Search and retrieval (RAG) MCP servers

1,793 servers

Index your own content and search it by meaning (retrieval-augmented generation, RAG).

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raglite-toolkit io.github.creatorpiyush/raglite

Build semantic search, multi-provider question answering, and REST APIs over your documents in a few lines of TypeScript.

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Office documents and spreadsheets npm Local 877 a week MIT
qmd-engine io.github.picassio/qmd-1

Hybrid search for markdown with BM25, vector search, and local or remote LLM reranking

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Search and retrieval (RAG) npm Local 869 a week MIT
Apple com.apple-rag/mcp-server

Apple developer docs and WWDC transcripts with RAG retrieval and Jev relevance ranking.

100% up · 30 days

Search and retrieval (RAG) Official MCP Registry · npm Remote 3 a week MIT
@ggui-ai/mcp-apps-react-native io.github.ggui-ai/ggui-mcp-apps-react-native

React Native host helper for MCP Apps — components and hooks for embedding agent-generated UIs in mobile apps.

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Search and retrieval (RAG) npm Local 816 a week APACHE-2.0
Fusionpact Vectordb io.github.atul-fusionpact/fusionpact-vectordb

Hybrid vector + reasoning retrieval, agent memory, multi-agent orchestration, MCP server, and RAG.

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Model and agent tools Official MCP Registry · npm Local 26 a week APACHE-2.0
grepmax io.github.reowens/grepmax

Semantic code search for coding agents. Local embeddings, call graph tracing, compact code context.

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Search and retrieval (RAG) npm Local 799 a week APACHE-2.0
Memforge Memory io.github.volsier/memforge-memory

Team engineering memory for AI coding assistants. 47 MCP tools, pgvector semantic search.

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Coding agent tools Official MCP Registry · npm Local 8 a week MIT
codesift-mcp io.github.greglas75/codesift

MCP server for code intelligence — 146 tools for symbol search, call graph, semantic search, route tracing, community detection, LSP bridge, secret detection, conversation search, and Hono framework i

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Developer tools npm Local 709 a week BSL-1.1
Resume Evidence io.github.nimish14/resume-evidence-mcp

Retrieve grounded resume evidence for a job description using BM25 + evidence reranking

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Search and retrieval (RAG) Official MCP Registry · npm Local 6 a week MIT
Fcc Ecfs io.github.pipeworx-io/fcc-ecfs

FCC Electronic Comment Filing System public search and retrieval.

100% up · 30 days

Search and retrieval (RAG) Official MCP Registry · npm Remote 6 a week MIT
markdown-chroma io.github.studykit/vscode-markdown-chroma

Obsidian and MyST Markdown preview for VS Code, with saved-document CLI and MCP retrieval.

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Office documents and spreadsheets npm Local 682 a week MIT
@gmickel/gno io.github.gmickel/gno

Local semantic search for your documents. Index Markdown, PDF, and Office files with hybrid BM25 + vector search.

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Office documents and spreadsheets npm Local 679 a week MIT
mcp-rag-memory io.github.adyoi/mcp-rag-memory

RAG + Context Management MCP server: long-term memory, vector storage, knowledge retrieval. Run with npx, zero external APIs.

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Search and retrieval (RAG) npm Local 677 a week MIT
File Processor io.github.IntelagentStudios/mcp-file-processor

Text extraction, keyword extraction, language detection, and chunking for RAG

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Utilities Official MCP Registry · npm Local 19 a week MIT
Searchcraft io.github.sathergate/searchcraft

Full-text search for Next.js. BM25 scoring and fuzzy matching, no external service.

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Search and retrieval (RAG) Official MCP Registry · npm Local 13 a week MIT
garnet-mcp io.github.tarazou9/garnet-mcp

RAG memory for LLM agents over Garnet Vector Sets: store text as embeddings, recall by meaning.

