brief-section-drafter

brief-section-drafter is a skill for Claude Code from anthropics/claude-for-legal. It costs 70 tokens per session (3,591 once invoked), scanned A, original, Apache-2.0.

A legal brief-section drafting workflow. A brief is a written argument submitted in a legal case, and this workflow drafts one section in the chosen house style and case theory.

In plain words
What is it for?
Drafting sections such as facts or legal arguments, checking their connection to the case theory, and flagging every fact or citation that needs verification.
Why use it?
It keeps the draft consistent with the case's argument and identifies facts or citations that still need checking. It also applies a specific safeguard for certain England and Wales witness statements.

Skill for Claude Code ✓ vendor

Written for Claude Code: argument-hint in frontmatter. Also seen: reads .claude/ paths; mentions CLAUDE.md.

Part of the litigation-legal plugin — 16 skills, 1 agent shipped together

Good fit Drafting sections such as facts or legal arguments, checking their connection to the case theory, and flagging every fact or citation that needs verification.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/anthropics/claude-for-legal/brief-section-drafter
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 · 9,529 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.

Any agent
npx skills add anthropics/claude-for-legal --skill brief-section-drafter
Clone the repo
git clone --depth 1 https://github.com/anthropics/claude-for-legal

Made for: Claude Code.

Or install litigation-legal, the plugin that ships this one along with the rest of its 16 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 brief-section-drafter

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/anthropics/claude-for-legal/brief-section-drafter"><img src="https://agentmods.dev/badge/skills/anthropics/claude-for-legal/brief-section-drafter.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 70 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,591 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. Third-party audits
  • Socket pass 14 Sept 2026
  • Snyk pass 14 Sept 2026
How audits are shown
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 $0.00070 $0.03591
Opus 5.5 $0.00028 $0.01436
Sonnet 5 $0.00014 $0.00718
Haiku 4.5 $0.00007 $0.00359

Measured 3d ago against content hash 6aef47de453d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-26, from the pricing page.

Security

Grade A, and why

brief-section-drafter 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 3d 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.

litigation-legal/skills/brief-section-drafter/SKILL.md · 192 lines

How it starts

The opening of the file, as written. The whole thing — 192 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/brief-section-drafter

  1. Load ~/.claude/plugins/config/claude-for-legal/litigation-legal/CLAUDE.md → case theory, house style.
  2. Follow the workflow and reference below.
  3. Draft in house format/tone/citation style. Consistent with theory.
  4. Output: draft section. Flag every place a fact or cite needs verification.

Brief Section Drafter

Witness statements for England & Wales — PD 57AC

If the user's jurisdiction includes England & Wales and they're asking for a trial witness statement for the Business & Property Courts (or any CPR-governed proceeding), PD 57AC applies. The statement must be in the witness's own words, must not contain argument, must identify the documents the witness used to refresh their memory, and must carry the required confirmation of compliance and the legal representative's certificate.

Drafting a narrative "as the witness" from a chronology, document set, or your account of the case is exactly what PD 57AC was designed to prevent. Courts are actively sanctioning AI-assisted witness statement drafting. If you ask me to do it, I won't.

What I WILL do: prepare question prompts to elicit the witness's actual recollection; capture and organize what the witness says (their words, not mine); generate the list of documents they were shown; run a PD 57AC compliance checklist against a statement they've drafted; draft the solicitor's certificate of compliance. I help you get the witness's evidence into the statement. I don't write the evidence.

For US depositions, declarations, and affidavits: different rules, but the same discipline applies. A declaration in the declarant's voice that the declarant didn't write is a credibility problem at best.

Purpose

A good brief section is consistent with the theory, cited to the record, written in house style, and checkable. This skill produces the first draft — emphasis on draft. Partner edits.

Written or oral?

Ask before drafting: "Is this for a written submission or oral argument?" They are different crafts:

Read the full file on GitHub · 192 lines

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. 3d ago First seen · 192 lines · 70 tokens per session scan A 6aef47de453d

Subscribe to this mod's changes

brief-section-drafter is a skill published in the GitHub repository anthropics/claude-for-legal (9,529 stars, last pushed yesterday), licensed Apache-2.0. It adds 70 tokens to every session and 3,591 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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