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.
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process.env. You'll be asked to provide them before it can run.SAM_GOV_API_KEY— The MCP server runs keyless by default. For higher SAM.gov rate limits + the full archive (notices older than ~12 months), set in your host's env block:[](https://m8ven.ai/mcp/cliwant-mcp-sam-gov-14difu)