Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
LeadMarina
Verified local-business leads: search by niche and US city, export to Close, GoHighLevel or Sheets.
com.measuretechpro/agent-door
The full CRM for contractors, asked directly: crew pricing, knowledge base, forum, roadmap.
com.myprivacyagent/public
Read-only opt-out guides, removal routes for 950+ data brokers, and privacy library search.
com.printinglabs/printing-labs
Corporate gifting: catalog search, bulk GST pricing, quotes, meetings, HR welcome-kit automation.
com.situationatlas/mcp
AI-summarized filings from 7 markets with special-situations screens, for research agents
Songs To Your Eyes — production music catalogue
Search 18,594 production-music cues by mood, sound and exact runtime. Instant preview links.
TestWell Lab Tests
Cash-pay lab tests: catalog search, all-in quotes by state, draw sites by ZIP, reviewed ranges.
com.tunnelpowered/knowledge-base
Search verified local businesses, check what their verification proves, and message them.
Ask Helena
Official answers about Helena Bioinformatics and its products, with citations to public sources.
Idencify
Whole-repo code graph for AI agents: impact analysis, dead code, cycles, semantic search — 14 tools.
a9n9 Deep Research
Objective-driven deep research: free daily quick search plus MPP-paid cross-source browser reports.
The Network Catalog (webGCP)
Semantic search over The Network catalog (skills, agencies, roles) with signed webGCP provenance.
ViralQuery
Protected research briefs, bounded scrolls, and private video feeds for agents.
Nexus Memory
Owner-scoped Nexus memory: search, facts, captures, KYC. Not Mochii's work graph.
AIsa Web Search & Research
Web search and page extraction across several independent search providers.
Pickleball3 Paddle Catalog
Read-only paddle search, specifications, comparisons, scores, and verified purchase links.
FRTracker — Federal Regulatory Research
Source-linked US federal regulations: CFR provision history, obligations, rules, comments.
dk.humanified/trinity-research
Fact-check claims against live web sources: verdict, consensus, cited sources, PII redaction.
Falconer
Search, read, create, update, and organize company knowledge in Falconer.
Rootr
Connect your team's living knowledge base — docs, data, issues, CRM — to Claude and ChatGPT.
Remly
Search and retrieve permission-aware knowledge from connected sources through Remly.
Nexlab MCP
28 MCP servers behind one endpoint: earth, sky, policy, records and research
Captia Industrial Knowledge
Industrial glossary, protocol reference, technical search and OEE calculation. Read-only.
dev.workers.perch-app.corvid/corvid
Persistent memory for AI agents. Semantic recall by meaning, not just keywords. No signup needed.