us-gov-open-data-mcp

Overview

The us-gov-open-data-mcp server provides comprehensive access to US government data through 300+ tools across 40+ APIs. It supports cross-referencing data from multiple agencies, with code mode for JavaScript execution and selective module loading. The server offers both MCP server functionality and a standalone TypeScript SDK, with disk-backed caching and rate limiting. It integrates seamlessly with VS Code Copilot, Claude Desktop, and Cursor.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• getObservationsgetObservations(seriesId: string, options?: object)

  Retrieve economic data observations from FRED API

  Try:Show me current GDP dataTry:Get unemployment rate for 2023
• searchBillssearchBills(query: object)

  Search for congressional bills by various criteria

  Try:Find bills related to climate changeTry:Show me sponsored by Representative Smith
• getAdverseEventsgetAdverseEvents(drugName: string)

  Retrieve FDA adverse event reports for a specific drug

  Try:Show adverse events for OzempicTry:Get reports related to COVID vaccines
• getLobbyingDatagetLobbyingData(year: number, quarter?: number)

  Access Senate lobbying disclosure data

  Try:Show top lobbying sectors for 2023Try:Get tech lobbying data for Q1 2022
• getSpendingDatagetSpendingData(filters: object)

  Retrieve federal spending data from USAspending.gov

  Try:Show COVID relief spending by stateTry:Get contracts for defense department
• getClinicalTrialsgetClinicalTrials(drugName: string, condition?: string)

  Search clinical trials data by drug or condition

  Try:Find trials for cancer drugsTry:Show trials related to Alzheimer's
• getCensusDatagetCensusData(dataset: string, geography: string)

  Retrieve demographic data from US Census

  Try:Get population by stateTry:Show income data for California counties
• getEnvironmentalDatagetEnvironmentalData(type: string, location: string)

  Access environmental data from EPA or other agencies

  Try:Show air quality for New YorkTry:Get water pollution data for Michigan
• getSECDatagetSECData(filingType: string, company: string)

  Retrieve SEC filing data for public companies

  Try:Show recent 10-K filings for AppleTry:Get insider trading reports
• getWeatherDatagetWeatherData(location: string, date?: string)

  Access historical and current weather data from NOAA

  Try:Show weather for Washington DC last JulyTry:Get historical hurricane data for Florida
• getPatentDatagetPatentData(terms: object)

  Search USPTO patent database by terms or assignee

  Try:Find patents related to AITry:Show recent patents assigned to Microsoft
• getElectionDatagetElectionData(year: number, type: string)

  Retrieve FEC campaign finance and election data

  Try:Show top donors for 2022 senate racesTry:Get super PAC spending data

Note: Tools inferred from API documentation references and SDK examples in the README. The server claims 250+ tools but documentation references specific SDK functions that would become MCP tools.

Comparable tools

Installation

npx us-gov-open-data-mcp

{
  "servers": {
    "us-gov-open-data": {
      "command": "npx",
      "args": ["-y", "us-gov-open-data-mcp"],
      "env": {
        "FRED_API_KEY": "your_key",
        "DATA_GOV_API_KEY": "your_key"
      }
    }
  }
}

{
  "mcpServers": {
    "us-gov-open-data": {
      "command": "npx",
      "args": ["-y", "us-gov-open-data-mcp"],
      "env": {
        "FRED_API_KEY": "your_key",
        "DATA_GOV_API_KEY": "your_key"
      }
    }
  }
}

FAQ

How many API keys do I need?

20+ APIs require no key. The remaining APIs use free keys that take under a minute to obtain.

Can I use specific modules only?

Yes, you can selectively load modules using the --modules flag: --modules fred,treasury,congress

On Hacker News

Recent discussion from the developer community.

• US Government Open Data MCP▲ 2
  Story by Insight54 · 2026-03-03

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