judge

judge is a skill for Claude Code from rvdbreemen/adr-kit. It costs 22 tokens per session (339 once invoked), scanned A, original, MIT.

A checker for staged code changes against accepted Architecture Decision Records (ADRs), which document important technical choices.

In plain words
What is it for?
Use it to review a staged diff, report ADR violations, suggest compliant options, and inspect or configure the decision-checking rules.
Why use it?
It identifies changes that conflict with existing decisions or introduce significant undocumented choices before they are committed.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions Codex; $skill-name invocation.

Part of the adr-kit plugin — 17 skills, 1 command, 1 agent, 6 hooks, 1 MCP server shipped together

Good fit Use it to review a staged diff, report ADR violations, suggest compliant options, and inspect or configure the decision-checking rules.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/rvdbreemen/adr-kit/judge
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 rvdbreemen/adr-kit --skill judge
Clone the repo
git clone --depth 1 https://github.com/rvdbreemen/adr-kit

Made for: Claude Code.

Or install adr-kit, the plugin that ships this one along with the rest of its 17 skills, 1 command, 1 agent, 6 hooks, 1 MCP server.

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 judge

README.md
[![agentmods](https://agentmods.dev/badge/skills/rvdbreemen/adr-kit/judge/github.svg)](https://agentmods.dev/skills/rvdbreemen/adr-kit/judge)
Your own site
<a href="https://agentmods.dev/skills/rvdbreemen/adr-kit/judge"><img src="https://agentmods.dev/badge/skills/rvdbreemen/adr-kit/judge/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 judge

Your own site · 80×15
<a href="https://agentmods.dev/skills/rvdbreemen/adr-kit/judge"><img src="https://agentmods.dev/badge/skills/rvdbreemen/adr-kit/judge.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 22 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 339 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 $0.00022 $0.00339
Opus 5 $0.00011 $0.00169
Sonnet 5 $0.00004 $0.00068
Haiku 4.5 $0.00002 $0.00034

Measured 10d ago against content hash 58df08d19070, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

judge 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 10d 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.

codex/skills/judge/SKILL.md · 22 lines

What it actually says

Judge a staged diff

Invoke explicitly with $adr-kit:judge when needed. Resolve <plugin-root> from this installed skill. Use only bundled, local ADR Kit tools and follow this canonical workflow:

  1. Read the staged diff and stop clearly when it is empty.
  2. Call adr-kit.adr_judge; for each violation offer supersession, a narrow new decision, or the smallest compliant code change.
  3. When the diff implements a linked Proposed ADR or exposes an undocumented consequential decision, offer the exact client-native grill invocation without weakening Accepted ADR enforcement.
  4. Evaluate llm_judge: true rules in the active session and never send code to another provider without permission.
  5. On a settings request, run python <plugin-root>/bin/adr-judge --adr-dir docs/adr --show-config and report every value with its provenance, including an available: false backend rather than summarizing it away.
  6. Change the judge backend only through adr-judge --set-backend host --host-client <this client's id> (the host model is the only backend, ADR-036); never hand-edit .adr-kit.json, never ask for an API key, and never write a credential to a file, because that file is committed and the judge refuses a key found in it.

Do not contact another model or mutate user-owned instructions.

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. 10d ago First seen · 22 lines · 22 tokens per session scan A 58df08d19070

Subscribe to this mod's changes

judge is a skill published in the GitHub repository rvdbreemen/adr-kit (8 stars, last pushed 2d ago), licensed MIT. It adds 22 tokens to every session and 339 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 2026-08-31.

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