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Search and retrieval (RAG) Official MCP Registry · NuGet Local MIT
edhindex io.github.krishnasfdcc-a11y/edhindex

Local-first hybrid code search engine — 42 adapters, BM25 + vector + rerank, binary doc/image indexing, lazy background mode, MCP server

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Search and retrieval (RAG) npm Local 581 a week MIT
Keymaster io.github.AInoAKARI/keymaster-mcp

Read-only runtime secret retrieval from HashiCorp Vault via Keymaster for autonomous AI agents.

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Security Official MCP Registry · npm Local 11 a week MIT
Magnificent Jobs com.magnificentjobs/jobs

Semantic search over 3.5M+ live US job postings pulled straight from company ATSes. Read-only.

0% up · 30 days

Jobs and HR Official MCP Registry · npm Remote 4 a week MIT
Melchizedek io.github.louis49/melchizedek

Persistent memory for Claude Code — offline, single-file, hybrid search.

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Memory and context Official MCP Registry · npm Local 17 a week MIT
clawmem io.github.yoloshii/clawmem-fq1c24

On-device memory layer for AI agents. Claude Code, OpenClaw, and Hermes. Hooks + MCP server + hybrid RAG search.

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Memory and context npm Local 119 a week MIT
Novyx MCP io.github.novyxlabs/novyx-mcp

Persistent memory for AI agents with rollback, audit trails, and semantic search.

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Memory and context Official MCP Registry · PyPI Local MIT
rodiumai-mcp io.github.rodiumai/rodiumai-mcp

MCP server for the RodiumAI API: images, speech, transcription, embeddings, chat, model catalogue and docs, from any MCP client with your rd_sk_ key.

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Design and media npm Local 412 a week MIT
@albertomarturelo/nemo-mcp io.github.albertomarturelo/nemo-mcp

MCP server (stdio) for the Vector Capital portal. Each tool/resource is a thin call into @albertomarturelo/nemo-core tasks (ADR-003). Browser sign-in (auth_login, no password argument) plus the CLI's

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Browser automation npm Local 391 a week MIT
project-agent-memory io.github.balaji-g42/project-agent-memory

MCP server for memory management using vector database

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Memory and context npm Local 376 a week MIT
Rag io.github.fieldcure/rag

MCP RAG server with hybrid search, multi-KB support, and AI-powered chunk contextualization.

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Search and retrieval (RAG) Official MCP Registry · NuGet Local
inno-optimize-mcp io.github.innovativenectar/inno-optimize-inno-mcp

MCP stdio server exposing the inno-optimize platform: vector memory, intelligence routing, AST analysis, ADR automation, business agents, coordination and optimization templates.

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Developer tools npm Local 357 a week SEE-LICENSE-IN
dedsession io.github.dedvpn/mcp-context-manager-jtraqz

MCP server v5.0 — дайджест-проекция, canon-файлы контекста, relevance-загрузка, BM25-поиск, авто-миграция легаси

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Search and retrieval (RAG) npm Local 344 a week MIT
mcp-memory-bucket io.github.anatolipr/avo-mcp-tools-mcp-memory-bucket

MCP server exposing skill_* (reusable coding patterns) and memory_* (point-in-time working context) tools over a markdown+frontmatter source, cached into SQLite at runtime, with hybrid keyword + local

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Memory and context npm Local 340 a week MIT
ESG MCP Servers io.github.freminder/esg-mcp-servers

31 MCP tools for ESG data extraction, PDF processing, vector search, and EU regulation analysis.

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Office documents and spreadsheets Official MCP Registry · PyPI Local MIT
@ersinfotech/qmd io.github.tobi/qmd-7ym79y

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 6 a week MIT
Gateway io.github.rupinder2/mcp-gateway

Aggregates tools from multiple MCP servers with unified BM25/regex search and deferred loading.

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Model and agent tools Official MCP Registry · PyPI Local MIT
Orchestrator io.github.rupinder2/mcp-orchestrator

Aggregates tools from multiple MCP servers with unified BM25/regex search and deferred loading.

