Write Changelog

What it does

When your agent uses it

• Adding a changelog version
• Writing release notes
• Upgrading package versions
• The user mentions changelog

Example prompts

• “/write-changelog”

Workflow steps

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

1. 1Read the latest entry and CHANGELOG_ENTRIES at the bottom of changelog.ts.
2. 2Choose the next version. Default to the next patch (for example 4.1.6 → 4.1.7) unless the user names a version.
3. 3Add export const vX_Y_Z immediately after the ChangelogEntry type (newest entries stay at the top of the file).
4. 4Put vX_Y_Z first in CHANGELOG_ENTRIES.
5. 5Set date to today (YYYY-MM-DD).
6. 6Bump the six package versions to match.
7. 7Do not invent changes. Only describe what this release actually ships.

What it can do on your machine

Read from SKILL.md and the folder at commit df2dda2. 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

  No scripts in the folder and no shell commands in SKILL.md (its code samples are typescript).

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

• Network

  No URLs in SKILL.md.

  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

Write Changelog loads about 819 tokens when it runs. Until then it costs about 58 tokens; SKILL.md has 377 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it

~58

When it runs · the whole SKILL.md, loaded when a task matches

~819

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

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 petera2c/simple-table at commit df2dda2, republished under its MIT licence (© petera2c). 377 words, ~819 tokens.

name

write-changelog

description

Write Simple Table changelog entries and bump package versions. Use when adding a changelog version, writing release notes, upgrading package versions, or when the user mentions changelog, CHANGELOG, or a new release.

export const v4_1_7: ChangelogEntry = {
  version: "4.1.7",
  date: "2026-08-16",
  title: "Short name for the release",
  description: "One sentence: what changed for the person using the table.",
  changes: [
    {
      type: "improvement", // "feature" | "improvement" | "bugfix" | "breaking"
      description: "What the user sees or can do now.",
      link: "/docs/column-reordering", // optional
    },
  ],
};

© petera2c, 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/write-changelog of petera2c/simple-table.

Open the folder on GitHubat commit df2dda2