# Workday Calendar

> Public holidays and business-day math (T+N, counts) for many countries; pay per call via x402

- name: dev.workers.regnotes.workday-calendar/workday-calendar
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 86/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/dev.workers.regnotes.workday-calendar%2Fworkday-calendar
- tools: https://api.protogrid.dev/v1/servers/dev.workers.regnotes.workday-calendar%2Fworkday-calendar/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "workday-calendar": {
      "type": "http",
      "url": "https://workday-calendar.regnotes.workers.dev/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 99
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-97% +updated-20d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 86/100 (good)

### 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: 88 (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`: 4 of 4 tools declare readOnlyHint or destructiveHint
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: business_days_add (destructiveHint, idempotentHint); business_day (destructiveHint, idempotentHint); business_days_count (destructiveHint, idempotentHint); …
- pass `tools.token_cost`: about 547 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: 100 (weight 15)

- pass `stability.changes`: 4 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name
- pass `stability.new_links`: no tool change named a new site

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

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

- tools: 4, about 547 tokens to load them all
- tool set hash: e272e9e5dd2ab1732c5438f9fd38db32
- tools last changed: 2026-10-31T15:31:44.965Z
- badge: [![protogrid quality](https://protogrid.dev/badge/dev.workers.regnotes.workday-calendar/workday-calendar.svg)](https://protogrid.dev/servers/dev.workers.regnotes.workday-calendar/workday-calendar)
- 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 `holidays` changed (description)
  - before: All national public holidays for a country and year, with weekend definition and official weekend make-up workdays. Costs $0.002 USDC on Base via x402.
  - after: All national public holidays for a country and year, with weekend definition and official weekend make-up workdays. Price: $0.002 USDC per request (fixed; one paid HTTP GET = one charge; x402 exact on Base or MPP on Tempo; 4xx errors are not charged).
- 2026-10-31 `business_days_count` changed (description)
  - before: Number of business days in [start, end] inclusive (max 3 years), with the holidays that fell on weekdays. Costs $0.002 USDC on Base via x402.
  - after: Number of business days in [start, end] inclusive (max 3 years), with the holidays that fell on weekdays. Price: $0.002 USDC per request (fixed; one paid HTTP GET = one charge; x402 exact on Base or MPP on Tempo; 4xx errors are not charged).
- 2026-10-31 `business_days_add` changed (description)
  - before: Date that is N business days after (or before, if negative) a start date in a country. Typical use: T+2 settlement, SLA and filing deadlines. Costs $0.002 USDC on Base via x402.
  - after: Date that is N business days after (or before, if negative) a start date in a country. Typical use: T+2 settlement, SLA and filing deadlines. Price: $0.002 USDC per request (fixed; one paid HTTP GET = one charge; x402 exact on Base or MPP on Tempo; 4xx errors are not charged).
- 2026-10-31 `business_day` changed (description)
  - before: Whether a date is a business day in a country (holiday/weekend/make-up workday aware), plus the previous and next business day. Costs $0.001 USDC on Base via x402.
  - after: Whether a date is a business day in a country (holiday/weekend/make-up workday aware), plus the previous and next business day. Price: $0.001 USDC per request (fixed; one paid HTTP GET = one charge; x402 exact on Base or MPP on Tempo; 4xx errors are not charged).

Full history: https://api.protogrid.dev/v1/servers/dev.workers.regnotes.workday-calendar%2Fworkday-calendar/changes

## Remotes

- https://workday-calendar.regnotes.workers.dev/mcp (streamable-http, auth none, reachable true, uptime30d 0.9746835)

## Packages

_none_

## Tools (4)

- `business_day`: Whether a date is a business day in a country (holiday/weekend/make-up workday aware), plus the previous and next business day. Price: $0.001 USDC per request (fixed; one paid HTTP GET = one charge; x402 exact on Base or MPP on Tempo; 4xx errors are not charged).
- `business_days_add`: Date that is N business days after (or before, if negative) a start date in a country. Typical use: T+2 settlement, SLA and filing deadlines. Price: $0.002 USDC per request (fixed; one paid HTTP GET = one charge; x402 exact on Base or MPP on Tempo; 4xx errors are not charged).
- `business_days_count`: Number of business days in [start, end] inclusive (max 3 years), with the holidays that fell on weekdays. Price: $0.002 USDC per request (fixed; one paid HTTP GET = one charge; x402 exact on Base or MPP on Tempo; 4xx errors are not charged).
- `holidays`: All national public holidays for a country and year, with weekend definition and official weekend make-up workdays. Price: $0.002 USDC per request (fixed; one paid HTTP GET = one charge; x402 exact on Base or MPP on Tempo; 4xx errors are not charged).