rates_by_city
Pack: gsa-perdiem · Connect: https://pipeworx.io/mcp (see Connect below for a single-pack URL)
No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/rates_by_city for the schema, then POST the same URL with its arguments for the data.
Get US federal per diem rates (government travel lodging and meal allowances) for a city by name and state. 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_city({ city: “Denver”, state: “CO” }).
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
city | string | yes | City name, e.g. “Denver”, “San Francisco”. |
state | string | yes | Two-letter state abbreviation, e.g. “CO”, “CA”. |
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_city","arguments":{}}}'Connect
Add this to your MCP client config — every tool in the catalog, including this one — or use one-click install buttons:
{
"mcpServers": {
"pipeworx": {
"url": "https://pipeworx.io/mcp"
}
}
}Connect to just the gsa-perdiem pack
{
"mcpServers": {
"gsa-perdiem": {
"url": "https://gateway.pipeworx.io/gsa_perdiem/mcp"
}
}
}See Getting Started for client-specific install steps.