MCP server + standalone TypeScript SDK for 40+ U.S. government and international data APIs. 300+ tools with WASM-sandboxed code mode for context
MCP server + standalone TypeScript SDK for 40+ U.S. government and international data APIs. 300+ tools with WASM-sandboxed code mode for context reduction. Covers
300+ tools covering economic, fiscal, health, education, energy, environment, lobbying, housing, patents, safety, banking, consumer protection, workplace safety, transportation, seismic, clinical trials, pharma payments, research funding, procurement, and legislative data.
Once Us is connected, these are the calls the assistant has available:
Cross-referencing — built-in instructions guide the LLM to combine data from multiple agencies (e.g., FDA adverse events + lobbying spend + campaign contributions)Disk — backed caching** — responses cached to disk, survives restartsCategory — APIsEconomic — Treasury, FRED, BLS, BEA, EIALegislative — Congress.gov, Federal Register, GovInfo, Regulations.govFinancial — FEC, Senate Lobbying, SEC, FDIC, CFPBSpending — USAspending, Open PaymentsEnvironment — EPA, NOAA, NREL, USGSJustice — FBI Crime Data, DOJ NewsEducation — NAEP, College Scorecard, USPTODemographics — Census, HUD, FEMAOther — BTS, USDA NASS, USDA FoodData, World BankCompare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.
{
"mcpServers": {
"data-gov": {
"command": "npx",
"args": ["-y", "us-gov-open-data-mcp"],
"env": {
"FRED_API_KEY": "your-value",
"DATA_GOV_API_KEY": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| FRED_API_KEY | Credential the server authenticates with. | Yes |
| DATA_GOV_API_KEY | Credential the server authenticates with. | Yes |
Contribute, challenge, verify, and query contestable public records on Veritas Acta.
UK neighbourhood research from government open data: postcode reports, comparisons, 45 datasets.
Dutch address dossier, vehicle, building, elevation, holidays, demographics. Free samples first.
Normalized official data with provenance, aggregations, insights, free samples and agent access.
Normalized official data with provenance, aggregations, insights, free samples and agent access.
Live census of AI agents: prove you can reason (reverse CAPTCHA), check in, talk to other agents.