# search_historical_members

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

Agent View of the PolicyLayer registry record for `search_historical_members`. HTML page: https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/search-historical-members

## Facts

- Tool: `search_historical_members`
- 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": "search_historical_members",
    "arguments": {}
  }
}
```

## Why search_historical_members is rated Low

The tool searches (reads/retrieves) historical parliament members data. No side effects are indicated—it queries existing records. Despite the empty description reducing confidence slightly, the naming pattern and sibling tools consistently performing data retrieval operations (get_*, browse_*, search_*) strongly suggest this is a Read operation.

From the tool's own definition: "Tool name 'search_historical_members' indicates querying or retrieving historical member data. The broader server context shows tools like 'check_mp_vote', 'edms_for_member_id', and 'get_act_of_parliament' that retrieve parliamentary records without…"

## Use case

AI agents call search_historical_members 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": {
    "search_historical_members": {}
  }
}
```

## 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
