documentation-and-adrs

documentation-and-adrs is a skill for Claude Code, Codex from is-bo/fullstack-forge-skill. It costs 43 tokens per session (2,139 once invoked), scanned A, a copy of documentation-and-adrs, Apache-2.0.

A set of practices for recording important technical decisions and the reasons behind them, including Architecture Decision Records (ADRs), which are short notes about major design choices.

In plain words
What is it for?
Use it when choosing frameworks, libraries, data models, authentication methods, or APIs, and when shipping changes that affect users or public interfaces.
Why use it?
It prevents future developers and coding agents from having to rediscover why the codebase was built a certain way. It keeps decision context from being lost when people change or leave the project.

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/is-bo/fullstack-forge-skill/documentation-and-adrs
Any agent
npx skills add is-bo/fullstack-forge-skill --skill documentation-and-adrs
Clone the repo
git clone --depth 1 https://github.com/is-bo/fullstack-forge-skill

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 documentation-and-adrs

README.md
[![agentmods](https://agentmods.dev/badge/skills/is-bo/fullstack-forge-skill/documentation-and-adrs.svg)](https://agentmods.dev/skills/is-bo/fullstack-forge-skill/documentation-and-adrs)
Your own site
<a href="https://agentmods.dev/skills/is-bo/fullstack-forge-skill/documentation-and-adrs"><img src="https://agentmods.dev/badge/skills/is-bo/fullstack-forge-skill/documentation-and-adrs.svg" alt="Measured on agentmods" height="20"></a>
Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,139 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod 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 $0.00043 $0.02139
Opus 5 $0.00022 $0.01069
Sonnet 5 $0.00009 $0.00428
Haiku 4.5 $0.00004 $0.00214

Measured 4d ago against content hash b867bb80fb68, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

documentation-and-adrs 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.

Origin

This is a copy

100% identical to documentation-and-adrs — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

third_party/agent-skills/addy-agent-skills/content/skills/documentation-and-adrs/SKILL.md · 289 lines

How it starts

The opening of the file, as written. The whole thing — 289 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Documentation and ADRs

Overview

Document decisions, not just code. The most valuable documentation captures the why — the context, constraints, and trade-offs that led to a decision. Code shows what was built; documentation explains why it was built this way and what alternatives were considered. This context is essential for future humans and agents working in the codebase.

When to Use

  • Making a significant architectural decision
  • Choosing between competing approaches
  • Adding or changing a public API
  • Shipping a feature that changes user-facing behavior
  • Onboarding new team members (or agents) to the project
  • When you find yourself explaining the same thing repeatedly

When NOT to use: Don't document obvious code. Don't add comments that restate what the code already says. Don't write docs for throwaway prototypes.

Architecture Decision Records (ADRs)

ADRs capture the reasoning behind significant technical decisions. They're the highest-value documentation you can write.

When to Write an ADR

  • Choosing a framework, library, or major dependency
  • Designing a data model or database schema
  • Selecting an authentication strategy
  • Deciding on an API architecture (REST vs. GraphQL vs. tRPC)
  • Choosing between build tools, hosting platforms, or infrastructure
  • Any decision that would be expensive to reverse

Match the existing convention first

Before creating an ADR, inspect the available repository context for an established convention — existing ADRs, project instructions, and ADR-related configuration or tooling (e.g. an .adr-dir file). An established convention overrides the defaults below. Match:

  • Location and format — e.g. docs/adr/*.md, Documentation/Decisions/*.rst, a MADR layout, or an adr-tools setup. Match the existing directory, file extension, and markup (Markdown vs reStructuredText).
  • Numbering and naming — continue the existing sequence and filename pattern (ADR-004-Title.rst, 0004-title.md, …); don't restart at 001 or introduce a second scheme.
  • Section headings — reuse the project's heading set rather than imposing this template's.

Read the full file on GitHub · 289 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. 4d ago First seen · 289 lines · 43 tokens per session scan A b867bb80fb68

Subscribe to this mod's changes

documentation-and-adrs is a skill published in the GitHub repository is-bo/fullstack-forge-skill (2 stars, last pushed 6d ago), licensed Apache-2.0. It adds 43 tokens to every session and 2,139 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to documentation-and-adrs, differing in 0 lines, and is treated as a copy.

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