# Zovo Per Diem Calculator

> Travel allowance worksheets

- name: io.github.theluckystrike/zovo-per-diem-calculator
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 78/100 flags: no-repository
- quality: 91/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.theluckystrike%2Fzovo-per-diem-calculator
- tools: https://api.protogrid.dev/v1/servers/io.github.theluckystrike%2Fzovo-per-diem-calculator/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "zovo-per-diem-calculator": {
      "type": "http",
      "url": "https://per-diem.zovo.one/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 40
- drivers: +website -thin-description +reachable +uptime-100% +updated-16d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 91/100 (strong)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 2 of 2 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 995 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: 2 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 2, about 995 tokens to load them all
- tool set hash: c97fa0599b9c49b43ffd5316790a378d
- tools last changed: 2026-10-31T01:40:26.752Z
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.theluckystrike/zovo-per-diem-calculator.svg)](https://protogrid.dev/servers/io.github.theluckystrike/zovo-per-diem-calculator)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-31 `find_per_diem_rates` changed (description)
  - before: Use this when the user wants gsa per diem rates, federal per diem rates, per diem rates 2027 or m&ie rates by month, with XLSX and CSV downloads. Looks up 1 to 25 ZIP codes or City, ST locations in bundled GSA CONUS FY2026/FY2027 tables. The default fiscal year uses today in America/New_York. Ambiguous ZIPs return an item error; use calculate_per_diem with county to disambiguate. Do not use for OCONUS or FY2028.
  - after: Looks up monthly GSA CONUS lodging and M&IE rates for up to 25 ZIP codes or City, ST locations in bundled FY2026/FY2027 tables, with XLSX and CSV files. The default fiscal year is today in America/New_York. Ambiguous ZIPs return an item error; calculate_per_diem accepts county for disambiguation. Coverage excludes OCONUS and FY2028.
- 2026-10-31 `calculate_per_diem` changed (description, inputSchema)
  - before: Use this when the user wants a per diem calculator, gsa per diem calculator, or travel per diem calculator with per diem meal deduction and a downloadable XLSX/CSV expense worksheet. Covers bundled GSA CONUS FY2026/FY2027 only; up to 10 trips, 10 contiguous stops per trip, 92 days between arrival and departure, and 400 day rows per call. Furnished government or registration meals reduce allowances; common-carrier meals and complimentary hotel breakfasts are not deductions. Same-day travel requires more than 12 hours; no times are taken. Do not use for OCONUS, lodging taxes, agency policies or FY2028.
  - after: Calculates GSA CONUS lodging and M&IE allowances for one or more trips, applying first/last-day and furnished-meal deductions, and returns day-by-day results with XLSX/CSV worksheet downloads. Covers bundled GSA CONUS FY2026/FY2027 only; up to 10 trips, 10 contiguous stops per trip, 92 days between arrival and departure, and 400 day rows per call. Furnished government or registration meals reduce allowances; common-carrier meals and complimentary hotel breakfasts are not deductions. Same-day travel requires more than 12 hours; no times are taken. Coverage excludes OCONUS, lodging taxes, agency policies and FY2028.

Full history: https://api.protogrid.dev/v1/servers/io.github.theluckystrike%2Fzovo-per-diem-calculator/changes

## Remotes

- https://per-diem.zovo.one/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (2)

- `calculate_per_diem`: Calculates GSA CONUS lodging and M&IE allowances for one or more trips, applying first/last-day and furnished-meal deductions, and returns day-by-day results with XLSX/CSV worksheet downloads. Covers bundled GSA CONUS FY2026/FY2027 only; up to 10 trips, 10 contiguous stops per trip, 92 days between arrival and departure, and 400 day rows per call. Furnished government or registration meals reduce allowances; common-carrier meals and complimentary hotel breakfasts are not deductions. Same-day travel requires more than 12 hours; no times are taken. Coverage excludes OCONUS, lodging taxes, agency policies and FY2028.
- `find_per_diem_rates`: Looks up monthly GSA CONUS lodging and M&IE rates for up to 25 ZIP codes or City, ST locations in bundled FY2026/FY2027 tables, with XLSX and CSV files. The default fiscal year is today in America/New_York. Ambiguous ZIPs return an item error; calculate_per_diem accepts county for disambiguation. Coverage excludes OCONUS and FY2028.