# get_constituency_by_id

A read tool on the UK Parliament MCP Server MCP server.

Agent View of the PolicyLayer registry record for `get_constituency_by_id`. HTML page: https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-constituency-by-id

## Facts

- Tool: `get_constituency_by_id`
- 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_constituency_by_id",
    "arguments": {}
  }
}
```

## Why get_constituency_by_id is rated Low

This tool retrieves constituency information by ID from the UK Parliament database. It performs no modifications, deletions, or external operations—merely querying static parliamentary data. Confidence is slightly reduced due to the empty description, but the naming convention and context of sibling tools provide strong evidence of a Read operation with low severity impact.

From the tool's own definition: "Tool name 'get_constituency_by_id' indicates a retrieval operation. The description is empty, but the naming pattern is consistent with other sibling tools on the server (e.g., 'get_act_of_parliament', 'get_amendment_by_id') which are data retrieval…"

## Use case

AI agents call get_constituency_by_id 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_constituency_by_id": {}
  }
}
```

## 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_categories` — Read — https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-calendar-categories.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
- …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
