Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,686 servers
runx
The governed runtime for agent skills. Search the catalog and inspect a skill before running it.
OrchestKit Docs MCP
Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.
OpenCaseLaw — Swiss Caselaw, Statutes & Doctrine
1M+ Swiss court decisions, statutes & doctrine with citation graph (DE/FR/IT). CC0, free, 42 tools.
@professional-wiki/mediawiki-mcp-server
Model Context Protocol (MCP) server for MediaWiki
Codebase Memory
Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.
Marmot Data Catalog
Open-source data catalog. Search assets, explore lineage, and find ownership.
@mzxrai/mcp-webresearch
MCP server for web research
io.github.n24q02m/better-code-review-graph
Knowledge graph for token-efficient code reviews with fixed search and configurable embeddings
io.github.varun369/superlocalmemory
Local-first AI memory with knowledge graphs and hybrid search. 17+ AI tools via MCP. Free.
Octocode
AI-powered code indexer with semantic search and knowledge graphs
security-detections-mcp
Advanced MCP server for security detections with Detection Engineering Intelligence, Knowledge Graph (Tribal Knowledge), Elicitation, and Resource Subscriptions
@andrea9293/mcp-documentation-server
A TypeScript MCP server for document management and semantic search with embeddings
fred-mcp-server
Federal Reserve Economic Data (FRED) MCP Server - Access all 800,000+ economic time series with search, browse, and data retrieval capabilities
Sui Knowledge Base (kapa.ai)
Semantic search across Sui documentation and knowledge sources, powered by kapa.ai
io.github.basicmachines-co/basic-memory
Local-first knowledge management with bi-directional LLM sync via Markdown files.
io.github.silverstein/minutes
The private, owned conversation-memory layer for AI. Record, transcribe, and search every meeting.
Source Library
Search 15K rare pre-modern texts translated to English: philosophy, religion, science, literature.
yuque-mcp
MCP server for Yuque (语雀) — expose Yuque knowledge base to AI assistants via Model Context Protocol
io.github.memtomem/memtomem
Markdown-first long-term memory for AI agents. Hybrid BM25 + vector search, runs locally.
io.github.aayoawoyemi/ori-memory
Persistent memory infrastructure for AI agents. Identity, knowledge graph, and search.
@shodh/memory-mcp
MCP server for persistent AI memory - store and recall context across sessions
clawmem
On-device memory layer for AI agents. Claude Code, OpenClaw, and Hermes. Hooks + MCP server + hybrid RAG search.
openzim-mcp
OpenZIM MCP - ZIM MCP Server that enables AI models to access and search ZIM format knowledge bases offline
Kin
Connect accounts once. Set what agents may do per account. Enforced when the action runs.