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Directory / GSA Per Diem
GSA Per Diem
by 1102tools.com · https://gsa-perdiem.1102tools.com/mcp
GSA Per Diem access readiness, lodging, and meals and incidental expense rates. 7 tools.
11 of 11 checks · 28 Oct 2026
Is GSA Per Diem MCP server safe?
- No hidden instructions were found in its tool descriptions.
- Its error messages showed no secrets or internal details.
- All 7 of its tools are labeled read-only.
- Overall it scored 88/100 on 28 Oct 2026.
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What it can do
7 tools, in the server's own words.
get_data_statusread-onlyReport which fiscal years are bundled, their GSA source files, and which tools call the GSA API.
lookup_city_perdiemread-onlyLook up federal per diem rates for a city and state.
lookup_zip_perdiemread-onlyLook up federal per diem rates by ZIP code.
lookup_state_ratesread-onlyGet all Non-Standard Area (NSA) per diem rates for a state.
get_mie_breakdownread-onlyGet the M&IE (meals and incidental expenses) tier breakdown table.
estimate_travel_costread-onlyEstimate total per diem cost for a trip.
compare_locationsread-onlyCompare per diem rates across multiple locations.
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Ready for the newest MCP versionnote
1 warning
- !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
- !Every tool is describednote
6 warnings
- !lookup_city_perdiem: Inputs with no description: city, county, fiscal_year, state
- !lookup_zip_perdiem: Inputs with no description: county, fiscal_year, zip_code
- !lookup_state_rates: Inputs with no description: fiscal_year, state
- !get_mie_breakdown: Inputs with no description: fiscal_year
- !estimate_travel_cost: Inputs with no description: city, county, fiscal_year, num_nights, state, travel_month
- !compare_locations: Inputs with no description: fiscal_year, locations
- ✓ConnectsConnected in 207 mspass
- ✓Lists its toolsFound 7 toolspass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓No hidden instructionsNo hidden instructions found in tool descriptionspass
- ✓Tools work with good inputspass
All good
- ✓get_data_status: Worked (447 ms)
- ✓lookup_city_perdiem: Answered with an error, probably because of our sample input: Error executing tool lookup_city_perdiem: state must be a 2-letter USPS code (e.g., 'DC', 'VA'). Got 'test'.
- ✓lookup_zip_perdiem: Answered with an error, probably because of our sample input: Error executing tool lookup_zip_perdiem: zip_code must be a 5-digit US ZIP (ZIP+4 also accepted, e.g., '02101' or '02101-1234'). Got 'test'.
- ✓lookup_state_rates: Answered with an error, probably because of our sample input: Error executing tool lookup_state_rates: state must be a 2-letter USPS code (e.g., 'DC', 'VA'). Got 'test'.
- ✓get_mie_breakdown: Worked (127 ms)
- ✓estimate_travel_cost: Answered with an error, probably because of our sample input: Error executing tool estimate_travel_cost: state must be a 2-letter USPS code (e.g., 'DC', 'VA'). Got 'test'.
- ✓compare_locations: Answered with an error, probably because of our sample input: Error executing tool compare_locations: locations must be a non-empty list of {city, state} dicts.
- ✓Bad inputs give a clean errorpass
All good
- ✓lookup_city_perdiem: Refused missing required input "city" with a clear error
- ✓lookup_city_perdiem: Refused wrong type for "city" with a clear error
- ✓lookup_zip_perdiem: Refused missing required input "zip_code" with a clear error
- ✓lookup_zip_perdiem: Refused wrong type for "zip_code" with a clear error
- ✓lookup_state_rates: Refused missing required input "state" with a clear error
- ✓lookup_state_rates: Refused wrong type for "state" with a clear error
- ✓estimate_travel_cost: Refused missing required input "city" with a clear error
- ✓estimate_travel_cost: Refused wrong type for "city" with a clear error
- and 2 more
- ✓Fast enoughpass
All good
- ✓Connecting took 207 ms
- ✓Listing tools took 41 ms
- ✓Average tool answer: 126 ms
- ✓get_data_status: Slowest tool: get_data_status (447 ms)
- ✓No secrets leakedChecked 15 error messages: no secrets or internal detailspass
- ✓Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guidepass
- –Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)not tested
Test it yourself
Free and open source. Same checks, same score.
npx qamcp-cli https://gsa-perdiem.1102tools.com/mcpShow this score on GitHub
Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.
[](https://qamcp.dev/s/com-1102tools-gsa-perdiem-mcp.html)Score over time
- 28 Oct 202688
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use GSA Per Diem, signed in with GitHub, one per person. Reviews never change the score.
QAmcp Monitor (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.
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