rates_by_zip
Pack: gsa-perdiem · Endpoint: https://gateway.pipeworx.io/gsa-perdiem/mcp
Get US federal per diem rates (government travel lodging and meal allowances) for a location by zip code. Returns the monthly lodging ceiling (per-diem lodging varies by month/season) and the flat M&IE (meals & incidental expenses) daily rate. Example: rates_by_zip({ zip: “80202” }).
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
zip | string | yes | 5-digit US zip code, e.g. “80202”. |
year | number | no | Fiscal/rate year, e.g. 2026. Defaults to the current year. |
_apiKey | string | no | Optional — your own api.data.gov / GSA API key for higher limits; omit to use the shared Pipeworx key. |
Example call
curl -X POST https://gateway.pipeworx.io/gsa-perdiem/mcp \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"rates_by_zip","arguments":{}}}'Connect
Add this to your MCP client config, or use one-click install buttons:
{
"mcpServers": {
"gsa-perdiem": {
"url": "https://gateway.pipeworx.io/gsa-perdiem/mcp"
}
}
}See Getting Started for client-specific install steps.