auto-license-check

auto-license-check is a skill for Claude Code, Codex from mr-tbot/Auto-Everything. It costs 92 tokens per session (3,984 once invoked), scanned A, original, MIT.

A software-license audit for a codebase and its dependencies, checked against how you plan to release the product. It identifies obligations such as sharing source code or adding notices.

In plain words
What is it for?
Use it to inventory dependency licenses, assess GPL or AGPL copyleft exposure, review whether closed-source distribution is possible, and list required notices, attributions, and remedies.
Why use it?
It helps reveal licensing problems before you ship, sell, publish, seek funding, or go through an acquisition. Unknown licenses are reported as unresolved instead of guessed.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to inventory dependency licenses, assess GPL or AGPL copyleft exposure, review whether closed-source distribution is possible, and list required notices, attributions, and remedies.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/mr-tbot/auto-everything/auto-license-check
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 mr-tbot/Auto-Everything --skill auto-license-check
Clone the repo
git clone --depth 1 https://github.com/mr-tbot/Auto-Everything

Made for: Claude Code, Codex.

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 auto-license-check

README.md
[![agentmods](https://agentmods.dev/badge/skills/mr-tbot/auto-everything/auto-license-check/github.svg)](https://agentmods.dev/skills/mr-tbot/auto-everything/auto-license-check)
Your own site
<a href="https://agentmods.dev/skills/mr-tbot/auto-everything/auto-license-check"><img src="https://agentmods.dev/badge/skills/mr-tbot/auto-everything/auto-license-check/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 auto-license-check

Your own site · 80×15
<a href="https://agentmods.dev/skills/mr-tbot/auto-everything/auto-license-check"><img src="https://agentmods.dev/badge/skills/mr-tbot/auto-everything/auto-license-check.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 92 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,984 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Rogue Agent · line 114
    Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.
    Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
  • medium Data Exfiltration · line 243
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
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 $0.00092 $0.03984
Opus 5 $0.00046 $0.01992
Sonnet 5 $0.00018 $0.00797
Haiku 4.5 $0.00009 $0.00398

Measured 9d ago against content hash e26594dd3612, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

auto-license-check scanned grade A with 1 finding 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 9d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

(`curl -4 -s 'https://api.clearlydefined.io/definitions/<type>/<provider>/<ns>/<name>/<rev>'` — the
skills/auto-license-check/SKILL.md · 280 lines

How it starts

The opening of the file, as written. The whole thing — 280 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/auto-license-check

A deep audit of every license obligation attaching to this codebase, judged against how the user actually intends to release it. Mission-critical and non-speculative: every finding cites the license text or the package artifact it came from, and an unknown license is a blocker, never a guess.

Not legal advice, and say so once. You produce the inventory, the obligations, and the remedies with their costs. Counsel decides what it means. Name license sections only when you have read them in the actual license file — never invent a section number, a case cite, or a clause.

Step 1 — The Intake (mandatory, ask before scanning)

The same dependency is fine in one release model and fatal in another. Do not scan until these are answered — ask them as concrete options, not open questions:

  1. Release model — open source / closed source / source-available / internal only / not decided.
  2. Intended license, if open source, or "help me pick".
  3. Selling it? — direct sale, subscription/SaaS, paid app, dual-licensed, free with paid support, or not commercial.
  4. How it reaches users — SaaS the user never gets a copy of / downloadable binary / app store / OTA or sideload / library or SDK others embed / container image / on-prem appliance / firmware. Answer per channel — an app that ships to a store and to a test fleet has two answers, and they can differ.
  5. Who contributed — solo, employees, outside contributors, contractors, AI assistance. Determines whether the user can relicense their own project at all.
  6. Deadline and trigger — routine, pre-release, or diligence/acquisition.

Record the answers at the top of the report. Every finding is then judged against that target, and a change to the target invalidates the audit.

If the user does not know their release model, that is the first deliverable — walk the four tiers (permissive / weak copyleft / strong copyleft / source-available or proprietary) against their selling and distribution answers, and get a decision before scanning.

Read the full file on GitHub · 280 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. 9d ago First seen · 280 lines · 92 tokens per session scan A e26594dd3612

Subscribe to this mod's changes

auto-license-check is a skill published in the GitHub repository mr-tbot/Auto-Everything (7 stars, last pushed 7d ago), licensed MIT. It adds 92 tokens to every session and 3,984 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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