# get_calendar_categories

Get calendar event categories | categories, event types, calendar taxonomy | List all categories used to classify parliamentary calendar events | Returns list of categories

Agent View of the PolicyLayer registry record for `get_calendar_categories`. HTML page: https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-calendar-categories

## Facts

- Tool: `get_calendar_categories`
- Server: UK Parliament MCP Server (`chrisbrooksbank/uk-parliament-mcp-lab`) — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab.md
- Homepage: https://github.com/ChrisBrooksbank/uk-parliament-mcp-lab
- Risk category: Read (Low risk)
- Registry record: grade A, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_calendar_categories",
    "arguments": {}
  }
}
```

## Why get_calendar_categories is rated Low

This tool performs a simple read operation to retrieve a static list of calendar event categories. It has no capability to modify data, execute operations, or cause any side effects. The blast radius of misuse is negligible—returning incorrect or unauthorized category information would not compromise parliamentary systems or data integrity.

From the tool's own definition: "Tool name 'get_calendar_categories' and description 'List all categories used to classify parliamentary calendar events | Returns list of categories' indicate a query operation that retrieves reference data without modification or side effects."

## Use case

AI agents call get_calendar_categories to retrieve information from UK Parliament MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches UK Parliament MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_calendar_categories": {}
  }
}
```

## Other tools on UK Parliament MCP Server (208)

- `bill_stages` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/bill-stages.md
- `bill_types` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/bill-types.md
- `browse_erskine_may_index` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/browse-erskine-may-index.md
- `browse_locations` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/browse-locations.md
- `check_mp_vote` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/check-mp-vote.md
- `edms_for_member_id` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/edms-for-member-id.md
- `get_act_of_parliament` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-act-of-parliament.md
- `get_all_bills_rss` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-all-bills-rss.md
- `get_amendment_by_id` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-amendment-by-id.md
- `get_annulment_date` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-annulment-date.md
- `get_annunciator_by_date` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-annunciator-by-date.md
- `get_answer_deadline` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-answer-deadline.md
- `get_answering_bodies` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-answering-bodies.md
- `get_archived_publication_links` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-archived-publication-links.md
- `get_bill_by_id` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-by-id.md
- `get_bill_news_articles` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-news-articles.md
- `get_bill_overview` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-overview.md
- `get_bill_petition_by_id` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-petition-by-id.md
- `get_bill_publications` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-publications.md
- `get_bill_rss` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-rss.md
- `get_bill_stage_amendments` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-stage-amendments.md
- `get_bill_stage_details` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-stage-details.md
- `get_bill_stage_ping_pong_items` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-stage-ping-pong-items.md
- `get_bill_stage_publications` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-stage-publications.md
- `get_bill_stages` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-bill-stages.md
- `get_calendar_event` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-calendar-event.md
- `get_calendar_locations` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-calendar-locations.md
- `get_calendar_tags` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-calendar-tags.md
- `get_calendar_types` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-calendar-types.md
- `get_cli_reference` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-cli-reference.md
- …and 178 more: https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=chrisbrooksbank-uk-parliament-mcp-lab · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/chrisbrooksbank-uk-parliament-mcp-lab