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 uk-agents/uk-legal-plugins --skill statute-amendments-tracegit clone --depth 1 https://github.com/uk-agents/uk-legal-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/uk-agents/uk-legal-plugins/statute-amendments-trace)<a href="https://agentmods.dev/skills/uk-agents/uk-legal-plugins/statute-amendments-trace"><img src="https://agentmods.dev/badge/skills/uk-agents/uk-legal-plugins/statute-amendments-trace/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/uk-agents/uk-legal-plugins/statute-amendments-trace"><img src="https://agentmods.dev/badge/skills/uk-agents/uk-legal-plugins/statute-amendments-trace.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00096 | $0.01237 |
| Opus 5 | $0.00048 | $0.00619 |
| Sonnet 5 | $0.00019 | $0.00247 |
| Haiku 4.5 | $0.00010 | $0.00124 |
Grade A, and why
statute-amendments-trace scanned grade A with 0 findings 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 12d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/statute-amendments-trace
- Locate the statute:
legislation_search(query="<title>"). - Get TOC and jurisdictional extent:
legislation_get_toc(type=..., year=..., number=...). - Check in-force amendments via
legislation_get_sectionfor sections of interest. - Search for pending bills:
bills_search_bills(query="<short title>"). - Report current status, jurisdictional extent, and pending bills with stage and sponsor.
Purpose
Trace the current amendment status of a UK Act and surface any pending parliamentary bills that would further amend it. Statutes are living documents — citing an Act without checking its amendment status risks relying on repealed, suspended, or superseded text. This skill checks both the current enacted state (via legislation.gov.uk) and the parliamentary pipeline (via the Bills API).
Workflow
Source discipline: If a
uk-legal MCPtool returns empty or errored (status:empty/not_found/upstream_validation/ etc.), do NOT supplement from training data or web search. Report the empty result to the user with the tool'snext_steps/detailfield surfaced, and ask for clarifying information (different spelling of a name, a date range, the source URL) rather than fabricating a plausible-looking answer. Empty results are HONEST signal — not a failure mode to paper over.
Step 1 — Locate the statute
Call legislation_search(query="<title>"). If the user gave only a partial title,
include the year if known to narrow results. If multiple statutes match, list them
and ask the user to confirm which one before proceeding.
Step 2 — Get the TOC and extent
Call legislation_get_toc(type=..., year=..., number=...) using the identifiers
returned in Step 1. This returns:
- The structural table of contents for the Act
- The
extentfield: which jurisdictions the Act applies to (England, Wales, Scotland, Northern Ireland — note that extent can vary section by section) - Any amended version flag indicating that in-force amendments have been applied to the legislation.gov.uk text
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.
- 12d ago First seen · 113 lines · 96 tokens per session scan A 2fe5875c128a
statute-amendments-trace is a skill published in the GitHub repository uk-agents/uk-legal-plugins (9 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 96 tokens to every session and 1,237 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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