code-change-summarizer

Generates clear and structured pull request descriptions from code changes. Use when Claude needs to: (1) Create PR descriptions from git diffs or code changes, (2) Summarize what changed and why, (3) Document breaking changes with migration guides, (4) Add technical details and design decisions, (5) Provide testing instructions, (6) Enhance descriptions with security, performance, and architecture notes, (7) Document dependency changes. Takes code changes as input, outputs comprehensive PR description in Markdown.

Install with Tessl CLI

npx tessl i github:ArabelaTso/Skills-4-SE --skill code-change-summarizer

What are skills?

Review — 75%

Does it follow best practices?

If you maintain this skill, you can automatically optimize it using the tessl CLI to improve its score:

npx tessl skill review --optimize ./path/to/skill

Learn more

Validation — 10 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Evaluation results

92%

21%

API Refactor: User Profile Endpoint Restructure

Breaking change documentation

Criteria

Without context

With context

Title type prefix

100%

Title length

100%

Summary length

100%

Active voice summary

100%

Changes categorized

Breaking change warning emoji

100%

Breaking change impact

37%

100%

Migration guide with steps

100%

Before/After code examples

100%

Related issue reference

100%

Final checklist

42%

100%

Testing section

50%

100%

Markdown output format

100%

Without context: $0.1282 · 39s · 8 turns · 13 in / 2,274 out tokens

With context: $0.5135 · 1m 41s · 17 turns · 3,595 in / 5,343 out tokens

95%

13%

Dependency Maintenance Sprint: Library Upgrades and New Tooling

Dependency and testing documentation

Criteria

Without context

With context

Title type prefix

100%

Title length

Dependencies Added section

100%

Dependencies Updated section

100%

Dependencies Removed section

100%

Testing steps numbered

100%

Unit test count

100%

Integration test count

100%

Coverage percentage

100%

Manual testing checklist

28%

100%

Documentation checklist

100%

Related issue reference

100%

Changes categorized

100%

Without context: $0.1975 · 59s · 12 turns · 19 in / 2,780 out tokens

With context: $0.6020 · 1m 53s · 23 turns · 3,602 in / 5,571 out tokens

99%

New Feature: Rate Limiting and Request Throttling Middleware

Technical details and security/architecture documentation

Criteria

Without context

With context

Title type prefix

100%

Title length

100%

Summary active voice

100%

Summary sentence count

100%

Technical implementation approach

100%

Design decisions documented

100%

Architecture changes noted

100%

Security improvements listed

100%

Security review status

100%

Performance metrics present

100%

Performance optimizations

100%

Related issue reference

100%

85%

Final checklist present

100%

Without context: $0.2037 · 1m 21s · 9 turns · 14 in / 3,850 out tokens

With context: $0.5558 · 2m 1s · 21 turns · 3,631 in / 5,900 out tokens

Evaluated: about 18 hours ago
Agent: Claude Code

Table of Contents

API Refactor: User Profile Endpoint Restructure Dependency Maintenance Sprint: Library Upgrades and New Tooling New Feature: Rate Limiting and Request Throttling Middleware

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.