cross-check-legal-advice

cross-check-legal-advice is a skill for Claude Code from alivirgo/Major-AI-Skills. It costs 29 tokens per session (1,053 once invoked), scanned A, original, MIT.

A guide for using AI to understand legal wording, spot possible contract issues, and prepare questions for a licensed lawyer. It does not replace legal advice or review by counsel.

In plain words
What is it for?
Use it to translate contract clauses into plain English, find potentially missing terms such as indemnity or intellectual property provisions, and prepare questions for legal counsel.
Why use it?
Contracts and compliance documents can be difficult to read, while AI may miss local laws or make inaccurate claims. This separates useful preparation from decisions that require a lawyer.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions Codex.

Part of the major-ai-skills plugin — 147 skills, 8 plugins shipped together

Good fit Use it to translate contract clauses into plain English, find potentially missing terms such as indemnity or intellectual property provisions, and prepare questions for legal counsel.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/alivirgo/major-ai-skills/cross-check-legal-advice
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 alivirgo/Major-AI-Skills --skill cross-check-legal-advice
Clone the repo
git clone --depth 1 https://github.com/alivirgo/Major-AI-Skills

Made for: Claude Code.

Or install major-ai-skills, the plugin that ships this one along with the rest of its 147 skills, 8 plugins.

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 cross-check-legal-advice

README.md
[![agentmods](https://agentmods.dev/badge/skills/alivirgo/major-ai-skills/cross-check-legal-advice/github.svg)](https://agentmods.dev/skills/alivirgo/major-ai-skills/cross-check-legal-advice)
Your own site
<a href="https://agentmods.dev/skills/alivirgo/major-ai-skills/cross-check-legal-advice"><img src="https://agentmods.dev/badge/skills/alivirgo/major-ai-skills/cross-check-legal-advice/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 cross-check-legal-advice

Your own site · 80×15
<a href="https://agentmods.dev/skills/alivirgo/major-ai-skills/cross-check-legal-advice"><img src="https://agentmods.dev/badge/skills/alivirgo/major-ai-skills/cross-check-legal-advice.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,053 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 $0.00029 $0.01053
Opus 5 $0.00015 $0.00526
Sonnet 5 $0.00006 $0.00211
Haiku 4.5 $0.00003 $0.00105

Measured yesterday against content hash 595f55259cde, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

cross-check-legal-advice 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 yesterday.

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.

skills/cross-check-legal-advice/SKILL.md · 99 lines

How it starts

The opening of the file, as written. The whole thing — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Overview

Large Language Models are exceptional at translating dense legalese into plain English and spotting missing clauses in standard boilerplate. However, AI assistants are not licensed attorneys: they cannot assess local jurisdictional nuances, recent statutory changes, or courtroom enforceability, and they may hallucinate non-existent case precedents.

This skill establishes the Legal Issue-Spotting Protocol: using AI to understand contractual mechanics and draft targeted questions, while ensuring all binding decisions are reviewed by certified legal counsel.


┌─────────────────────────────────────────────────────────────┐
│                 The Safe Legal Workflow                     │
│                                                             │
│  [ WHAT AI DOES SAFELY (Issue-Spotting & Prep) ]            │
│  • Explains legalese terms in plain English                 │
│  • Identifies missing boilerplate (e.g. indemnity, IP terms)│
│  • Generates a list of targeted questions for your lawyer   │
│                                                             │
│  [ WHAT REQUIRES LICENSED COUNSEL (Binding Judgment) ]      │
│  • Confirming state / local jurisdictional enforceability   │
│  • Signing binding settlements, agreements, or NDA waivers  │
│  • Final litigation strategy & liability risk sign-off      │
└─────────────────────────────────────────────────────────────┘

Pattern 1: The Contract Issue-Spotter & Redline Helper

Use when reviewing commercial contracts, MSAs, or NDAs:

Analyze the attached contract clause: [PASTE CLAUSE].

Context: I am the [BUYER / SELLER / SERVICE PROVIDER] based in [STATE / COUNTRY].

Provide:
1. **Plain-English Translation**: What does this clause actually mean in simple terms?
2. **Who It Favors**: Does this favor the other party or my company?
3. **Risk Exposure**: What is the worst-case liability or financial risk under this wording?
4. **Proposed Redline**: A balanced, fair revision to protect my interests.
5. **Questions for My Attorney**: 2 specific questions I should ask my legal counsel before signing.

Read the full file on GitHub · 99 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. yesterday Changed · -3 tokens per session 595f55259cde
  2. 7d ago First seen · 99 lines · 32 tokens per session scan A b6cf47bbf2a4

Subscribe to this mod's changes

cross-check-legal-advice is a skill published in the GitHub repository alivirgo/Major-AI-Skills (1 stars, last pushed today), licensed MIT. It adds 29 tokens to every session and 1,053 once invoked, about $0.0001 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 2026-09-05.

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