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MCP servers tagged semantic-search
890 live MCP servers tagged "semantic-search", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with semantic-search.
Graph X
Local knowledge graph for any project: zero-dependency indexer + 7-tool MCP server for Claude Code + live neumorphic graph UI. Cuts Claude token usage 8-10x.
Note AI Assistant
An unofficial, local AI chat app for Obsidian — search and edit your notes by chatting. In-process RAG (embeddings + BM25 + RRF), powered by the Cerebras / Ollama Cloud APIs.
Webmcp Memory Bus
Persistent, browser-local semantic memory for AI agents, exposed over WebMCP. Episodic observations + a concept graph, embeddings computed in-tab, nothing sent to a server.
Pdfaireader
Local-first semantic PDF reader for Windows and macOS with exact source highlighting and MCP interoperability.
Agent Code Intel
Local-first code intelligence for AI coding agents on macOS. One command wires semantic code search (GrepAI + Ollama + Qdrant) and a call-graph index (GitNexus) into Claude Code a…
Corpus Search MCP
MCP server for search over any folder of markdown, with incremental indexing and a runnable retrieval eval
Springai MCP
Sprinig AI MCP demo with MongoDB
Pycontextify
A Python-based MCP server for semantic search over codebases, documents, and webpages with lightweight knowledge graph capabilities
LLM Memory
Persistent, cross-model memory for LLM assistants — MCP server in .NET 10 over Postgres + pgvector + Apache AGE. Hybrid retrieval (vector + BM25 + graph PPR + LLM rerank), bi-temp…
Scholargraph
Research intelligence API for semantic paper discovery, citation-graph analytics, authenticated annotations and MCP integration.
Vector Core
Shared vector search infrastructure for MCP servers — embeddings, hybrid search, Qdrant storage, and more
Deepindex
Local-first semantic code search + MCP tools for Claude Code. No cloud, no cost, runs on your machine.
Evelynn Lite
Watch an agent's memory being built, recalled and forgotten. One page, your own local model, and every memory shows where it came from.
Spelunk
Hybrid semantic code retrieval engine in Rust - lexical + embedding search for finding code by meaning
Dewie
Agent-native retrieval over a self-enriching corpus: hybrid search + graph navigation exposed as MCP tools, so small models can punch above their weight.
Pangu
盘古 — AI Agent 多模态记忆系统：Wing→Room→Drawer 分层存储、ONNX 本地嵌入语义检索（SQLite FTS5 + RRF 融合）、艾宾浩斯遗忘曲线与神经激活扩散；提供 REST API + MCP 服务，默认暴露 28 个核心工具，可接入 DeepSeek Harness / Claude Code 等任意 MCP 客户端。核…
Leowiki
🎓 ⊰ Diploma Thesis ⊱ : 🧰 MCP Server for Semantic Search within HTL Leonding's DokuWiki ("LeoWiki") – Serving content via Role-Based Access Control (RBAC) (Teacher/Student/Admin) a…
dfrancislyondflabc-tech/agentic-recall
bad match as though it were one. Embedding model runs locally, nothing leaves the machine. MIT.
Intent DB
A local-first vector database with an extra dimension: intent. The same corpus and query return different results depending on what the asker is doing; built for agent memory
Omega Obsidian
Persistent semantic memory MCP server for Obsidian vaults. Powered by OMEGA.
Hallouminate
A per-repo markdown wiki your coding agent writes and searches — persistent memory for Claude Code and any MCP harness, stored as plain markdown
Vault Kb
Local MCP server that makes opt-in Obsidian notes searchable by AI tools. FTS5 + semantic + link graph, runs entirely on your machine.
Scrolls
Search every Claude Code session you've ever had — local hybrid semantic search over your transcripts, zero LLM cost. Claude Code plugin.
Vlfs Local
A local, lightweight Model Context Protocol (MCP) server implementing the OpenViking standard. Turns any workspace into an intelligent, semantic virtual filesystem (VLFS) for LLM…
Brain Kit MCP
Open-source MCP memory server. pgvector + Supabase. Companion to dashbuilds.dev/brain-kit.
