adr-drafter

adr-drafter is a skill for Claude Code, Codex from harumiWeb/exstruct. It costs 56 tokens per session (328 once invoked), scanned A, original, BSD-3-Clause.

A tool for drafting an Architecture Decision Record (ADR), which records a project's design choice, its context, consequences, and supporting evidence.

In plain words
What is it for?
It helps create a new ADR, propose an update to an existing ADR, or explain why an ADR is not needed.
Why use it?
It turns scattered information from issues, pull requests, code changes, tests, and specifications into a structured decision record. It also avoids claiming support when evidence is missing.

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-drafter
Any agent
npx skills add harumiWeb/exstruct --skill adr-drafter
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-drafter

README.md
[![agentmods](https://agentmods.dev/badge/skills/harumiweb/exstruct/adr-drafter.svg)](https://agentmods.dev/skills/harumiweb/exstruct/adr-drafter)
Your own site
<a href="https://agentmods.dev/skills/harumiweb/exstruct/adr-drafter"><img src="https://agentmods.dev/badge/skills/harumiweb/exstruct/adr-drafter.svg" alt="Measured on agentmods" height="20"></a>
Per session 56 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 328 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 $0.00056 $0.00328
Opus 5 $0.00028 $0.00164
Sonnet 5 $0.00011 $0.00066
Haiku 4.5 $0.00006 $0.00033

Measured 4d ago against content hash 131e95e7df68, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

adr-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 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-drafter/SKILL.md · 38 lines

What it actually says

ADR Drafter

Draft a policy record, not an implementation memo.

Read

  1. dev-docs/agents/adr-governance.md
  2. dev-docs/agents/adr-criteria.md
  3. dev-docs/agents/adr-workflow.md
  4. dev-docs/adr/template.md
  5. Related ADRs under dev-docs/adr/

Workflow

  1. Confirm whether the target is a new ADR or an update to an existing ADR.
  2. Read the issue, diff, relevant specs, tests, and implementation files.
  3. Extract:
    • policy-level context
    • chosen decision
    • positive and negative consequences
    • concrete evidence from tests, code, and related specs
  4. Produce one of these outputs:
    • a new ADR draft
    • an update proposal for an existing ADR
    • ADR not needed with rationale

Draft Rules

  • Keep why in the ADR and leave detailed how in code or specs.
  • Fill Tests, Code, and Related specs whenever possible.
  • If the policy replaces an old one, state the supersede relation explicitly.
  • If evidence is missing, say so instead of inventing support.
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 · 38 lines · 56 tokens per session scan A 131e95e7df68

Subscribe to this mod's changes

adr-drafter is a skill published in the GitHub repository harumiWeb/exstruct (196 stars, last pushed 2mo ago), licensed BSD-3-Clause. It adds 56 tokens to every session and 328 once invoked, about $0.0003 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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