# UK Business Calendar MCP

> UK working days, bank holidays, HMRC and Companies House deadlines.

- name: io.github.donniertf-hub/uk-business-calendar-mcp
- version: 1.1.0
- connection class: R0 (autonomous)
- trust: 88/100 flags: duplicate-repo
- quality: 79/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.donniertf-hub%2Fuk-business-calendar-mcp
- tools: https://api.protogrid.dev/v1/servers/io.github.donniertf-hub%2Fuk-business-calendar-mcp/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "uk-business-calendar-mcp": {
      "type": "http",
      "url": "https://uk-business-calendar-mcp.donniertf.workers.dev/mcp"
    }
  }
}
```


## Trust

- hygiene: 60
- liveness: 96
- freshness: 100
- provenance: 90
- drivers: +repository +namespace-matches-repo +website +reachable +uptime-91% +updated-9d-ago -duplicate-repo(95 names)
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 79/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-03-26; 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: 71 (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
- fail `tools.annotations`: no tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: working_days (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); due_date (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); news_quick (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
- pass `tools.token_cost`: about 1,006 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`: no 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: 10, about 1,006 tokens to load them all
- tool set hash: 887ecde0e6f7153293d713d68f5ae04a
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.donniertf-hub/uk-business-calendar-mcp.svg)](https://protogrid.dev/servers/io.github.donniertf-hub/uk-business-calendar-mcp)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://uk-business-calendar-mcp.donniertf.workers.dev/mcp (streamable-http, auth none, reachable true, uptime30d 0.90909094)

## Packages

_none_

## Tools (10)

- `due_date`: PRO. Invoice/contract due date: add N working days or N calendar days (rolled to next working day) to a date. Includes Late Payment Act 30-day default.
- `facts_search`: PRO ($0.01). Wikipedia search for background facts: up to 10 matching articles with snippets, and summaries for the top 3.
- `month_planner`: PRO. For a month: working days count, bank holidays, payday suggestions (last working day / 25th rolled back) and deadlines.
- `news_briefing`: PRO ($0.01). One-call briefing on a company or topic: latest GDELT news (optionally UK outlets only), Hacker News discussion and Wikipedia background.
- `news_quick`: FREE. Quick news & facts lookup for a topic: top Wikipedia matches (with summary) and top Hacker News stories from the last 30 days. No key.
- `news_search`: PRO ($0.01). Search worldwide online news (GDELT DOC 2.0, 65+ languages) for a topic: latest articles with headline, URL, outlet domain, time seen and source country. Options: days (1-90, default 7), uk_only, lang (e.g. english), max (≤50).
- `next_bank_holidays`: FREE. Next 3 UK bank holidays for a nation, plus whether today is a working day.
- `tax_deadlines`: PRO. Upcoming HMRC and Companies House deadlines for the next N months; add company_year_end for Corporation Tax, CT600 and accounts dates.
- `tech_news_search`: PRO ($0.01). Search Hacker News stories (via Algolia) for a company, product or topic: title, link, points, comments. Options: days (default 30), min_points, sort ('relevance' or 'recent'), max (≤30).
- `working_days`: PRO. Count UK working days between two dates (excludes weekends + bank holidays for the nation).