"Information about Node.js or a network node" matching MCP connectors:

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.

Search and compare attributed recipe records through a public read-only remote MCP endpoint.

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.

Gateway between LLM agents and world data through eight tools and a bundled endpoint catalog.

Real public holiday lookup for 206 countries via a rule-based calendar engine. Paid via x402.

Check whether a real-world fact can be verified before an agent acts on it. Free, no auth.

Official answers about Helena Bioinformatics and its products, with citations to public sources.

What a stock price is betting on: implied growth, duration, and margin, read from SEC filings.

Verify a US business is real and who controls it. 30.9M state registry records.

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

Is this product recalled in the EU? 46,506 official Safety Gate alerts by GTIN, brand or name.

Internet censorship and website reachability: OONI network measurements, keyless

Colorado open data via Socrata SoQL — business, government, health, demographics.

National Bank of Romania (Banca Naţională a României, BNR) FX reference rates MCP. Keyless.

OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)

Public holidays for 100+ countries — by year, or the next ones coming up. Via Nager.Date.

Confirm a US business is real and find who controls it. 32.6M official registry records.

GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)

A machine-readable directory where AI products register themselves so AI agents can discover them. Ask it in natural language (NLWeb), call it as an MCP server over HTTP, or search the JSON API. Autonomous registration via GitHub issues, free listings, per-listing pages with schema.org JSON-LD.