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Model and agent tools Official MCP Registry · PyPI Local Remote MIT
MidOS - MCP Community Library io.github.MidOSresearch/midos-mcp

Curated knowledge API for AI agents - skill packs, semantic search, validated patterns.

0% up · 30 days

Search and retrieval (RAG) Official MCP Registry · PyPI Local Remote MIT
@melandlabs/opencontext io.github.melandlabs/opencontext

OpenContext — single-package facade that bundles the contracts, memory-store, retrieval, loop engine, and agent runtime. Install once, get every capability.

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Memory and context npm Local 297 a week APACHE-2.0
neuro-vault-mcp io.github.alexmost/neuro-vault

MCP server for semantic and lexical search over Obsidian vaults, with a self-built embedding index.

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Docs and knowledge bases npm Local 283 a week ISC
apple-tools-mcp io.github.sfls1397/apple-tools-mcp

MCP server for semantic search and write actions across Apple Mail, Messages, Calendar, and Contacts. Speaks stdio (local) or bearer-token-authenticated Streamable HTTP (LAN / Tailscale).

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Email npm Local 280 a week MIT
nan-mcp-server io.github.luciferfran/nan-mcp-server

MCP server exposing NaN API tools: image generation/editing (flux-2-klein), TTS (kokoro), STT (whisper), embeddings and rerank

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Design and media npm Local 279 a week MIT
@adia-ai/mcp io.github.adiahealth/gen-ui-kit-mcp

AdiaUI's three MCP servers, one npm package (gh#1240, ADR-0051). `adia-mcp gen-ui` — the 31-tool generation server (compose engine, corpus, retrieval, feedback/eval loop). `adia-mcp protocol` — the 5-

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Developer tools npm Local MIT
@andreymudri/vault-mcp io.github.andreymudri/vault-mcp

MCP server for searching, reading and writing an Obsidian knowledge vault: lexical BM25 retrieval plus one wiki-link hop, and learning capture that propagates to the domain MOC, the knowledge index an

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Docs and knowledge bases npm Local MIT
@apexfusion/vector-mcp-signer io.github.apex-fusion/mcp-server-signer

Local signing companion for the Vector MCP server. Holds the key; no network.

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Search and retrieval (RAG) npm Local APACHE-2.0
@artano-ai/mcp-server io.github.artano-ai/lemma-mcp-server

Lemma's Model Context Protocol server — exposes the open scientific cards corpus, the cross-check engine, and RAG retrieval to any MCP-compatible client.

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Search and retrieval (RAG) npm Local APACHE-2.0
@aurfy/nihaopay-api-mcp io.github.d-l-nhp/nihaopay-api-mcp-npm

MCP server that serves Nihaopay v1.2 payment-API documentation to LLM agents. Bundles a docs snapshot with a BM25 retrieval index; runs fully offline over stdio.

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Docs and knowledge bases npm Local MIT
@cloudgrid-io/mcp io.github.cloudgrid-io/mcp

MCP access to CloudGrid — the live runtime environment where the user's apps run WITH the infrastructure they need out of the box: managed MongoDB, Redis (cache/queues/pub-sub), a pgvector store, pers

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Databases npm Local MIT
@context-engine-ai/mcp io.github.pazsaragi/context-engine-mcp

MCP server exposing context-engine retrieval, session memory, and management tools to Claude Code.

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Memory and context npm Local MIT
@cybersafe-lab/saqr-mcp io.github.cybersafe-lab/saqr-mcp

MCP server wrapping the Saqr Saudi-cybersecurity RAG library

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Security npm Local APACHE-2.0
@dimitrk/mcp-search io.github.dimitrk/mcp-search

MCP server for web search and semantic page content retrieval with local caching

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Web search and scraping npm Local MIT
@friday-ai-codes/mcp io.github.friday-ai-codes/mcp

Friday AI MCP server — expose Friday code intelligence, Graph RAG, coding plan and MR tools to Cursor / Claude Code / Codex via Model Context Protocol

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Developer tools npm Local MIT