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 handbook-updatesgit 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/handbook-updates)<a href="https://agentmods.dev/skills/uk-agents/uk-legal-plugins/handbook-updates"><img src="https://agentmods.dev/badge/skills/uk-agents/uk-legal-plugins/handbook-updates/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/handbook-updates"><img src="https://agentmods.dev/badge/skills/uk-agents/uk-legal-plugins/handbook-updates.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 | $0.00052 | $0.00937 |
| Opus 5 | $0.00026 | $0.00468 |
| Sonnet 5 | $0.00010 | $0.00187 |
| Haiku 4.5 | $0.00005 | $0.00094 |
Grade A, and why
handbook-updates 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 11d 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 — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Handbook Updates
Matter context
Matter context. Check ## Matter workspaces in the practice-level CLAUDE.md. If Enabled is ✗ (the default for in-house users), skip the rest of this paragraph — skills use practice-level context and the matter machinery is invisible. If enabled and there is no active matter, ask: "Which matter is this for? Run /employment-legal-uk:matter-workspace switch <slug> or say practice-level." Load the active matter's matter.md for matter-specific context and overrides. Write outputs to the matter folder at ~/.claude/plugins/config/uk-legal-plugins/employment-legal-uk/matters/<matter-slug>/. Never read another matter's files unless Cross-matter context is on.
Purpose
Handbook changes have ripple effects. Change the holiday policy and you've affected the final pay calculation, the leave policy cross-reference, and any Northern Ireland supplement. This skill finds the ripples before they become inconsistencies.
Load context
~/.claude/plugins/config/uk-legal-plugins/employment-legal-uk/CLAUDE.md → handbook location, jurisdiction supplements list, update cadence.
Workflow
Step 1: Get the change
- What section is changing?
- What's the new language?
- Why? (Legal requirement, policy decision, cleanup)
Step 2: Diff against current
Read the current handbook section. Show the diff:
- [old language]
+ [new language]
Step 3: Find cross-references
Search the handbook for references to the changed section:
- Other policies that cite this one ("see the holiday policy for accrual rates")
- Defined terms that this section uses or defines
- Jurisdiction supplements that modify this section
Each cross-reference: does it still make sense after the change? Flag any that break.
Step 4: Jurisdiction supplement impact
For each jurisdiction supplement in ~/.claude/plugins/config/uk-legal-plugins/employment-legal-uk/CLAUDE.md:
- Does this supplement modify the section being changed?
- Does the change make the supplement obsolete, wrong, or incomplete?
- Does the change create a need for a new supplement in a state that didn't need one before?
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.
- 11d ago First seen · 109 lines · 52 tokens per session scan A 743937d9fdff
handbook-updates 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 52 tokens to every session and 937 once invoked, about $0.0003 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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