create-changelog

create-changelog is a skill for Claude Code, Codex from tobihagemann/turbo. It costs 75 tokens per session (422 once invoked), scanned A, original, MIT.

A tool for creating a CHANGELOG.md, a file that records what changed in each software version. It can fill earlier entries from GitHub releases or Git tags.

In plain words
What is it for?
Use it to start, add, or backfill a changelog for a Git repository.
Why use it?
It avoids manually reconstructing a project's release history and keeps the changelog in a common format.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: names the AskUserQuestion tool.

Good fit Use it to start, add, or backfill a changelog for a Git repository.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/tobihagemann/turbo/create-changelog
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 tobihagemann/turbo --skill create-changelog
Clone the repo
git clone --depth 1 https://github.com/tobihagemann/turbo

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 create-changelog

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/tobihagemann/turbo/create-changelog"><img src="https://agentmods.dev/badge/skills/tobihagemann/turbo/create-changelog.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 75 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 422 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 $0.00075 $0.00422
Opus 5 $0.00037 $0.00211
Sonnet 5 $0.00015 $0.00084
Haiku 4.5 $0.00007 $0.00042

Measured 11d ago against content hash 9ccf2e10cfe1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

create-changelog 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.

claude/skills/create-changelog/SKILL.md · 34 lines

What it actually says

Create Changelog

Create a changelog backfilled with version history.

Step 1: Run /changelog-rules Skill

Run the /changelog-rules skill to load shared changelog conventions.

Step 2: Check for Existing Changelog

Use git rev-parse --show-toplevel to find the repository root. Look for the changelog file per /changelog-rules. If it already exists, use AskUserQuestion to confirm overwriting it. If the user declines (chooses the free-form "Other" option or asks to abort), stop without running the remaining steps.

Step 3: Backfill Version History

Collect release history from the most authoritative source available:

  1. GitHub releases (preferred): Run gh release list --limit 100 --json tagName,name,publishedAt,body to get release notes. For each release, parse the body into changelog entries.
  2. Git tags (fallback): If no GitHub releases exist, run git tag --sort=-v:refname to list tags. For each consecutive tag pair, run git log <older-tag>..<newer-tag> --oneline to collect commit summaries.

For each version, classify entries into the standard change types and apply the changelog-worthiness criteria per /changelog-rules.

Step 4: Write Changelog

Write the changelog following the /changelog-rules file structure and conventions.

Step 5: Present the Result

Briefly summarize how many versions were backfilled and which source was used (GitHub releases or git tags).

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 · 34 lines · 75 tokens per session scan A 9ccf2e10cfe1

Subscribe to this mod's changes

create-changelog is a skill published in the GitHub repository tobihagemann/turbo (402 stars, last pushed 2d ago), licensed MIT. It adds 75 tokens to every session and 422 once invoked, about $0.0004 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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