14 #open-data MCP Servers & Clients

Swiss open data for AI — zero config, zero API keys

vikramgorla

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

NYC Property & Venue APIs

MATCHUP-LABS

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 b

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).

nimistu — Estonian Business Register (Äriregister)

Nimistu

# nimistu MCP – Estonian Business Register for AI Assistants

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.

Licinexus Mcp

Licinexus

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.

Realdentalcosts Mcp

tresor4k

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 t

Discover Calgary

msugu

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

Dados B3

Valth Guimarães

Auditable fundamentals for the Brazilian stock market (B3): ROIC, margins, point-in-time multiples, dividends and REITs. Every figure traces back to the CVM account it came from, every formula is published, and nothing s

Evidence-based data on humanoid robots & quadrupeds from Roboterradar, the German robotics magazine: RadarScore ratings (21 robots, 6 axes) with evidence grades A-D, verified prices, DACH/EU availability, and a German im

HORIZON SHIELD: construction and renovation estimate auditor (Japan)

ogasurfproject-jpg

Checks if a Japanese construction or renovation estimate is fair and flags overcharge risk. Attach your estimate and get a red-flag audit.