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Agent skill

Generate Release Notes

by t4t5 in t4t5/rencal

Draft short project release notes from git tag diffs. An agent skill from t4t5/rencal.

MITAuto-check passedDevelopment

Install Generate Release Notes

skills CLI
$ npx skills add t4t5/rencal --skill generate-release-notes -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install t4t5/rencal generate-release-notes --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/t4t5/rencal.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/generate-release-notes .claude/skills/generate-release-notes && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
generate-release-notes
GitHub stars
159
Token cost
~717 tokens
SKILL.md length
206 words
Files
1
Skills in repo
6
Repo updated
First seen
Licence
MIT

At a glance

Draft short project release notes from git tag diffs. An agent skill from t4t5/rencal.

  • Works in 4 steps: Identify the current and previous… → Inspect the changes between tags → Inspect commit subjects/bodies for PR… → …
  • Asked to summarize changes between releases/tags
  • SKILL.md covers Workflow, Output style and Example
  • Calls git

What it does

Generate Release Notes is an agent skill from t4t5/rencal. Draft short project release notes from git tag diffs. Use when asked to summarize changes between releases/tags, especially when release notes should reference pull request numbers.

Its SKILL.md is about 720 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Changelog and release notes. It works with Git. The repository describes itself as: A modern desktop calendar. Built for Omarchy. The licence is MIT.

When your agent uses it

  • Asked to summarize changes between releases/tags
  • Especially when release notes should reference pull request numbers

Example prompts

  • “/generate-release-notes”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Identify the current and previous release tags.
  2. Inspect the changes between tags
  3. Inspect commit subjects/bodies for PR references
  4. If the diffstat is broad or unclear, inspect focused diffs for changed areas

What it can do on your machine

Read from SKILL.md and the folder at commit 95f05ce. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • git

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Generate Release Notes loads about 717 tokens when it runs. Until then it costs about 51 tokens; SKILL.md has 206 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~51
When it runs · the whole SKILL.md, loaded when a task matches
~717

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from t4t5/rencal at commit 95f05ce, republished under its MIT licence (© t4t5). 206 words, ~717 tokens.

Download SKILL.mdSave it as .claude/skills/generate-release-notes/SKILL.md (or your agent's skills folder).
name
generate-release-notes
description
Draft short project release notes from git tag diffs. Use when asked to summarize changes between releases/tags, especially when release notes should reference pull request numbers.

Release Notes

Use this skill to draft concise release notes for renCal from git history.

Workflow

  1. Identify the current and previous release tags.

    • If the user names a tag, use that as the current tag.
    • Otherwise use git describe --tags --abbrev=0 for the current tag.
    • Find the previous tag with git tag --sort=-creatordate or semver ordering when relevant.

  2. Inspect the changes between tags:

    bash
    git log --oneline --decorate <previous-tag>..<current-tag>
git diff --stat <previous-tag>..<current-tag>

  3. Inspect commit subjects/bodies for PR references:

    bash
    git log --format='%h%x09%s%x09%b' <previous-tag>..<current-tag>
    • Preserve PR references like (#30) from merge/squash commit subjects.
    • If a change comes from a non-PR commit, reference the short commit hash only when useful.
    • Prefer grouping related implementation details under the same PR number instead of listing every touched file.

  4. If the diffstat is broad or unclear, inspect focused diffs for changed areas:

    bash
    git diff <previous-tag>..<current-tag> -- <path>

Output style

  • Return short bullet-form notes grouped under these headings, omitting any empty section:
    • ### ✨ New features
    • ### 🛠️ Improvements
    • ### 🐛 Bug fixes
  • Mention the compared range before the grouped notes when helpful, e.g. v0.1.0 since v0.0.6.
  • Each bullet should describe user-visible impact first, then cite the PR/commit at the end.
  • Use HTML <kbd> tags for keyboard shortcuts, e.g. <kbd>Ctrl</kbd><kbd>K</kbd> or <kbd>.</kbd>.
  • Avoid internal implementation details unless they explain a visible improvement.
  • Keep wording release-note friendly: concise, polished, and understandable to users.

