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Global MacroMCP serverFirst audited Nov 13, 2026

Census ACS Demographics

Population, income, poverty, education, housing, and commuting from the US Census ACSThe vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 5 of 5 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 286 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://mcp.olyport.com/census/mcp

Website Streamable HTTP · protocol 2025-11-25 · server version 1.26.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 5 of 5 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • get_county_demographics
    • get_county_economics
    • get_county_education
    • get_tract_data
    • get_commuting_data

Tools

  • Passed: 5 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (5)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • get_county_demographicsGet demographic data for counties: population, median age, race, Hispanic origin, income, and poverty. Returns one record per county with total population, median age, racial breakdown (Whit…Doesn't say
  • get_county_economicsGet economic data for counties: income, poverty, home values, rent, and health insurance. Returns median household income, poverty rate, median home value, median gross rent, and health insu…Doesn't say
  • get_county_educationGet educational attainment for counties (population 25+). Returns counts and percentages for: less than high school, high school diploma/GED, some college/associate degree, bachelor's degree…Doesn't say
  • get_tract_dataGet tract-level ACS data for any variables within a county. This is a flexible tool for querying any ACS 5-year estimate variables at the census tract level. Automatically batches requests i…Doesn't say
  • get_commuting_dataGet means of transportation to work data for counties. Returns worker counts and percentages for: drove alone, carpooled, public transit, walked, bicycle, taxi/motorcycle/other, and worked f…Doesn't say

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200286 ms
initializedHTTP 20299 ms
tools/listHTTP 20097 ms
resources/listHTTP 200274 ms
prompts/listHTTP 20095 ms
unknown-methodHTTP 200114 ms

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