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Census (ACS by ZIP) MCP Server

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Census (ACS by ZIP) runs on your own machine — the client starts it, so there is no endpoint to ping. 120 installs a week from pypi. Last commit 20 Aug 2026.

U.S. Census (ACS) data by ZIP: income, demographics, housing, education, from a local store.

Installs per day peak 212 · avg 25 · -27% w/w
a month agotoday
120
Installs / week
pypi · mcpwright-census
0
Stars
0 open issues
20 Aug 2026
Last commit
0 releases in 90 days
MIT
License
Python

Nothing serious here today

Today is the operative word: we check Census (ACS by ZIP) every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add census-mcp -- uvx mcpwright-census
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "census-mcp": {
      "args": [
        "mcpwright-census"
      ],
      "command": "uvx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.census-mcp]
command = "uvx"
args = ["mcpwright-census"]
.cursor/mcp.json
{
  "mcpServers": {
    "census-mcp": {
      "args": [
        "mcpwright-census"
      ],
      "command": "uvx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "census-mcp": {
      "args": [
        "mcpwright-census"
      ],
      "command": "uvx"
    }
  }
}

This one needs environment variables set before it will start: CENSUS_API_KEY (Free Census API key (get one at https://api.census.gov/data/key_signup.html). Required for the one-time bulk download of the ACS dataset.). The author declared them in the registry entry; get the values from the project itself.

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Census (ACS by ZIP) — questions

Answers built from our own checks of this server.

Why is there no uptime for Census (ACS by ZIP)?
Census (ACS by ZIP) runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package mcpwright-census was installed 120 times last week.
How do I connect Census (ACS by ZIP)?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls mcpwright-census straight from pypi; nothing to host, nothing to sign up for.
How many people use Census (ACS by ZIP)?
The pypi package mcpwright-census was installed 120 times in the last week. Week over week that is -27%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Census (ACS by ZIP) open source?
Yes — it is published under the MIT licence, written in Python and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.