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changelog-generator

changelog-generator is a skill for Claude Code from FortiumPartners/ensemble. It costs 0 tokens per session (861 once invoked), scanned A, original, MIT.

A release-note generator that reads Conventional Commits, a standard format for describing code changes, and groups them into readable changelog sections.

In plain words
What is it for?
It helps create Markdown, JSON, or plain-text changelogs, identify breaking changes, and suggest a software version increase.
Why use it?
It removes the need to sort commit history and write release notes by hand.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the ensemble-git plugin — 3 skills, 3 agents shipped together

not rated 12repo +1 2d ago A scan 0 tokens original MIT

Good fit It helps create Markdown, JSON, or plain-text changelogs, identify breaking changes, and suggest a software version increase.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/fortiumpartners/ensemble/changelog-generator
View source ↗ FortiumPartners/ensemble
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 FortiumPartners/ensemble --skill changelog-generator
Clone the repo
git clone --depth 1 https://github.com/FortiumPartners/ensemble

Made for: Claude Code.

Or install ensemble-git, the plugin that ships this one along with the rest of its 3 skills, 3 agents.

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 changelog-generator

README.md
[![agentmods](https://agentmods.dev/badge/skills/fortiumpartners/ensemble/changelog-generator/github.svg)](https://agentmods.dev/skills/fortiumpartners/ensemble/changelog-generator)
Your own site
<a href="https://agentmods.dev/skills/fortiumpartners/ensemble/changelog-generator"><img src="https://agentmods.dev/badge/skills/fortiumpartners/ensemble/changelog-generator/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 changelog-generator

Your own site · 80×15
<a href="https://agentmods.dev/skills/fortiumpartners/ensemble/changelog-generator"><img src="https://agentmods.dev/badge/skills/fortiumpartners/ensemble/changelog-generator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 861 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.
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 $0.00000 $0.00861
Opus 5 $0.00000 $0.00430
Sonnet 5 $0.00000 $0.00172
Haiku 4.5 $0.00000 $0.00086

Measured 6d ago against content hash 965b501fa03e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

changelog-generator 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 6d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/generate-changelog.js), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

packages/git/skills/changelog-generator/SKILL.md · 132 lines

How it starts

The opening of the file, as written. The whole thing — 132 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Changelog Generator Skill

Quick Reference - Parse conventional commits and generate categorized changelog

Mission

Generate changelog from conventional commits with categorization (Features, Bug Fixes, Breaking Changes, Performance, Documentation) and formatted output for release notes.

Core Capabilities

  • Conventional Commit Parsing: Extract type, scope, description, breaking changes
  • Change Categorization: Group by type (feat, fix, perf, docs, refactor, test, chore)
  • Breaking Change Detection: Identify BREAKING CHANGE footer and ! syntax
  • Semantic Version Integration: Suggest version bump based on change types
  • Multi-Format Output: Markdown, JSON, plain text formats

Quick Start

const { ChangelogGenerator } = require('./scripts/generate-changelog.js');

const generator = new ChangelogGenerator({
  fromTag: 'v2.0.0',
  toTag: 'HEAD',
  format: 'markdown'
});

const changelog = await generator.generate();
console.log(changelog);

Conventional Commit Format

<type>(<scope>): <description>

[optional body]

[optional footer(s)]

Supported Types:

  • feat: New feature → Features section
  • fix: Bug fix → Bug Fixes section
  • perf: Performance improvement → Performance section
  • docs: Documentation → Documentation section
  • style: Code style (no logic change)
  • refactor: Code refactoring
  • test: Test additions/updates
  • chore: Build/tooling changes

Breaking Changes:

  • BREAKING CHANGE: footer → Breaking Changes section
  • ! after type/scope → Breaking Changes section

Category Priority

  1. Breaking Changes (highest impact)
  2. Features (new functionality)
  3. Bug Fixes (fixes)
  4. Performance (optimizations)
  5. Documentation (docs updates)

Example Output

## [2.1.0] - 2025-11-05

### Breaking Changes
- **auth**: Remove deprecated OAuth 1.0 support (c4f3b2a)

### Features
- **api**: Add rate limiting with Redis backend (a1b2c3d)
- **ui**: Implement dark mode toggle (e5f6g7h)

### Bug Fixes
- **database**: Fix connection pool exhaustion (i8j9k0l)
- **auth**: Resolve JWT token expiration edge case (m1n2o3p)

### Performance
- **api**: Optimize query performance with database indexes (q4r5s6t)

Read the full file on GitHub · 132 lines

Files

What ships with it

3 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. 6d ago First seen · 132 lines · 0 tokens per session scan A 965b501fa03e

Subscribe to this mod's changes

changelog-generator is a skill published in the GitHub repository FortiumPartners/ensemble (12 stars, last pushed 2d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 861 tokens. 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 2026-09-03.

Claude CodeCommitsGit and workflowReleasesWriting and docsai-developmentclaudeclidevelopment-toolsnodejs
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