FIPS County Code Lookup — 3,231 US Counties
Look up US county FIPS codes. Search by code, county name, or state. 3,231 counties. Used by mortgage, title, GIS, and government platforms.
Overview
MCP FIPS Server
A Model Context Protocol (MCP) server for looking up US counties by FIPS code, name, or state. Covers all 50 states, DC, and territories.
Tools (4 total)
| Tool | Description |
|---|---|
fips_lookup | Look up a county by its 5-digit FIPS code |
fips_search | Search counties by name, optionally filtered by state |
fips_state | List all counties in a state by FIPS code or abbreviation |
fips_stats | Get database statistics: total counties, states, and counts by state |
Install
npx @easysolutions906/mcp-fips
Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"fips": {
"command": "npx",
"args": ["-y", "@easysolutions906/mcp-fips"]
}
}
}
Cursor
Add to .cursor/mcp.json:
{
"mcpServers": {
"fips": {
"command": "npx",
"args": ["-y", "@easysolutions906/mcp-fips"]
}
}
}
REST API
Set PORT env var to run as an HTTP server.
GET /lookup?fips=06037-- look up county by FIPS codeGET /search?name=los+angeles&state=CA-- search counties by nameGET /state/:code-- list all counties in a state (e.g.,/state/CA)POST /lookup/batch-- batch lookup multiple FIPS codesGET /stats-- county counts by state
Data Source
US Census Bureau FIPS county codes. Run npm run build-data to regenerate from the latest Census data.
Transport
- stdio (default) -- for local use with Claude Desktop and Cursor
- HTTP -- set
PORTenv var to start in Streamable HTTP mode on/mcp
Server Config
{
"mcpServers": {
"fips": {
"command": "npx",
"args": [
"-y",
"@easysolutions906/mcp-fips"
]
}
}
}Project Info
Created At
3 months agoUpdated At
3 months agoAuthor Name
easysolutions906Star
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