versioning-by-impact

versioning-by-impact is a skill for Claude Code, Codex from rexleimo/aios. It costs 29 tokens per session (379 once invoked), scanned A, original, MIT.

A guide for choosing a software version change from the actual impact of repository edits. Semantic versioning uses patch, minor, and major changes to communicate how updates may affect users.

In plain words
What is it for?
Use it before committing or publishing changes to decide whether to update the version and changelog for fixes, new features, or breaking changes.
Why use it?
It prevents version numbers and release notes from being chosen only by task size, especially when a change affects compatibility or documented behavior.

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/rexleimo/aios/versioning-by-impact
Any agent
npx skills add rexleimo/aios --skill versioning-by-impact
Clone the repo
git clone --depth 1 https://github.com/rexleimo/aios

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 versioning-by-impact

README.md
[![agentmods](https://agentmods.dev/badge/skills/rexleimo/aios/versioning-by-impact.svg)](https://agentmods.dev/skills/rexleimo/aios/versioning-by-impact)
Your own site
<a href="https://agentmods.dev/skills/rexleimo/aios/versioning-by-impact"><img src="https://agentmods.dev/badge/skills/rexleimo/aios/versioning-by-impact.svg" alt="Measured on agentmods" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 379 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 $0.00029 $0.00379
Opus 5 $0.00015 $0.00189
Sonnet 5 $0.00006 $0.00076
Haiku 4.5 $0.00003 $0.00038

Measured 5d ago against content hash c06f78e0a451, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

versioning-by-impact 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 5d 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.

skill-sources/versioning-by-impact/SKILL.md · 46 lines

What it actually says

Versioning by Impact

Overview

Apply Semantic Versioning decisions from actual change impact, not from task size.

Impact Rules

  • none: no repository file changes.
  • patch: backward-compatible fixes, docs updates, translation/content updates, non-breaking refactors.
  • minor: backward-compatible new features or new capabilities.
  • major: any breaking change to CLI behavior, config contract, file layout contract, or documented usage.

Required Output Format

Always report these 4 fields in final handoff:

  1. Version Impact: none|patch|minor|major
  2. Recommended Version: vX.Y.Z -> vA.B.C (or no change)
  3. Why: <one-sentence reason>
  4. Release Notes: short bullet list

Repository Commands

  • Read current version: cat VERSION
  • Bump version + changelog entry: scripts/release-version.sh <patch|minor|major> "summary"
  • Preview only: scripts/release-version.sh --dry-run <patch|minor|major> "summary"

Default Behavior

If impact is none, do not bump version. If impact is patch|minor|major, update both VERSION and CHANGELOG.md before commit.

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. 5d ago First seen · 46 lines · 29 tokens per session scan A c06f78e0a451

Subscribe to this mod's changes

versioning-by-impact is a skill published in the GitHub repository rexleimo/aios (52 stars, last pushed yesterday), licensed MIT. It adds 29 tokens to every session and 379 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 2026-08-30.

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