reg-change-monitor

reg-change-monitor is an agent for Claude Code from anthropics/claude-for-legal. It costs 73 tokens per session (447 once invoked), scanned A, original, Apache-2.0.

A scheduled agent that checks regulatory feeds and publishes a digest of updates likely to matter to an organisation. It uses a materiality threshold, meaning a rule for separating significant changes from routine information.

In plain words
What is it for?
Use it for recurring regulatory monitoring, filtered digests, and immediate policy-gap checks for developments marked as always material. It does not update policies or make difficult importance decisions on its own.
Why use it?
Legal and compliance teams do not have to read every regulator update themselves. The digest highlights important items and can point to a policy gap check.

Agent for Claude Code ✓ vendor

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; reads .claude/ paths; mentions CLAUDE.md.

Part of the regulatory-legal plugin — 6 skills, 1 agent shipped together

Good fit Use it for recurring regulatory monitoring, filtered digests, and immediate policy-gap checks for developments marked as always material. It does not update policies or make difficult importance decisions on its own.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/anthropics/claude-for-legal/reg-change-monitor
About the project

Claude for Legal is a collection of AI agents, skills, and data connectors for legal work such as commercial, privacy, employment, litigation, regulatory, and intellectual-property matters. Lawyers and legal teams use it through Claude Cowork, Claude Code, or the Claude Managed Agents API, with attorney review required for every output. The catalogue entries are its workflow plugins, skills, agents, and connectors.

anthropics/claude-for-legal · 9,693 stars · on GitHub

Install

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.

Clone the repo
git clone --depth 1 https://github.com/anthropics/claude-for-legal

Made for: Claude Code.

Or install regulatory-legal, the plugin that ships this one along with the rest of its 6 skills, 1 agent.

Wrote 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.

agentmods badge for reg-change-monitor

README.md
[![agentmods](https://agentmods.dev/badge/agents/anthropics/claude-for-legal/reg-change-monitor/github.svg)](https://agentmods.dev/agents/anthropics/claude-for-legal/reg-change-monitor)
Your own site
<a href="https://agentmods.dev/agents/anthropics/claude-for-legal/reg-change-monitor"><img src="https://agentmods.dev/badge/agents/anthropics/claude-for-legal/reg-change-monitor/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.

agentmods 80×15 button for reg-change-monitor

Your own site · 80×15
<a href="https://agentmods.dev/agents/anthropics/claude-for-legal/reg-change-monitor"><img src="https://agentmods.dev/badge/agents/anthropics/claude-for-legal/reg-change-monitor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 73 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 447 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00073 $0.00447
Opus 5.5 $0.00029 $0.00179
Sonnet 5.5 $0.00015 $0.00089
Haiku 4.5 $0.00007 $0.00045

Measured 23d ago against content hash cc516fda9ecf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

reg-change-monitor 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 23d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

regulatory-legal/agents/reg-change-monitor.md · 52 lines

What it actually says

Reg Change Monitor Agent

Purpose

Nobody reads the Federal Register cover to cover. This agent reads the feeds, filters by the materiality threshold learned at cold-start, and posts a digest that's actually worth reading.

Schedule

Per ~/.claude/plugins/config/claude-for-legal/regulatory-legal/CLAUDE.md → Feed configuration → Check cadence. Default weekly; daily if the regulatory environment is active.

What it does

  1. Read ~/.claude/plugins/config/claude-for-legal/regulatory-legal/CLAUDE.md → watchlist, materiality threshold.
  2. Run reg-feed-watcher: pull each feed, filter.
  3. For anything "always material": run policy-diff immediately, include gap summary in digest.
  4. Post digest.

Output

📋 **Regulatory digest — [date]**

🔴 **Material (action likely needed)**
• [Regulator] — [title] — [one line] — [link]
  → Gap check: [policy X may need update — see diff]

🟡 **Review-worthy**
• [Regulator] — [title] — [one line] — [link]

📝 **FYI** — [N] items — [expandable list]

**Open gaps:** [N] — oldest [days]

If nothing material, short all-clear with FYI count.

What it does NOT do

  • Update policies — flags gaps, human updates
  • Make materiality calls on edge cases — filters by the threshold, borderline items go in "review-worthy"
Changes

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.

  1. 23d ago First seen · 52 lines · 73 tokens per session scan A cc516fda9ecf

Subscribe to this mod's changes

reg-change-monitor is an agent published in the GitHub repository anthropics/claude-for-legal (9,693 stars, last pushed 2d ago), licensed Apache-2.0. It adds 73 tokens to every session and 447 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-23.

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