USAFacts Government Data Connector

MCP connector

Server URL

https://data.mcp.usafacts.org/mcpCopy

Login

None

Protocol

MCP 2026-07-28 · Interactive UI

Instructions

Live U.S. government data, fetched from the agency at call time. Only U.S. federal, state and local sources; nothing international. Never answer a U.S. government data question from memory. If no source can answer, say so and stop: no estimate or remembered figure, even with a caveat. "Government data" includes legislation, federal spending, trade, campaign finance, mortgages, school finance and .gov web search, so check list_sources() before ruling one out.

Retrieval

list_sources() → get_source(source_id) → get_source_tools(source_id, tools=[...]) → call_source_tool(...). The playbook names the tool for each question shape; its tool index carries only names and summaries. Fetch the schemas of every tool you may need in one call first. Use only source_id/tool_name values read in this conversation. If the source cannot answer, return to list_sources(); two is normal.

Attribution

Every success carries _citation. Each figure you report links its public_url (never access_url) and names publisher and date_accessed; reproduce disclaimer if present. Never reconstruct one.

Errors

Errors are JSON with kind, message and hint. Follow hint; never repeat a call unchanged. bad_argument: fix arguments from the schema. unsupported_argument: valid but unservable; try another series, tool or source. upstream_rejected: the agency refused a value; it is up, so fix the value (see upstream_body) and retry this tool. upstream_failure: the agency failed; we already retried; if retry_after_seconds is set, don't retry early; say so and use another source. gateway_*: retry once, then report. internal: report it. Never present a failure as success.

Interpreting

Show all

Tools

Skills

None in the store listings or on the server