"The most widely used models" matching MCP servers:

Per-unit cost of 13 back-office tasks done by a person vs by software, in the US, Greece and Ukraine, with an official statistic behind every hourly wage. Bundled data, works offline.

Provides access to Danish energy data from Energinet, including real-time electricity spot prices, CO2 emissions, and production mix. It enables users to monitor grid status and identify the most cost-effective hours for energy-intensive tasks.

Provides current weather and forecast data for any city via OpenWeatherMap. Can be used with Ollama or Claude Desktop for natural-language weather queries.

An MCP server connecting AI models to the Swiss Federal Parliament via the Curia Vista OData API, enabling queries of motions, votes, members, sessions, and debate transcripts without authentication.

A bridge between large language models and Dutch parliamentary data, providing access to Dutch parliamentary documents, debates, and member information from the Tweede Kamer.

Enables querying official Brazilian Central Bank PTAX dollar closing exchange rates by specific date, date range, or most recent available quotation.

Enables AI assistants to query Brazilian public data from IBGE, Banco Central, INMET, and Câmara dos Deputados, including population, economic indicators, weather observations, and legislative information, without requiring API keys for most tools.

Discovers and routes across 251+ x402-enabled payment services with smart routing strategies (cheapest, fastest, most trusted) and signed attestations. Provides real-time health monitoring, facilitator compatibility checks, and service quality scoring for the x402 agent payment ecosystem.

Enables access to New York Times content through 5 specialized tools including article search, real-time news wire, most popular articles, monthly archives, and bestseller lists.

Enables AI assistants to consult public data from the Paraná State Court of Auditors (TCE-PR), including construction records, bidding processes, court decisions, process consultations, and portal information.

The most comprehensive keyless federal-data MCP server. 36 tools for SAM.gov + USAspending + Federal Register + eCFR + Grants.gov. No API key, no registration, no signup. Works in Claude Desktop, Claude Code, Codex CLI, Cursor, Continue, Gemini CLI, and any MCP-aware host.

A full-featured MCP server for the Kaggle API — competitions, datasets, kernels, models, benchmarks, and discussions.

A read-only MCP server that answers questions about GTFS transit feed quality from the published gtfsscorecard.org scorecards: letter grades, the fixes that matter most, and score history. It runs locally over stdio with no API key and no write tools.

Enables AI agents to perform general-purpose open-source intelligence lookups across domains, infrastructure, identity, social media, and threat/breach sources through a unified MCP interface, with most tools free and no API keys required.

This MCP is used to get realtime food data from OpenFoodFacts database. OpenFoodFacts is a largest food database in the world.

Provides access to Hong Kong government auction data for confiscated, used/surplus, and unclaimed items via a FastMCP interface.

Provides access to 7 free government and open data APIs including NOAA weather, US Census demographics, NASA imagery, World Bank economics, Data.gov, and EU Open Data through 22 specialized tools, with most requiring no API keys.

Enables search and retrieval of calibrated SWAT+ watershed models, national groundwater lithology and PFAS inventories, plus API-key-secured ordering and downloading of custom watershed models.

Enables AI agents to query real-time and historical Formula 1 data, including Grand Prix meetings, sessions (races, qualifying, practice), drivers, and lap times or telemetry, with support for filtering by year, country, session, and driver. Can be used via the Pipeworx gateway or as a local stdio server.

A comprehensive MCP server implemented in TypeScript that provides access to the German BIM Portal REST API, enabling querying of organizations, building properties, LOINs, domain models, and AIA resources through natural language.