings

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Memory and context npm Local MIT
@knowledge-cartridge/mcp-server io.github.jonpojonpo/mcp-corpus

MCP retrieval server for Knowledge Cartridge bundles.

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Search and retrieval (RAG) npm Local MIT
@kombifyio/sites-mcp io.github.kombifyio/sites-mcp-server

MCP server exposing deterministic kombify-sites runtime-payload operations as tools — usable by any external agent, CLI, SaaS embedding host, Claude Code, Codex, etc.

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Search and retrieval (RAG) npm Local MIT
@loopier/mcp io.github.loopier/loopier-loopier-mcp

Loopier agent-runtime: MCP server + daemon + CLI that snap-links an AI coding agent (Claude Code, Codex, Cursor) into a Loopier team — heartbeat/presence, command channel (start/stop/re-vector/kill/ap

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Coding agent tools npm Local APACHE-2.0
@mhalder/qdrant-mcp-server io.github.mhalder/qdrant-mcp-server-csjw2b

MCP server for semantic search using local Qdrant and Ollama (default) with support for OpenAI, Cohere, and Voyage AI

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Search and retrieval (RAG) npm Local MIT
@moss-tools/mcp-server io.github.usemoss/moss

MCP server exposing MOSS semantic search and index management as tools.

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Search and retrieval (RAG) npm Local MIT
@qune-tech/vergabe-mcp io.github.qune-tech/vergabe-mcp

Local MCP server for German public procurement search (Vergabe Dashboard). Semantic search, tender matching, and company profiles — queries and profiles are embedded locally; only vectors leave the ma

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Government and public records npm Local MIT
@reaatech/hybrid-rag-mcp-server io.github.reaatech/hybrid-rag-qdrant-hybrid-rag-mcp-server

MCP server with 41+ tools for hybrid RAG integration with agent-mesh

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Search and retrieval (RAG) npm Local MIT
@reaatech/rag-eval-mcp-server io.github.reaatech/rag-eval-pack-mcp-server

MCP server exposing RAG evaluation tools (judge, suite, gate)

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Search and retrieval (RAG) npm Local MIT
@reddb-io/ui-mcp io.github.reddb-io/red-ui-mcp

MCP Apps server for embedding RedDB UI in MCP clients.

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Search and retrieval (RAG) npm Local APACHE-2.0
@simurgh-ui/mcp io.github.simurgh-ui/simurgh-mcp

Model Context Protocol server for Simurgh UI component discovery and source retrieval.

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Search and retrieval (RAG) npm Local MIT
@toorpia/mcp io.github.toorpia/toorpia-mcp

MCP server for toorPIA embedding analysis: deterministic dimensionality reduction and anomaly detection for embedding vectors

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Search and retrieval (RAG) npm Local MIT
@turbopuffer/turbopuffer-mcp io.github.turbopuffer/turbopuffer-typescript-mcp-server

The official MCP Server for the Turbopuffer API

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Search and retrieval (RAG) npm Local MIT
@vymalo/lightbridge-code-intelligence-mcp io.github.adorsys-gis/lci-mcp-server

Local-first MCP server giving coding agents repository-aware semantic and structural code retrieval.

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Coding agent tools npm Local MIT
Octocode io.github.Muvon/octocode

AI-powered code indexer with semantic search and knowledge graphs

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Memory and context Official MCP Registry · crates.io Local
Mapleai io.github.veenrek/mapleai-mcp

Pay-per-request GPT chat, embeddings, agents and prepaid keys with local x402 USDC signing

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Search and retrieval (RAG) Official MCP Registry · npm Local 26 a week
eminiar io.github.rydn/eminiar

Local-first context, memory and knowledge-graph plugin for Claude Code. Sandboxed execution, FTS5 + vector search, session continuity, and a code graph — nothing leaves your machine.

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Memory and context npm Local 261 a week MIT
Smart Connections io.github.gogogadgetbytes/smart-connections

MCP server for Obsidian Smart Connections. Semantic search using your vault's embeddings.

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Search and retrieval (RAG) Official MCP Registry · npm Local 15 a week MIT
logosdb-mcp-server io.github.jose-compu/logosdb-mcp

MCP server for LogosDB: local semantic memory, file indexing, and hybrid search for Claude Code, Cursor, and other MCP clients

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Files and storage npm Local 257 a week MIT
cuba-memorys io.github.leandropg19/memorys-237sh8

Persistent memory MCP server (MemoryIndustry) — self-growing knowledge graph that works without MCP sampling, poisoning quarantine, PostgreSQL + pgvector, bitemporal facts, BM25+RRF hybrid search, gra

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Memory and context npm Local 70 a week APACHE-2.0
rag-memory-epf-mcp io.github.bripin123/rag-memory-epf-mcp

Project-local RAG memory MCP server — knowledge graph + multilingual vector + FTS5 in a single SQLite file. Per-project isolation, 38 MCP tools, codepoint-safe chunking (Korean/CJK/emoji).

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Memory and context npm Local 249 a week MIT
@ohos-ports/agentdb io.github.ohos-ports/ohos-ports-3.0.0

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 246 a week MIT
membot io.github.evantahler/membot

Versioned context store with hybrid search for AI agents. Stdio + HTTP MCP server and CLI.

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Search and retrieval (RAG) npm Local 245 a week MIT
@orellbuehler/paperless-mcp io.github.orellbuehler/paperless-mcp

Model Context Protocol server for Paperless-ngx: documents, organization, saved views, users, workflows, and optional semantic search.

