adr-authoring

adr-authoring is a skill for Claude Code, Codex from magnus919/hermes-profiles. It costs 63 tokens per session (1,542 once invoked), scanned A, original, MIT.

A guide to Architecture Decision Records, or short documents that explain important technical choices, their reasons, alternatives, and consequences.

In plain words
What is it for?
Use it to create, review, track, and organise proposed, accepted, maintained, or replaced architecture decisions.
Why use it?
It preserves how and why an architecture changed, including rejected options, so future engineers can understand decisions beyond the current system snapshot.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions AGENTS.md.

Good fit Use it to create, review, track, and organise proposed, accepted, maintained, or replaced architecture decisions.

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Install with agentmods
npx agentmods add skills/magnus919/hermes-profiles/adr-authoring
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 magnus919/hermes-profiles --skill adr-authoring
Clone the repo
git clone --depth 1 https://github.com/magnus919/hermes-profiles

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-authoring

README.md
[![agentmods](https://agentmods.dev/badge/skills/magnus919/hermes-profiles/adr-authoring/github.svg)](https://agentmods.dev/skills/magnus919/hermes-profiles/adr-authoring)
Your own site
<a href="https://agentmods.dev/skills/magnus919/hermes-profiles/adr-authoring"><img src="https://agentmods.dev/badge/skills/magnus919/hermes-profiles/adr-authoring/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 adr-authoring

Your own site · 80×15
<a href="https://agentmods.dev/skills/magnus919/hermes-profiles/adr-authoring"><img src="https://agentmods.dev/badge/skills/magnus919/hermes-profiles/adr-authoring.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,542 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
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 $0.00063 $0.01542
Opus 5 $0.00032 $0.00771
Sonnet 5 $0.00013 $0.00308
Haiku 4.5 $0.00006 $0.00154

Measured 11d ago against content hash 98d182855b08, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

adr-authoring 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 11d 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.

skills/architecture/adr-authoring/SKILL.md · 114 lines

How it starts

The opening of the file, as written. The whole thing — 114 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ADR Authoring

Architecture Decision Records for capturing design rationale. ADRs supply the temporal dimension — decisions over time — that structure-only views (C4) miss.

ADR-to-Pyramid Mapping

ADR State Pyramid Layer Path
Navigation index L1 (Summary) 01-summary/adr-index.md
Active ADRs L2 (Analysis) 02-analysis/architecture-decisions/ADR-NNN.md
Superseded ADRs L3 (Dossiers) 03-dossiers/adr-superseded.md

Without ADRs, an agent sees a snapshot of the structure but cannot reconstruct the path that led to it. Active ADRs in L2 provide the decision rationale. Superseded ADRs in L3 preserve the history of rejected alternatives.

ADR Lifecycle

ADRs progress through six stages, each with a gate criterion:

Initiating → Researching → Evaluating → Implementing → Maintaining → Sunsetting
Stage Status Pyramid Layer Consumer
Initiating proposed L2 (02-analysis/) Engineers evaluating
Researching proposed L2 (02-analysis/) Engineers evaluating
Evaluating proposed L2 (02-analysis/) Engineers deciding
Implementing accepted L2 (02-analysis/) Implementers, reviewers
Maintaining accepted L2 (02-analysis/) New team members, auditors
Sunsetting deprecated/superseded L3 (03-dossiers/) Historians

All live ADRs (proposed + accepted) stay in L2. Only superseded/deprecated ADRs move to L3. Proposed ADRs that are rejected should be moved to L3 with status rejected and a note on why.

Alternative Lifecycle: AWS ADR Process

AWS Prescriptive Guidance defines a complementary lifecycle with a structured review process for teams that prefer formal immutability over living documents.

States: proposed → accepted | rejected | superseded

Key difference: AWS treats ADRs as strictly immutable once accepted. Changing a decision requires a new ADR that supersedes the old one. The community ADR repo's teamwork advice prefers mutable living documents with date-stamped updates. Choose the model that fits your team's culture.

Read the full file on GitHub · 114 lines

Files

What ships with it

5 files 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. 11d ago First seen · 114 lines · 63 tokens per session scan A 98d182855b08

Subscribe to this mod's changes

adr-authoring is a skill published in the GitHub repository magnus919/hermes-profiles (169 stars, last pushed 2mo ago), licensed MIT. It adds 63 tokens to every session and 1,542 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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