Memlio
Personal memory for Claude Code and Codex. Save links, notes, and files from inside the agent; find them later by describing what you remember. Local SQLite + embeddings, no API k…
Unified AI Memory
Offline-first AI memory for coding agents — one Markdown brain on your machine, shared via a local MCP server, with ONNX semantic search, RAG chat and a human-brain memory lifecyc…
Tabula
Self-hosted documentation platform — Markdown in Postgres, RBAC workspaces, Typst PDF export, and a built-in MCP server for AI agents.
Localgraph
LocalGraph is a zero-dependency CLI tool written in Go that parses repositories into SQLite relationships (Imports, Definitions, Calls). It computes semantic embeddings locally us…
Keepygaga Rag
Local-first knowledge retrieval for AI agents, combining FTS5, vector search, reranking, and traceable MCP results.
Diploma Thesis Final
MCP Server with Role-Based Access Control for Educational Content - Diploma Thesis
Bookrack
Local, offline RAG library that turns long-form books into a citation-grade knowledge base, served over MCP.
Local Lore
Offline memory layer for Claude Code that indexes local session history and enables fast hybrid search (keyword + semantic) via a secure, fully offline Docker runtime.
ExcelGRAG
Turn a spreadsheet into a queryable property graph: ask a workbook a question in words, ground the answer in specific cells. Reads XLSB with formulas. Rust, MCP.
Aec Outlook MCP
AEC-specialized Outlook MCP with Vision AI, RAG search & OCR
Vercel MCP Memory
Semantic memory server for Claude AI with OpenAI embeddings and PostgreSQL pgvector. Deploy on Vercel Edge Functions with zero infrastructure.
Symbiosis Brain
MCP memory server for Claude Code: a git-diffable Markdown vault (opens in Obsidian) with hybrid semantic search, a wiki-link graph, and bi-temporal facts — plus hooks that pull c…
Serena MCP Quickstart
One-shot installer + Claude Code skill for Serena MCP. Wires LSP-powered semantic code search/edit into any project in 30s. Default preset: Java · Vue · TypeScript · Python · HTML…
AetherDB
AI-native database with semantic search, GraphRAG, hybrid search, full-text search, and edge deployment on Cloudflare Workers
Evidence Lens
EvidenceLens is a modern AI-enabled research platform for indexing, searching, and analyzing scientific literature. It combines vector search, document retrieval, and citation-awa…
Kiro Ception
Kiro MCP Power that gives Kiro long-term memory. Indexes all CLI and IDE conversations into a semantic search engine using local or API-based embeddings. Newest-first indexing, le…
Sts X
STS-X - an AI-Agent-first code & file search engine. AST-aware chunking + BM25 + native MCP, 30MB zero-dep binary. Cuts AI token usage ~80% vs grep+Read. macOS/Windows/Linux.
Lawstar MCP
LawStar legal-data MCP - cloud-hosted Streamable HTTP server (regulation/semantic search/clause/law-reference). Chinese legal database MCP.
Semidx
Self-hosted semantic code search for your code and documents
Castalia
Indexa a documentação do seu sistema (Markdown, HTML, PDF, reST) e a entrega a agentes de IA via MCP, para que cenários de teste sejam escritos a partir das regras documentadas.
jaggernaut007/Nexus-MCP
Hybrid search (vector + BM25 + code graph) with structural code graph analysis and persistent semantic memory in a single local server. 10 tools, <350MB RAM, fully local, no API k…
OpenClawdCode
Persistent memory + context engine for Claude Code via MCP. Spiritual port of OpenClaw memory-lancedb-pro and lossless-claw to Claude Code. Local-only (LanceDB + Ollama + Obsidian…
Inkdex
Semantic search for markdown docs
Memorycore AI For Codex
MemoryCore Ai - For Codex: persistent memory via MCP with a 24-hour idle window for delayed memory consolidation, TurboVec semantic search and source-checked context to reduce tok…
Knowvault
Company knowledge with verifiable evidence. Web UI, MCP & REST API. Access control, audit, on-premises/edge. Documents + SQL today; broad connector roadmap. Apache-2.0.