adr-linter

adr-linter is a skill for Claude Code, Codex from harumiWeb/exstruct. It costs 46 tokens per session (302 once invoked), scanned A, original, BSD-3-Clause.

A checker for an ADR draft. An ADR, or architecture decision record, is a document that explains an important technical decision and its consequences.

In plain words
What is it for?
Use it before reviewing or merging an ADR to check its structure, supporting tests or code, related records, and trade-offs.
Why use it?
It finds missing sections, invalid statuses, weak evidence, broken replacement links, and consequences that show only benefits.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/harumiweb/exstruct/adr-linter
Any agent
npx skills add harumiWeb/exstruct --skill adr-linter
Clone the repo
git clone --depth 1 https://github.com/harumiWeb/exstruct

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 adr-linter

README.md
[![agentmods](https://agentmods.dev/badge/skills/harumiweb/exstruct/adr-linter.svg)](https://agentmods.dev/skills/harumiweb/exstruct/adr-linter)
Your own site
<a href="https://agentmods.dev/skills/harumiweb/exstruct/adr-linter"><img src="https://agentmods.dev/badge/skills/harumiweb/exstruct/adr-linter.svg" alt="Measured on agentmods" height="20"></a>
Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 302 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00046 $0.00302
Opus 5 $0.00023 $0.00151
Sonnet 5 $0.00009 $0.00060
Haiku 4.5 $0.00005 $0.00030

Measured 4d ago against content hash 555d1fcf814d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

adr-linter 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 4d 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.

.agents/skills/adr-linter/SKILL.md · 34 lines

What it actually says

ADR Linter

Review the ADR as a decision record, not as prose polish.

Read

  1. dev-docs/agents/adr-governance.md
  2. dev-docs/agents/adr-workflow.md
  3. dev-docs/adr/template.md
  4. Related ADRs if the draft mentions supersede or overlap

Workflow

  1. Validate the status value.
  2. Check that the ADR has 状態, 背景, 決定, 影響, 根拠, Supersedes, and Superseded by.
  3. Verify that 根拠 contains concrete Tests, Code, or Related specs.
  4. Check that consequences include tradeoffs, not only benefits.
  5. If supersede or replacement is claimed, verify the referenced ADR links are present and consistent.

Output Contract

Return findings first, ordered by severity.

  • high: contract hole, missing decision, invalid status, missing supersede linkage
  • medium: weak context, weak evidence, one-sided consequences
  • low: clarity or consistency issues

If no findings exist, say that explicitly and mention any residual review risk.

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 4d ago First seen · 34 lines · 46 tokens per session scan A 555d1fcf814d

Subscribe to this mod's changes

adr-linter is a skill published in the GitHub repository harumiWeb/exstruct (196 stars, last pushed 2mo ago), licensed BSD-3-Clause. It adds 46 tokens to every session and 302 once invoked, about $0.0002 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 2026-08-30.

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