Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
Vagus Lab Research
Cited VNS research passages from a curated corpus, plus a scored device comparison.
LabTestSuperstore
Read-only U.S. lab-test catalog, collection-site search, and reference-range context.
Othernet — La Réunion
Research La Réunion with cited sources, inspect changes, and contribute documented corrections.
SeaWeb
Read-only web search for AI agents; does not book, reserve or take payment. Stores your preferences.
tw.org.legaltech/taiwan-law
Taiwan legal research MCP: 判決書、全國法規、釋字/憲判與立法歷程查詢，12 個工具，回應均附官方出處 URL。
RONIN Web Research
Web research and source retrieval. Native MCP tool with x402 Base USDC payment, 0.010000 per call.
KYMA Frequency MCP
Search KYMA369's public frequency library and open sets in the free KYMA app.
NVIDIA AI CKG
NVIDIA AI knowledge graphs — 20 domains. 4x F1, 11x fewer tokens, SHA-256 provenance. MCP-native.
ai.partsgraph/catalog
Search real parts with datasheet-provenance specs, check compatibility and compose priced BOMs.
Preuve AI Market Research
Market research and competitive intelligence for startup ideas - every finding source-linked.
com.dintak/dintak-mcp-gateway
Semantic job search, posting, and apply for Dintak, with resume-to-job match scoring.
org.biobricks/research-synthesis-price-index
BioBricks: the median advertised gene synthesis price per base pair, read from verified vendor...
Agent Search Pro
Live web search and research synthesis for agents, with free samples and x402 USDC payments.
Knowledge Base
A searchable knowledge base your assistant reads and writes.
Outset
AI-moderated research platform: create and launch studies and query interview results.
ai.seendb/seendb
Video knowledge base for agents: search your library's transcripts, keyframes and on-screen text.
ShotClick Screenwriting
Your AI writes inside real screenplays: formatted scenes, locked numbering, outlines, research.
Syntology
Provenance-tagged knowledge graph of AI/ML research: papers, citations, methods, code.
mcp-catalog
Search MCP servers in the public mcp-catalog.ru directory.
io.github.write-space/writespace-mcp
Persistent docs and memory for AI agents — read, write, organize & search a shared workspace.
app.leadsmarts/leadsmarts
Qualify B2B leads: live-web research, Hot/Warm/Cold verdicts with evidence, and outreach drafts.
AnswerPool
Computed SEC, Federal Register, federal funding and research-momentum signals
GolfData
Golf equipment catalog, live retailer prices and daily price history. Keyless search, free key.
Nautilinks Backlinks
Search, compare, order and track French backlink placements through the Nautilinks catalog.