Example

markdown
### ✨ New features

- Added a <kbd>Ctrl</kbd><kbd>K</kbd> command palette for quickly switching themes, switching calendar groups, and performing other actions. (#47)
- Added “Go to date…” so you can jump directly to a specific date from the command palette or with <kbd>.</kbd>. (#50)

### 🛠️ Improvements

- Reminders now support weeks and months, not just shorter intervals. (#52)
- All-day event editing: disabled time fields look cleaner, and unchecking all-day restores the previously selected time. (#53)

### 🐛 Bug fixes

- Fixed a startup crash affecting some Nvidia driver setups. (#46)
- Fixed Linux single-instance handling so repeated launches focus the existing app instead of leaking extra WebKit processes. (#51)
- Fixed stale “today” state so the calendar updates correctly after the day changes. (098e366)

© t4t5, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .agents/skills/generate-release-notes of t4t5/rencal.

Open the folder on GitHubat commit 95f05ce

Compare with similar skills

Generate Release Notes next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Generate Release Notes compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Generate Release Notes this skillt4t5/rencal159—~717Automated safety check: PassMIT
React Router Release Notes Prepremix-run/react-router57k—~1.1kAutomated safety check: PassMIT
Draft Release Notesjamiepine/voicebox57k—~941Automated safety check: PassMIT
Mole Release Notes Publishertw93/Mole70k—~1.9kAutomated safety check: PassGPL-3.0
Release Bumpjamiepine/voicebox57k—~1.1kAutomated safety check: PassMIT
Git Workflow and Versioningaddyosmani/agent-skills103k2 repos~3.5kAutomated safety check: NotesMIT

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Works with

Categories

Questions about Generate Release Notes

What does Generate Release Notes do?

Draft short project release notes from git tag diffs. An agent skill from t4t5/rencal. Generate Release Notes is an agent skill from t4t5/rencal. Draft short project release notes from git tag diffs.

When should I use Generate Release Notes?

Generate Release Notes fits situations like: asked to summarize changes between releases/tags; especially when release notes should reference pull request numbers.

How do I install Generate Release Notes in Claude Code?

Run `npx skills add t4t5/rencal --skill generate-release-notes -a claude-code`. Or copy the skill folder (.agents/skills/generate-release-notes in t4t5/rencal) into .claude/skills/generate-release-notes in your project. Claude Code loads it when a task matches its description.

How do I install Generate Release Notes in Codex?

Run `npx skills add t4t5/rencal --skill generate-release-notes -a codex`. Or copy the skill folder (.agents/skills/generate-release-notes in t4t5/rencal) into .agents/skills/generate-release-notes in your project. Codex loads it when a task matches its description.

Can I use Generate Release Notes in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add t4t5/rencal --skill generate-release-notes -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/generate-release-notes, .gemini/skills/generate-release-notes, .github/skills/generate-release-notes and .opencode/skills/generate-release-notes in your project.

What does Generate Release Notes need to run?

Going by SKILL.md and its folder, Generate Release Notes needs the command-line tools its instructions call (git).

Does Generate Release Notes access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Generate Release Notes safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Generate Release Notes use?

Generate Release Notes is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Generate Release Notes use?

About 717 tokens (SKILL.md is roughly 2.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Generate Release Notes?

Skills that share tags, products or a category with Generate Release Notes: React Router Release Notes Prep (remix-run/react-router, 57k stars), Draft Release Notes (jamiepine/voicebox, 57k stars), Mole Release Notes Publisher (tw93/Mole, 70k stars) and Release Bump (jamiepine/voicebox, 57k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Generate Release Notes?

t4t5 (a GitHub user) maintains it in t4t5/rencal, which has 159 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on October 7, 2026.

Source: t4t5/rencal on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.