changeset

A change-documentation assistant for preparing a changeset, a short record of how a code change affects users and versioning. It classifies whether the change affects behavior and whether it calls for a major, minor, patch, or no version change.

In plain words
What is it for?
Use it when adding a changeset, documenting a change, or deciding the appropriate semantic version impact.
Why use it?
It turns a code diff into a consistent description of its user impact and release significance.

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/orin-dx/agent-plugins/changeset
Any agent
npx skills add orin-dx/agent-plugins --skill changeset
Clone the repo
git clone --depth 1 https://github.com/orin-dx/agent-plugins

Made for: Claude Code, Codex.

Per session 162 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 522 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 $0.00162 $0.00522
Opus 5 $0.00081 $0.00261
Sonnet 5 $0.00032 $0.00104
Haiku 4.5 $0.00016 $0.00052

Measured yesterday against content hash 187703b885dd, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

changeset 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 yesterday.

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.

plugins/courier/skills/changeset/SKILL.md · 28 lines

What it actually says

Courier — Changeset

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. yesterday First seen · 28 lines · 162 tokens per session scan A 187703b885dd

Subscribe to this mod's changes

changeset is a skill published in the GitHub repository orin-dx/agent-plugins (1 stars, last pushed 5d ago), licensed MIT. It adds 162 tokens to every session and 522 once invoked, about $0.0008 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 2026-08-31.

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