census-mcp-server

An MCP server that allows agents to query U.S. Census Bureau demographic, economic, and housing data. It supports listing datasets, searching variables, resolving geographies to FIPS codes, and querying or comparing estimates across various geographic levels.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by cyanheads

Vendor documentation

What you can do with it

Browse available Census Bureau datasets and their codes
Search for specific demographic variables by keyword
Resolve place names or addresses to Census FIPS identifiers
Query and compare data estimates across multiple geographies

Source and maintenance

Community listingRegistry 0.7.1

mcp-registry: io.github.cyanheads/census-mcp-server@0.7.1 Source repository

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@cyanheads/census-mcp-server 0.7.1

npmnpx

@cyanheads/census-mcp-server package definition

{
  "version": "0.7.1",
  "transport": "stdio",
  "identifier": "@cyanheads/census-mcp-server",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "CENSUS_API_KEY",
      "format": "string",
      "description": "Census Bureau API key from api.census.gov/data/key_signup.html. Required for census_query_data and census_compare_geographies, and for census_list_predicate_values on a dimension it enumerates live; variable search and geography resolution work without it."
    },
    {
      "name": "MCP_LOG_LEVEL",
      "format": "string",
      "default": "info",
      "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "census-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/census-mcp-server@0.7.1"
      ],
      "env": {
        "CENSUS_API_KEY": "<YOUR_CENSUS_API_KEY>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "census-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/census-mcp-server@0.7.1"
      ],
      "env": {
        "CENSUS_API_KEY": "<YOUR_CENSUS_API_KEY>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "census-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/census-mcp-server@0.7.1"
      ],
      "env": {
        "CENSUS_API_KEY": "<YOUR_CENSUS_API_KEY>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "census-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/census-mcp-server@0.7.1"
      ],
      "env": {
        "CENSUS_API_KEY": "<YOUR_CENSUS_API_KEY>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

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