# get_treaty_series_memberships

Get treaty series types | treaty categories, Country series, EU series | Use to understand treaty classification categories | Returns list of treaty series types

Agent View of the PolicyLayer registry record for `get_treaty_series_memberships`. HTML page: https://policylayer.com/tools/chrisbrooksbank-uk-parliament-mcp-lab/get-treaty-series-memberships

## Facts

- Tool: `get_treaty_series_memberships`
- 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_treaty_series_memberships",
    "arguments": {}
  }
}
```

## Why get_treaty_series_memberships is rated Low

This tool retrieves and returns reference data about treaty series classifications and categories. It performs a read-only query operation with no capability to modify, delete, execute code, or trigger external operations. The blast radius of misuse is minimal—returning informational data about treaty categories poses no security or operational risk.

From the tool's own definition: "Tool name 'get_treaty_series_memberships' and description 'Get treaty series types... Returns list of treaty series types' indicate a retrieval/query operation with no side effects."

## Use case

AI agents call get_treaty_series_memberships 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_treaty_series_memberships": {}
  }
}
```

## 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
