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api-changelog-summarizer

Vendor-neutral skill to convert an API diff (before/after schemas or endpoints) into a structured changelog with breaking changes and migration guidance.

Skill by sisodiabhumca

IndexedMIT
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/sisodiabhumca-api-changelog-summarizer

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Vendor-neutral skill to convert an API diff (before/after schemas or endpoints) into a structured changelog with breaking changes and migration guidance.

Use cases: backend

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Secrets
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Install scripts
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Runs as
Python package

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/api-changelog-summarizer

What's inside

Skill name
api-changelog-summarizer
Description
Vendor-neutral skill to convert an API diff (before/after schemas or endpoints) into a structured changelog with breaking changes and migration guidance.
License
MIT
Instructions
32 lines in SKILL.md · view on GitHub

Before installing

  • Ships executable scripts

Files (4)

  • README.md
  • SKILL.md
  • api_changelog_summarizer.py
  • summarize_api_diff.py

SKILL.md (first lines)

## When to invoke
- You have an API change (OpenAPI fragments, endpoint lists, or schema diffs) and need a human-readable changelog.
- You want release notes with clear breaking vs non-breaking classification.

## Inputs needed
- A JSON diff describing changes (added/removed/modified endpoints and fields).
- Optional release metadata: version, date, owner.

## Workflow
1. Validate diff structure and normalize identifiers.
2. Classify each change as breaking / behavioral / non-breaking.
3. Group by endpoint or component.
4. Generate migration notes (what to update in clients).
5. Output a Markdown changelog with concise bullets.

## Output format
Markdown with:
- Release header
- Breaking changes
- Behavioral changes
- Non-breaking changes
- Deprecations
- Migration notes

## Guardrails
- If the diff does not include enough information to classify a change, mark it as "needs review".
- Do not invent endpoints or fields.

## Reference code
- `summarize_api_diff.py` reads a JSON diff and writes Markdown changelog.

From sisodiabhumca/agent-skills, MIT.

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Last commit (this folder)
May 16, 2026 (5 months ago)
Last release
Oct 24, 2026 (5 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
Repository
github.com/sisodiabhumca/agent-skills
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

More from sisodiabhumca

Cite this page

api-changelog-summarizer skill. Agent Mart. https://agentmart.dev/skills/sisodiabhumca-api-changelog-summarizer (last updated 2026-10-24)