"Information on Air Quality Index (AQI)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
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
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.
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.
Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data.
A Model Context Protocol server that provides Philippine License to Sell (LTS) verification data to LLMs. Built on Cloudflare Workers with Supabase. Public, read-only, no authentication required. Data sourced from the Department of Human Settlements and Urban Development (DHSUD) License to Sell registry and cross-referenced with published real estate projects on REN.PH.
Search and download free CC0 GLB models and game packs, and submit new ones on a user behalf.
IOCs (URLs, domains, IPs, hashes) shared by the infosec community on X/Twitter. No auth, CC0.
Dated, sourced trust receipts on local businesses. Attests facts; never approves the booking.
Verify a company on GLEIF LEI and SEC EDGAR, screen sanctions. No key; quota-free data.
Read-only public data on Georgia's prisons: population, facilities, deaths, contraband, statutes.
Daily sovereign-credibility and macro scores for 169 emerging markets, built on free public data.
Finnish postal-area and municipality statistics; rank, compare, history, air quality; paywall-aware
Fax Line Index: the site's own MCP server — dataset; every answer cites the site.
Global scheduled passenger flight routes: which exist, direct or connecting, and days flown.
Check any company's witnessed trust record on the Trooth Network, live and read-only.
DRGSystem exposes the official German medical coding catalogs as MCP tools: ICD-10-GM diagnoses and its alphabetical index, OPS procedures, G-DRG case groups, additional payments (ZE), PEPP, the German coding rules (DKR), SEG-4 recommendations, ATC substances, hospitals by Institutionskennzeichen and Leistungsgruppen under § 135e SGB V — every catalog year from 2010 to 2027. No account, no API key: the endpoint answers anonymously within fair-use limits.
Space weather: Kp index, NOAA 3-day geomagnetic forecast, solar flares, aurora visibility.