"Understanding Proxies or Proxy Servers" matching MCP connectors:

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Origin-signed US political data: 25,546 officials, bills, votes, positions with sources.

Weather, climate, terrain, fire and flood risk data for any point or polygon on Earth. Free tier.

SEC EDGAR fundamentals as agent tools: look up or screen US public companies. Free, no key, CC0.

Semantic search across Japan's government white papers, in English or Japanese. Free beta.

Citation-health over a CC0 citation graph: what supports, refutes, or cites a paper. Read-only.

Structured data on wheelchair-accessible & public toilets across Japan for AI agents and travel/accessibility apps. 526 Tokyo stations (each mapped to its nearest station exit) + 612 municipalities. Station names accept Japanese or romaji. Free tier with API key.

US macro & Treasury data — FRED series, yield curve, auctions, and a macro dashboard.

Query US tap-water quality from the EPA's SDWIS records — by city, system, or contaminant.

Free — no API key required. Enrich by domain or name. Country, contacts, social profiles.

Indeed listings + Glassdoor reviews + H1B salary data for career copilots.

ArXiv preprints + Google Scholar papers, with citation counts in one query.

MCP server for Yahoo Finance data including stock quotes, historical prices, company financials, and market news for AI agents.

H1B visa salary disclosures + compensation benchmarks — real numbers, not estimates.

MCP server for HR and compensation data including salary benchmarks, job listings, company reviews, and labor market insights for AI agents.

It connects with Smart Data models database with more than 1000 open licensed data models and helps you to create applications and systems interoperable with existing standards or real applications

MCP server for news and media data including headlines, articles, RSS feeds, and breaking news from multiple sources for AI agents.

250+ finance tools from Financial Modeling Prep, Alpha Vantage, AkShare, Polymarket, and Dome. Stock data, forex, financial statements, prediction markets, DCF valuations. Starts at $0.01/call. Get your API key at app.xpay.sh or xpay.tools

Fact-check claims against independent sources — fast verdict or deep multi-step investigation.

LinkedIn-data API and MCP server for AI agents. Public profiles, companies, and posts as clean JSON. No login, single X-API-Key header, 300 free credits on signup. Public data only, so no private connections or InMail.