Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
Engram
Git-backed markdown memory for AI agents; search hides superseded and archived notes.
Quipu
Local knowledge graph memory for agents. SHACL rules refuse bad facts; SPARQL and time travel.
mwe-mcp — Memory Wiki Engine
Self-hosted multi-user memory for AI agents: a human-readable Markdown wiki with per-fragment ACL.
mcp/aws-kb-retrieval-server
An MCP server implementation for retrieving information from the AWS Knowledge Base using the Bed...
TypesenseKit
95 typed Typesense operations for AI agents through an MCP server that is read-only by default.
io.github.springbrand-lab/springbrand
GTM tools for agents: social listening, traffic and SEO research, lead and creator discovery
DataDive
Amazon niche, keyword, competitor and Rank Radar research from your DataDive account.
AI Tool Directory
Search 2,000+ AI tools: pricing, alternatives, comparisons, and live, dead or acquired status.
ESG Hub MCP Server
ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.
PremAgentic
On-premises knowledge retrieval, with the rules you set enforced before anything is retrieved.
com.nobleblocks/nobleblocks-mcp
Search 340M+ academic papers — citation graphs, semantic similarity, and AI literature reviews.
@kiviui-mcp/server
Production-grade MCP server for Kivi UI — Notes & Knowledge Base
Rayana AI
Read-only impersonal market research: portfolio rankings, ticker scores, signals, daily briefs.
agentic sinkhole research
research honeypot / measurement mcp surface: zero-auth deterministic inbox + otp extract, ephemer...
QFactory
Read-only QFactory catalog of agent workflows: search, get exact versions, schema, validate YAML.
The Wiley Rule (public data)
Read-only public data on 7-OH and related products: research, test results, FDA actions, state laws
Founder Ventures
Read-only search over the Founder Ventures library on bootstrapped SaaS, plus founder events.
Altair
Free TradingAgents equity research reports and Altair pages; paid signals feed via x402 inside MCP.
Al-Taswia Iraqi Law Research
Read-only search of Al-Taswia's published Iraqi law articles. General information, not legal advice.
Pillwise
US medication lookup: drug search, forms and strengths, NDC/RxCUI, recalls, shortages.
WIA GIL: hotels, places, travel basics
City search, nearby hotels and places, country travel basics, reference exchange rates, distances.
White Automotive & Media Services Catalog
Read-only catalog search for GM infotainment, cluster and electronics module parts.
Helsama
Hemp from Gotland: product catalog, knowledge base and open lab data per batch.
@solrouter/mcp-server
SolRouter MCP Server — privacy-first AI tools for any MCP client