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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.
Deepcontext
MCP server enabling symbol-aware semantic search in Claude Code
NeuronCite
Local, privacy-preserving semantic document search engine with citation verification
Codewalk
AI-powered codebase onboarding tool — point it at any repo and ask questions about the code. Uses tree-sitter parsing, RAG, and local LLMs.
Notarium
File-first knowledge base for humans and AI agents — self-hosted Markdown notes with a web editor and a built-in MCP server.
Zemail
Semantic search over your Gmail, from inside Claude Code. Embeds your full inbox with zembed-1 and reranks with zerank-2 — finds emails by meaning, not keywords.
Rag Ferrite
Personal RAG engine — simple, fast, Rust. One binary (15 MB), one DB, native collections. MCP-native.
Carrymem
Your portable AI memory — preferences, decisions, and corrections that follow you across models, tools, and devices. Zero-dependency, local-first, 85% PrefEval accuracy.
Frigg
Fast local code intelligence for AI agents powered by AST Treesitter, SCIP, semantic search and a reranker
OpenPraxis
Superseded by SuperX (github.com/k8nstantin/superx) — kept public as prior art. Spec-driven platform for autonomous coding agents: products → manifests → task DAGs, agents in isol…
SoupNet
Your taste and judgment, in every AI agent you use. Shared, append-only memory of a human's judgment calls - agents recipe-check via MCP or plain URLs. MIT, self-hostable.
Searchless Ngx
Stop searching your documents. Start asking them. Transform Paperless-ngx into a conversational AI assistant using Agentic RAG and the Model Context Protocol (MCP).
Claude Context Enhanced
Enhanced fork of claude-context with stability fixes, improved sync, and better reliability for semantic code search
ResearchGravity
Metaventions AI Research Framework — Multi-tier signal capture for frontier intelligence. Architected Intelligence.
Precis MCP
MCP server giving LLM agents a seven-verb API over papers, documents, code, state, patents, and cached web/Wolfram/YouTube tool calls
Sivru
Code search and session observability for coding agents. Hybrid BM25+semantic, optional cross-encoder rerank, self-bench on your own data. npm install -g @sivru/cli
Promptbook MCP
🤖 Store, search, and organize your AI prompts easily with RAG-powered semantic search in this plug-and-play server for developers.
Chunker MCP
This cli tool/Model Context Protocol (MCP) server chunks source code files using LangChain's RecursiveCharacterTextSplitter and stores the resulting chunks in a ChromaDB vector d…
Semango
🥭 Semango is a hybrid search engine that combines lexical (BM25) and semantic (vector) search. It ships with an MCP server, a simple HTTP API and optional embedded UI.
Lien
Local-first semantic code search for AI coding assistants. Indexes your codebase with local embeddings and serves context over MCP — find code by meaning, check impact before edit…
Extensible MCP
MCP proxy with on-demand server loading, searchable tools, and pluggable filters for access control
Cocoindex Claude Code
Complete knowledge base system with semantic search for Claude Code CLI. Powered by CocoIndex, PostgreSQL + pgvector, and MCP protocol.
Mscodebase Intelligence
Intelligent codebase search & indexing for Zed. Async MCP server featuring LanceDB/BM25 hybrid search, multi-bucket RAG, and autonomous self-healing workflows. High-performance, m…
TokenKeeper
Local RAG memory for Claude Code -- reduce prompt tokens by ~80% with hybrid semantic + keyword search
Aleph Docs
Multimodal documentation-aware LLM knowledge system: MCP server + pgvector semantic memory with Ebbinghaus forgetting curve + live 3D viewer. Embeds Markdown, images, video, audio…
SafeFlo
Local MCP server giving Claude Code persistent agent memory: hybrid FTS5 + vector search, episodic/semantic/procedural lifecycle, no network calls, no install scripts.
Harborclerk
An MCP server that lets AI agents query your document archive instead of uploading it — with OCR, hybrid search, and cited local-AI answers in a private, Mac-native app.
Doc Search MCP
Local MCP server that indexes PDFs, EPUBs, HTML, Markdown and text files and makes them searchable by LLM coding agents — keyword (FTS5/BM25), semantic, and hybrid search, entirel…
Skeinrank
SkeinRank — Domain Language Control Plane for enterprise search, RAG, and AI-agent workflows.
Discord Archive
Archive Discord servers to PostgreSQL and query them from Claude Code over MCP — SQL, interaction graph, and semantic search — plus a 3D galaxy visualizer.
Cortex Agents Infra
The High-Performance, Hardware-Adaptive Knowledge Engine for MCP Agents: Hybrid Graph-RAG & Atomic Concurrency Control.
Neurostack
Index and search Markdown vaults as knowledge graphs to provide AI agents with persistent, structured long-term memory across sessions.
Bdh Graph Harness
Graph-based retrieval for Obsidian vaults with Hebbian synaptic plasticity
Copal
Self-hosted, headless personal knowledge hub — a persistent memory layer (MCP + REST) for your LLM assistants. Postgres + pgvector.
Semantic Code MCP
Semantic code search MCP server: Tree-sitter AST chunking + voyage-code-3 embeddings + hybrid retrieval (sqlite-vec + FTS5 + RRF) + Voyage rerank-2.5 + call graph expansion
Lemurkit
AI Sovereignty - The team cognition for AI agents. The remote MCP connector on Cloudflare. KV is for Transactive Memory System, R2 is for Shared Knowledge and Mental Models. D1/Ve…
Supernova MCP Rag
A practical POC demonstrating how to build and run a local MCP server with Retrieval-Augmented Generation (RAG) for semantic search over internal documentation. Leverages Node.js,…
Hybrid Vision
Hybrid Vision is a local "Visual Memory" server for AI Agents (Claude, Cursor, etc.). It acts as a Semantic Recorder that efficiently captures, indexes, and lets agents query your…
Tfmodsearch
TFModSearch — MCP server for AI agents (Claude Code, Codex, Claude Desktop) to search Terraform AWS module docs with hybrid search: semantic (bge-base-en-v1.5), BM25, and keyword…
Chunksilo
Local semantic search over your documents via MCP. pip install, point at your docs, search by meaning.
Ohmyrepos
Oh My Repos: Semantic search for GitHub starred repositories.
Memlog
Markdown notes for humans, MCP-native for AI agents.
Memoraeu MCP
Zero-knowledge persistent memory layer for Claude — AES-256-GCM encrypted, semantic search, EU hosted. MCP server for Claude Desktop.
Agent Session Mirror
Best AI Coding Agent Observability Tool 2026 - Self-Bench & Semantic Search
Memoraeu Server
Zero-knowledge persistent memory layer for LLMs — AES-256-GCM encrypted, semantic search via Qdrant, MCP server for Claude Desktop / Sovereign European MCP memory layer — self-hos…
Paperclip Plugin Codrag
The official CoDRAG plugin for Paperclip. Give every AI agent deep structural codebase knowledge, blast radius analysis, and semantic search via MCP.
Celeste For Claude
Claude Code skills for Celeste CLI — graph-based code review, semantic search, dependency analysis via MCP
Nobrainr
Persistent memory and knowledge graph for AI agents via MCP — PostgreSQL + pgvector + Ollama
Ccc Plugin
Claude Code plugin for cocoindex-code: semantic retrieval via MCP, git-hook auto-refresh, one-command project onboarding
Pubmed Ml Platform
End-to-end ML platform for semantic search over PubMed biomedical abstracts
Lit Monitor
Literature monitor — ranks new papers by similarity to your Zotero library and generates structured Obsidian notes via LLM extraction.