GSA Per Diem MCP server

by 1102tools.com·com.1102tools/gsa-perdiem-mcp·v1.0.10

GSA Per Diem access readiness, lodging, and meals and incidental expense rates. 7 tools.

B78/100grade B

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Safety scan

B78/100

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Growing

24 stars227 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

compare_locations
Compare per diem rates across multiple locations.
estimate_travel_cost
Estimate total per diem cost for a trip.
get_access_status
Check Per Diem credential presence without returning or validating its value.
get_mie_breakdown
Get the M&IE (meals and incidental expenses) tier breakdown table.
lookup_city_perdiem
Look up federal per diem rates for a city and state.
lookup_state_rates
Get all Non-Standard Area (NSA) per diem rates for a state.
lookup_zip_perdiem
Look up federal per diem rates by ZIP code.

scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it

no findings

Code scan7 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 6 days ago15/15
Maintainer identitynamespace and repository owner differ; website matches verified namespace5/10

Overall 78/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

claude mcp add gsa-perdiem-mcp -- uvx gsa-perdiem-mcp

Is GSA Per Diem MCP server safe?: Mostly: it is graded B (78/100). Read the GSA Per Diem safety report
How do I install GSA Per Diem?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does GSA Per Diem need an API key?: Yes. The registry entry asks for PERDIEM_API_KEY.
Is GSA Per Diem maintained?: The last commit was 6 days ago (2026-09-13). The latest release is v1.0.10.