"Understanding Code Relationships or Dependencies" matching MCP connectors:

MCP server for the Philippine Standard Geographic Code (PSGC) API. Gives AI agents structured access to the full PH geographic hierarchy - regions, provinces, cities, municipalities, and barangays.

Statistics for every Finnish postal code area and municipality: income, housing, crime, air quality

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.

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

Postal code lookup with place names and coordinates for 60+ countries. Via Zippopotam.us.

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.

Measured readings on open-source dependencies: health, end-of-life, model prices, incidents.

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.

Public, read-only access to ~3.9M Romanian companies (data from ONRC, ANAF, and the Ministry of Finance). Five tools: search & filter companies by name, CAEN activity, county, revenue/profit/employee ranges, and VAT status; fetch a company profile by CUI; yearly financial history; public status flags (VAT, insolvency, dissolution, e-Factura); and CAEN activity-code lookup. No authentication required.

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.

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

US ZIP code intelligence: demographics, weather, tax, crime, housing, voting, and more.

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

Establishment counts, employment, and payroll by geography and NAICS code from Census CBP

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

Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)