Research & Knowledge MCP servers

Verify AI outputs against real sources. Returns a trust signal and permanent doc number.

Keyless x402 compliance on Base: $0.001 OFAC wallet screen, $0.05 pack, $0.95 company file.

Search 8.5M scientific papers with LLM TLDRs, citations, linked entities, figures, and full text.

Scripture-cited answers to any Bible question, plus verse text and study pages, for AI agents.

cc0pedia CC0 database + cc0.company agent services as MCP tools, paid per call via x402 on Base.

Adversarial behavioural-bias engine — audits your decisions for cognitive biases via your own AI.

Korean-Japanese bilingual community. Read public posts/comments, route Korea/Japan queries.

Obsolescence-risk screening: predicts if a product gets absorbed into core LLM-platform features.

PubMed molecular-hydrogen medical literature with delivery-aware safety notes inline.

Connect to Hugging Face Hub and thousands of Gradio AI Applications

Genealogy charts and posters

Your private knowledge base: upload documents (.md, .txt, .docx, PDF, images), the platform indexes

X feedback discovery, noise-reduced query planning, signal filtering, and AI handoffs.

Brand-neutral cutting tool reference: grade cross-reference, materials, turning starting values.

Thor Henning Hetland's signed knowledge web: plan, load and verify ed25519-signed KCP units.

Entity-resolved NIH grant corpus (FY1985-2026) via 14 read-only, provenance-carrying MCP tools.

Proofzo: the site's own MCP server — dataset; every answer cites the site.

Fitouto: the site's own MCP server — dataset; every answer cites the site.

AI 與科技名詞白話解釋、概念比較與入門教學（繁體中文）。

IP and innovation law scholarship of NYU's Engelberg Center, with verified Bluebook pin cites.

Web search, scraping, Google Trends and data lookups. Paid per call in USDC on Base via x402.

Threewayly: the site's own MCP server — dataset; every answer cites the site.

Objective-driven deep research: free daily quick search plus MPP-paid cross-source browser reports.

AI document intelligence: extract, summarize, claim-check, notarize, and signed action receipts.

Signed verification attestations for agent decisions: business, price, freshness, claim checks.

Buy adversarially-debated AI product ideas over x402: $0.10 pulls, $1 buyouts, USDC on Base.

Verify citations in AI text: fetches each cited source, returns verdicts with evidence quotes.

Registry of companies selling AI agents identity, phone, email, addresses, money, legal, insurance