"How to use the eBay API to find recent sales prices" 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.
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.
Money, FX, capital-market and metadata-only China macro evidence with source clocks and limits.
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.
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.
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.
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.
25 deterministic data, repository, API, and public-web utilities with Base-USDC x402 pay-per-call settlement.
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.
AgentBridge is the only MCP server that gives AI agents access to structured China knowledge assets—university reports, industry briefings, policy analysis, and real-time web content—through x402 micropayments on Base. Everything is machine-readable, pay-per-use, and settled in USDC.
Search and compare attributed recipe records through a public read-only remote MCP endpoint.
One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.
