#open-data

Query verified 2026 US dental cost data from Real Dental Costs: average implant, veneer, braces and procedure prices for all 50 states and 206 cities, state-vs-state comparisons, and the composite US Dental Cost Index. Open data (CC BY 4.0, Zenodo DOIs). Every response includes the source and a reference URL. Pricing/market research, not medical advice. Data: https://realdentalcosts.com

Live Calgary data - 311 communities, 497 schools, pro sports schedules, hourly events, parks and recreation. 9 MCP tools, no API key required.

Keyless open data for 84 German cities: 12 lean read-only MCP tools covering 64 data types (weather, air quality, public transit with live delays, parking, charging, energy, solar, statistics and more). Official German sources (DWD, UBA, DB, city portals), license and attribution in every response. Remote endpoint at https://mcp.infranode.dev/mcp, no install, no API key. Open source (Apache-2.0).

OpenBase is a free MCP server that gives any AI assistant instant access to data on 20M+ French companies — no API key and no signup required. It serves official French open data from INSEE, INPI, BODACC, DECP and Judilibre through 14 ready-to-use tools: company search and full profiles (SIREN/SIRET), directors and executives, financial statements and ratios, solvency scores, legal announcements, public contracts, court decisions, corporate ownership networks, and aggregated business signals (hiring, funding, public grants). Ideal for company lookup, due diligence, KYC, B2B prospecting and financial analysis. The fastest way to connect French business intelligence to Claude, Cursor and other AI agents — free, instant, open data.

Real-time infrastructure and city data for German cities via one keyless remote MCP endpoint: air quality, weather, public-transport departures with live delays, roadworks/traffic, points of interest and more (38 tools). Sources include DWD, UBA, OpenAQ, Autobahn, GTFS/HVV/VGN, OpenStreetMap and Wikidata.

Brazilian Federal Senate open data over MCP — 90 tools across the legislative process, Senate administration and the e-Cidadania portal. Cloudflare Workers, Streamable HTTP, no auth. Responses in pt-BR.

First Brazilian Model Context Protocol server for public procurement data. Connects MCP clients (Claude Desktop, Cursor, Continue) to the Brazilian National Procurement Portal (PNCP) and Federal Revenue CNPJ data in natural language. 16 tools cover bids, contracts, price-registry agreements (atas RP), agency profiles, supplier history, and Annual Procurement Plans (PCA). MIT licensed, no auth required, daily smoke tests against live endpoints. Install: npx @licinexusbr/mcp

Saudi Open Data MCP provides a governed interface to approved official Saudi datasets through explicit connectors, typed normalization, registry-backed metadata, and snapshot-backed querying. It is designed for internal or evaluator-controlled use where source boundaries, deterministic tool behavior, and transparent freshness metadata matter more than broad catalog coverage.

Official NYC property, building, and venue intelligence for AI agents. Use when the user is asking about a specific NYC address, landlord or building risk, open violations or complaints, or restaurant/venue safety and quality in a neighborhood. Example user requests: "Is this a bad landlord?" / "Are there open violations on this building?" / "How safe and clean is this restaurant?" — Four tools: resolve_property_identifier, get_property_intelligence, get_building_violations, get_restaurant_venue_intel. Typical use cases include real estate due diligence, portfolio and lender risk assessment, building compliance audits, tenant advocacy, landlord background research, and restaurant/venue discovery. Get your API key at nycapi.app.

Swiss open data MCP server — transport, weather, geodata, companies, etc,. Zero API keys.

15 anti-Orwellian defense tools for AI agents. Analyze doublespeak, track surveillance funding, assess whistleblower risks, verify media provenance, search threat registries, map country risk, and more. Fully open, no API key required. CC-BY-4.0.

MCP server with 188 tools for 36 U.S. government APIs. Access Treasury, FRED, Congress, FDA, CDC, FEC, lobbying disclosures, SEC, USGS, and many more. Cross-references data automatically across sources. 18 APIs need no key.

Access official Slovak business register data (RPO). Query 1.4M+ legal entities by name, IČO, or municipality. Returns company details, statutory representatives, shareholders, and business activities. Built on open government data (CC-BY 4.0).