Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add wentorai/research-plugins --skill uk-legislation-apigit clone --depth 1 https://github.com/wentorai/research-pluginsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/wentorai/research-plugins/uk-legislation-api)<a href="https://agentmods.dev/skills/wentorai/research-plugins/uk-legislation-api"><img src="https://agentmods.dev/badge/skills/wentorai/research-plugins/uk-legislation-api/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/wentorai/research-plugins/uk-legislation-api"><img src="https://agentmods.dev/badge/skills/wentorai/research-plugins/uk-legislation-api.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00018 | $0.01904 |
| Opus 5 | $0.00009 | $0.00952 |
| Sonnet 5 | $0.00004 | $0.00381 |
| Haiku 4.5 | $0.00002 | $0.00190 |
Grade A, and why
uk-legislation-api scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl "https://www.legislation.gov.uk/ukpga/2010/15/data.xml" How it starts
The opening of the file, as written. The whole thing — 180 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UK Legislation API (legislation.gov.uk)
Overview
The Legislation.gov.uk API, maintained by The National Archives, provides open access to the full text of UK legislation from 1267 to the present day. The database covers over 100,000 items including Acts of Parliament, Statutory Instruments, Scottish and Welsh legislation, and Northern Ireland statutes. All data is available as structured XML with Dublin Core metadata, Atom feeds, and HTML. The API supports point-in-time versions showing how legislation read at any given date, plus amendment tracking.
Authentication
No authentication or API key is required. The API is fully open. Respect rate limits by adding reasonable delays between bulk requests.
URL Structure
All legislation follows the pattern:
https://www.legislation.gov.uk/{type}/{year}/{number}
Legislation Types
| Type Code | Description | Example |
|---|---|---|
ukpga |
UK Public General Act | /ukpga/2010/15 (Equality Act 2010) |
uksi |
UK Statutory Instrument | /uksi/2020/1374 |
asp |
Act of Scottish Parliament | /asp/2020/13 |
asc |
Act of Senedd Cymru (Wales) | /asc/2021/4 |
nia |
Northern Ireland Act | /nia/2022/2 |
ukla |
UK Local Act | /ukla/2008/1 |
ukdsi |
UK Draft Statutory Instrument | /ukdsi/2023/123 |
eur |
Retained EU Legislation | /eur/2016/679 (GDPR) |
Core Endpoints
Full Legislation Text (XML)
# Fetch the Equality Act 2010 — returns structured XML with Dublin Core metadata
curl "https://www.legislation.gov.uk/ukpga/2010/15/data.xml"
# Response: <Legislation DocumentURI="http://www.legislation.gov.uk/ukpga/2010/15"
# NumberOfProvisions="564">
# <dc:title>Equality Act 2010</dc:title>
# <dc:description>An Act to make provision to require Ministers...</dc:description>
# Fetch Data Protection Act 2018
curl "https://www.legislation.gov.uk/ukpga/2018/12/data.xml"
# Response: <dc:title>Data Protection Act 2018</dc:title>
# NumberOfProvisions="1181"
# Fetch a Statutory Instrument
curl "https://www.legislation.gov.uk/uksi/2020/1374/data.xml"
# Response: <dc:title>The Health Protection (Coronavirus, Restric...</dc:title>
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 180 lines · 18 tokens per session scan A bbc00a4ed8df
uk-legislation-api is a skill published in the GitHub repository wentorai/research-plugins (291 stars, last pushed 2mo ago), licensed MIT. It adds 18 tokens to every session and 1,904 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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