Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
remnote-mcp-server
MCP server bridge for RemNote knowledge base
@unified-product-graph/mcp-server
Local MCP server for .upg files. Read and write product knowledge graphs offline.
@zeeuw/bag-of-holding-mcp
Model Context Protocol server for @zeeuw/bag-of-holding. Exposes the SRD 5.2 rules kernel — dice, checks, combat, conditions, XP, beats, movesets, SRD lookups — as MCP tools, plus long-campaign persistence (namespaced memory log with hybrid semantic searc
openalex-mcp
A Model Context Protocol (MCP) server that provides access to the OpenAlex API - a fully open catalog of the global research system covering over 240 million scholarly works.
@conduitai-app/mcp-server
MCP server for conduitAI — search, browse, and install AI tools from the conduitAI catalog
@0latency/mcp-server
MCP server for 0Latency — persistent memory layer for AI agents. Give Claude, Cursor, or any MCP client long-term memory.
memorizedmcp-ts
A Bun-powered MCP server that provides hybrid memory, document intelligence, and knowledge-graph tooling.
mcp-memory-libsql
High-performance persistent memory system for Model Context Protocol (MCP) powered by libSQL. Features vector search, semantic knowledge storage, and efficient relationship management - perfect for AI agents and knowledge graph applications.
@sdsrs/code-graph
MCP server that indexes codebases into an AST knowledge graph with semantic search, call graph traversal, and HTTP route tracing
io.github.BalajSaleem/criterion
Semantic search across 6,236 Quran verses and 12,416 authentic Hadiths for Islamic guidance.
GodotLens
Godot's own view of your GDScript project: code, scenes, and the running game
Postgram
Self-hosted memory for AI agents with hybrid search, knowledge graphs, tasks, and document sync.
Turbo Quant Memory
Local-first memory and knowledge graph for coding agents. Compact retrieval, no network.
io.github.cyanheads/uniprot-mcp-server
Protein research over UniProtKB: search by function, fetch curated records, map IDs, proteomes.
Project Noosphere
An open knowledge commons for AI agents: search versioned how-tos, report whether they worked.
Yagami AI Context Firewall
Open-source AI context firewall for governed model, retrieval, memory, and tool access.
PersonalKnowHow
Live public demo: query one person's learning and work history as a knowledge graph via MCP.
@open-lattice/mcp
MCP server for OpenLattice — search topics, browse resources, submit expansions, submit claims, and earn reputation via the Model Context Protocol
Nota
Read-only crypto research skills that check a price, RSI and ATR against independent sources.
@soarescbm/mcp-glpi
MCP server for GLPI ITSM integration — exposes tickets, assets, users, projects and knowledge base via Model Context Protocol
senuto-mcp
MCP server for Senuto API - SEO visibility analysis and keyword research tools
crossref-complete-mcp
MCP server for accessing all Crossref API endpoints including works, journals, funders, members, and types
tailwindcss-docs-mcp
Local semantic search for Tailwind CSS documentation via Model Context Protocol
jarvis
A 100% private AI voice assistant that lives on your computer (works offline). Talk naturally as if Jarvis is a third person in the room, and get conversational responses. It remembers everything, knows location and time, can check the web, control Chrome, track nutrition, and more with support for unlimited MCPs / tools without context rot.