Research & Knowledge MCP servers

Evidence-first entity and knowledge graph MCP server for AI agents to verify claims.

ArXiv preprint search, daily category digest, and author-collaborator graph.

Verify claims with web evidence. Returns sources and verdict. x402 micropayment.

Scrypta MCP - Brazilian business data for AI agents

36 SEC, WCAG and entity-diligence tools behind 2 low-context ones: discover_tools, call_tool.

Which ATS does a company use? Portal-verified answers for 743 employers + resume ATS check. No key.

Fiber laser parts knowledge: laser sources, cutting/welding heads, CNC controls, alarm codes.

Run UX research from Claude — create card sort studies, list studies, pull headline stats.

AI-analyzed startup opportunities from Reddit, Hacker News & Product Hunt, with commercial scores.

Search Christian Perez's blog, read posts, and ask about his work, podcast, and writing.

Real founder decisions, lessons and signals from 100+ podcasts — searchable by AI agents.

Read-only Kyntrax definitions, claims, evidence status and public provenance.

One MCP server over 253 data sources: Reddit, LinkedIn, YouTube, G2, search and AI answers.

Grants and public-goods MCP: discovery, ranking, grounded drafting, open-source first.

Search and commission verified human research review through funded Research Bounties.

Japan, Korea and UK official data for AI agents: filings, FX, weather, travel, patents, AI tools.

Art provenance intelligence — 282K-node knowledge graph with cited answers and honest gaps.

Domain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.

Harness the power of names with our Name Demographics MCP. Using Agify, Genderize, and Nationalize

x402 pay-per-call tools: company enrichment, PDF extraction, Amazon/KDP data, YouTube transcripts.

Verify claims with verdict, confidence & cited sources; batch verify, source checks, daily brief.

Embodied AI & robotics MCP — 180+ companies, funding, Pulse, sector data (CC BY-NC 4.0)

Intelligence marketplace on Solana — 86 tools, 168+ endpoints, per-call USDC.

Academic literature search, retrieval, and private library management on top of OpenAlex.

Search and analyze 5,600+ companies across 30 technology verticals.

Cultural Intelligence Infrastructure for AI Agents — 200+ markets, 15 tones, 8 tools

Search ATProto writing, annotations, identity, agents, and forum posts. 12 read-only tools.

SEC filings, patent data, and trade data. 4 competitive intel tools.