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Office documents and spreadsheets npm Local 242 a week MIT
@kipachu/omem io.github.kipachu-1/omem

Obsidian-vault-first memory for AI agents: hybrid vector + keyword + graph retrieval over markdown, MCP server, git auto-sync

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Search and retrieval (RAG) npm Local 241 a week MIT
BuyKing MCP Server io.github.accentist/buyking-mcp

Saleplaza BuyKing MCP: Semantic search for global shopping hot deals (US/JP/KR).

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CRM and sales Official MCP Registry · npm Local 49 a week ISC
synabun io.github.danilokhury/synabun

Local-first persistent vector memory, MCP tooling, and multi-agent workflows for AI assistants

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Memory and context npm Local 227 a week APACHE-2.0
@yikizi/mcp-local-rag io.github.yikizi/mcp-local-rag

Local RAG MCP Server - Enhanced with hybrid search, memory management, and code file support (fork of shinpr/mcp-local-rag)

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Search and retrieval (RAG) npm Local 2.4k a week MIT
@unblocklabs/qmd io.github.unblocklabs-ai/qmd

Query Markup Documents - Local BM25/vector indexing and retrieval for Unblock Memory

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Search and retrieval (RAG) npm Local 214 a week MIT
rokadoc-mcp-server io.github.yuma-shin/rokadoc-mcp-server

rokadoc MCP Server - Model Context Protocol server for rokadoc RAG service

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Search and retrieval (RAG) npm Local 212 a week MIT
@msbayindir/rag-chunker io.github.msbayindir/rag-chunker

PDF, Office and Markdown to retrieval-ready chunks — multi-provider (Ollama, Gemini, Claude, OpenAI, OpenRouter, Mistral OCR), works fully local, with contextual retrieval

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Model and agent tools npm Local 199 a week MIT
bluetang io.github.onyxyno/bluetang

Proxy intelligent entre client LLM et Ollama — RAG + mémoire + client MCP

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Model and agent tools npm Local 190 a week MIT
@iflow-mcp/codefromkarl-contextatlas io.github.codefromkarl/contextatlas

ContextAtlas CLI and MCP server for code retrieval, project memory, and repository intelligence

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Git and code hosting npm Local MIT
codebase-semantic-search io.github.jonathan-dobson/codebase-semantic-search

Local semantic search engine for any codebase. MCP + HTTP + file watcher. Reuses Ollama embeddings + Milvus vector storage.

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Search and retrieval (RAG) npm Local 182 a week MIT
Sap Docs io.github.marianfoo/mcp-sap-docs

Fast MCP server for unified SAP docs search (SAPUI5, CAP, OpenUI5, wdi5) with BM25 full-text search

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Docs and knowledge bases Official MCP Registry Local
@fridaplatform-stk/figma2frida-mcp io.github.fridaplatform/figma2frida_mcp

Figma to Frida MCP Server - Bridge between Figma Desktop MCP and design system components with Pinecone search

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Design and media npm Local MIT
rag-rat io.github.cq27-dev/rag-rat

Repository intelligence, code graph, history, papertrail, and cross-agent memory for coding agents.

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Memory and context Official MCP Registry · crates.io Local
@gergelyszerovay/qmd io.github.tobi/qmd-qm13bj

Query Markup Documents - On-device hybrid search for markdown files with BM25, vector search, and LLM reranking

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Search and retrieval (RAG) npm Local 3 a week MIT
@iflow-mcp/imphillip-gbrain-openclaw io.github.imphillip/gbrain-openclaw

Personal knowledge brain for OpenClaw — SQLite + FTS5 + vector embeddings, MCP-native

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Search and retrieval (RAG) npm Local MIT
Deepcontext ai.wild-card/deepcontext

Advanced codebase indexing and semantic search MCP server

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Developer tools Official MCP Registry · npm Local 41 a week APACHE-2.0
@hanzo/mcp io.github.hanzoai/mcp-3z6t3e

Hanzo MCP Server - Unified tool surface with AI, cloud control, vector search, and multi-framework UI

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Search and retrieval (RAG) npm Local 153 a week MIT
@ndokutovich/arca io.github.ndokutovich/arca

Keep the raw transcript. A local-first vault for coding-agent history — transcripts verbatim in git, indexed for hybrid search, served over MCP.

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Git and code hosting npm Local 144 a week MIT
intellinode io.github.intelligentnode/intellinode

JavaScript AI SDK for OpenAI, Claude, Gemini and Vertex AI: chatbots, AI agents, RAG with vector databases, tool calling, MCP, image and speech.

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Search and retrieval (RAG) npm Local 144 a week APACHE
@dreb/semantic-search io.github.aebrer/dreb-semantic-search

Semantic codebase search engine with embedding-based ranking and MCP server

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Search and retrieval (RAG) npm Local 138 a week MIT
memory-lancedb-mcp io.github.shipeng174-avatar/memory-lancedb-mcp

LanceDB long-term memory MCP server with SiliconFlow/OpenAI-compatible embeddings.

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Search and retrieval (RAG) npm Local 136 a week MIT
@emdzej/ragclaw-mcp io.github.emdzej/ragclaw-mcp

MCP server for RagClaw - exposes RAG tools to Codex, Claude, OpenCode

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Search and retrieval (RAG) npm Local MIT
cairn-index io.github.mrsirg97-rgb/cairn

Local hybrid index (FTS5 + vector embeddings + AST graph) over a single sqlite file. Curate, ingest, retrieve.

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Search and retrieval (RAG) npm Local 127 a week MIT