Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
igvf-catalog-mcp
MCP server for IGVF Catalog genomics knowledge graph
mcp-rgek-server
MCP Server for RGEK Knowledge Base
world-reference-mcp
World-reference data (taxonomy, OBO terms, nutrition, observations, Wikidata alignment) MCP server and scion-sdk source adapters
creo-mcp
An MCP server with tools for CAD interaction and knowledge base retrieval.
china-a-stock-mcp
Model Context Protocol server for Chinese stock market research (A 股 / 港股 / 公募基金)
helix-mcp
Clinical evidence synthesis MCP server — ClinicalTrials.gov, PubMed, and openFDA in one call
agent-memory-mcp-server
Persistent memory for AI agents — store, retrieve and search knowledge across sessions
browse-mcp
A MCP server for searching and downloading academic papers from multiple sources.
Stable Baseline
End-to-end agent-managed company brain. Docs, diagrams, plans, databases, agents, Knowledge Graph.
@iflow-mcp/code-research-server
A Model Context Protocol server
whitebit-mcp-setup
Security research PoC - vacant uvx/pip name whitebit-mcp-setup
Freshdesk
MCP server for Freshdesk — tickets, contacts, companies, agents, groups, and knowledge base.
sheets-finance-mcp
MCP server for SheetsFinance formula catalog — search, build, and describe spreadsheet formulas
Onion Search
Local, read-only onion search and text retrieval over Tor with content filtering.
mcp-kb-sqlite
Local long-term memory MCP server backed by SQLite FTS5
pustaka-mcp
MCP server for searching thesis full text from 75+ Indonesian university repositories
atomno-mcp-egrul
MCP server for Russian EGRUL / EGRIP lookups via ФНС open-data (search, cards, founders, director, bulk).
web-researcher-mcp
Your AI research assistant that cites real sources and stays honest — web search, content extraction, and multi-source research over MCP.
aws-events-mcp
AWS Events MCP Server - discover, search, and filter the public AWS Events catalog over the Model Context Protocol
peptiko-mcp-server
MCP server for Peptiko — research-grade peptide catalog, pricing, reconstitution calculator, and availability in Moldova/CIS/EU
essencescholar-mcp
MCP server exposing EssenceScholar deep research and paper workflows as agent tools
alaya-mcp
A second brain -- FastMCP server for personal knowledge vaults (zk and Obsidian)
@iflow-mcp/mcp-memory-domain-knowledge
MCP server for enabling memory for Claude through a knowledge graph
@astrivya/memnoth-mcp
memnoth MCP server — Model Context Protocol server for memnoth memory. Name reservation placeholder.