RAG & Vector Search MCP Servers

Knowledge base for Claude Code with semantic search, feed intelligence, and teams

Code generator for Arbitrum: Stylus smart contracts, SDK bridging, full-stack dApps and Orbit chain deployment, backed by RAG over…

Persistent memory for AI coding agents. Local-first SQLite + vector search. 17 MCP tools.

Full-text financial reports (US, China, Japan, Korea, Taiwan, UK) as clean Markdown for RAG agents.

Graph-powered code intelligence with semantic search and knowledge graph for AI assistants

Semantic search across 6,236 Quran verses and 12,416 authentic Hadiths for Islamic guidance.

Persistent memory for AI assistants with semantic search and knowledge graph relationships.

Developer journal with knowledge graphs, relationships, Git context, and semantic search

Scaffold is a Retrieval-Augmented Generation (RAG) system designed to structural understanding of large codebases. It transforms your…

Local repo context for coding assistants with semantic search and graph relationships.

Full-text and semantic search over Claude Code transcript history, with exact thread recall and durable remembered facts in local SQLite.

Cross-session memory for AI agents - knowledge graph, scoring, semantic search

Local workspace memory: indexes Markdown, CSV and session logs into a vector store with hybrid search, cross-session memory and knowledge…

Persistent working memory for AI agents: a knowledge graph with semantic search and decay.

Semantic search over Polish law and case law, citing the exact in-force article.

Graph context, semantic search, guarded edits, and reviewable Git for local Obsidian vaults.

Local deterministic knowledge graph on redb with no LLM or embedding calls, BLAKE3 state hashing and canonical export for byte-identical…

Generate QA datasets & evaluate RAG systems with failure diagnosis. Any LLM.

Persistent local AI memory. SQLite + FTS5 + vector search, knowledge graph. No cloud, no API keys.

Local semantic search and RAG over Apple Notes with on-device embeddings, full CRUD, folder management and fuzzy title matching.

Two-tier memory: hot cache (0ms) + semantic search. Self-organizing.

Sourcegraph code search, semantic search, go-to-definition, find-references, and diff search.

Obsidian MCP server: semantic search, knowledge graph, and vault editing. No plugin required.

Recall over your markdown notes: vector search plus your [[wikilinks]] as a graph, in SQLite.

Semantic code & doc search with keyword boost. AST code nav, auto HF mirror, local, privacy-first.

Protected RAG storage — agents discover public metadata, content only by access token.

Compress prompts 40-60% using local LLM + embedding validation. Preserves all conditionals.

Lightning-fast RAG for AI agents. 4-layer fusion, ONNX Runtime, sub-200ms search.

Remote ChromaDB vector database MCP server with streamable HTTP transport

Local code search for agents: symbols, usages, call graph, AST patterns, grep and semantic search

Local semantic search across Claude Code conversations with hybrid vector and keyword search, background indexing and per-project selection.

Local-first memory for coding agents — MCP server, single SQLite file, local embeddings

Local server for memvid storage and semantic search.

Local-first persistent memory for AI agents — SQLite + local embeddings, MCP-native, no cloud.

Self-hosted hybrid agent memory on Qdrant combining vector search, BM25, temporal retrieval and an optional Memgraph knowledge graph via…

Convert .eml and .mbox email to clean Markdown for RAG, LLM pipelines, and local knowledge bases

Three-layer agent memory (identity, active, archive) with semantic search, graph relationships and conflict detection.

Turn any OpenAPI spec into an executable agent interface using graphs and semantic search.

Crawl websites into clean Markdown, search pages and extract structured data with LLMs for web research and RAG pipelines.

Local-first agent memory and knowledge base: hybrid dense and BM25 retrieval, document and webpage ingestion and optional RAG answers via…

IT Glue MCP server for MSPs — documents, flexible assets, semantic vector search, RBAC, and BYOK

Persistent, shared memory for AI agents — facts, checkpoints, semantic search.

Academic paper knowledge-base MCP server: PDF ingest, vector search with reranking, KB management.

Access the CustomGPT.ai RAG-as-a-service API.

Domain knowledge as a routing table people write: the agent reads one line per area, then walks to the document. Git-backed, no vector…

Structural code context via TypeScript AST analysis: compressed symbol indexes, dependency graphs and git diffs, without a vector database…

Extract clean web content for RAG and answer questions about web pages.

Local-first MCP server: semantic search over library docs. No cloud, no API key, no telemetry.

Rip YouTube transcripts to disk for AI agents, RAG pipelines, and LLM workflows.

Semantic search over classical philosophy and humanities works.

EU law for AI: EUR-Lex legislation and case law, citation graph, semantic search with asOf.

Free open-source web search and page reading for LLMs, AI agents, and RAG.

Add RAG-based AI chat to any website: local vector store, OpenAI, Anthropic or Gemini models, a self-contained chat server and an…

30 GPU-powered AI services as MCP tools. LLM, image, video, audio, embeddings & more.

Long-term memory shared by every AI coding assistant on one machine: a single local SQLite file with FTS5 search and optional multilingual…

MCP RAG: index PDFs, repos, YouTube, Discord, text; optional YouTube vision; query with citations.

Personal knowledge graph for Claude on Neo4j with typed entities, bi-temporal edges, weighted decay, contradiction detection and local…

Web design analysis with 26 MCP tools: layout, motion, quality, semantic search via pgvector

Flight recorder for RAG retrieval: logs chunks, scores, sources and rankings to audit, replay and diff retrieval runs.

Semantic search across 50,000+ food recipes with hybrid retrieval and reranking.