"Using the Vercel API" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Catch AI-fabricated citations (real DOI + fake title). Retraction, open-access, 10,000+ CSL styles.
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.
Money, FX, capital-market and metadata-only China macro evidence with source clocks and limits.
French public-data MCP: cross-ref health, demographics, business, geo & real-estate.
Clean SEC EDGAR company financials for AI agents — normalized income statement, balance sheet, cash flow, computed ratios, company profiles, filings, and 10-K/10-Q narrative sections (Risk Factors, MD&A) for 10,000+ US public companies. 5 tools: get_fundamentals, get_ratios, get_company, get_filings, get_sections. Free tier, no card.
Search US product recalls (FDA, USDA, CPSC) via MCP. Free API keys or $0.025 USDC/call on Base via x402. Tools: search_product_recalls, search_product_recalls_by_upc, search_product_recalls_from_image. Docs: https://recallkitchen.com/docs/ GitHub: https://github.com/Recall-Kitchen/rk-mcp
Rights-aware censorship, China-economic status, and tamper-evident AI evaluation tools.
Verified brand claims with receipts for agent commerce. Ranking is never paid; the engine is open.
US federal contract recompetes with the incumbent named, awards by company, agency spend.
Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.
Search otwarteAPI.pl — a catalog of 53 official public Polish and EU APIs (VAT white list, KRS, GUS, NBP, ECB, Eurostat, VIES and more), curated for AI agents. One tool: find the right API by natural-language query. No API key, no signup.
Verify phone numbers, emails and IPs, and check remaining plan credits.
CLSTR reads 100,000+ articles a day from 40,000+ sources in 170+ countries and deduplicates them into single events, then links related events into ongoing situations with a maintained summary and a full timeline. An agent can answer what has happened over the last six weeks, not just what a single headline says right now.
Verified data on 8,000+ AI tools for any AI assistant: live status, pricing reality, user sentiment, viability, and alternatives, every answer carries a last-verified date. Free, read-only, no auth.
Sourced carbon emission factors + audit-traced calculations an AI can cite.
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Live Australian grocery prices from Woolworths, Coles, Aldi and Harris Farm.
Verified US local service providers across 10 home-services trades. Ratings, hours, no API key.