Catalog
mattpocock/pr

Use when writing a PR body.

v1.0LATEST
NewUpdated Sep 30, 2026

Use this template for writing the PR body:

## Summary

<diagram, diff-sketch, or tree>

## Evidence

- **Before:** <screenshot/output/failing test run>
  **After:** <screenshot/output/passing test run>

## Merge Danger

**Door:** <one-way or two-way>

<optional: description>

**Blast Radius:** <one-word description>

<optional: potential ramifications of merge>

Sections

Skip all preambles and keep prose brief. Use the user's domain language from GLOSSARY.md.

Summary

Pick the smallest view that makes the key point clear.

  • Show logic or an algorithm as pseudocode:
on(save)
  if content is unchanged
    return cached result
  write new content
  return fresh result
  • Show runtime control flow as a call tree:
submitForm
  createSession
    persistPrompt
    launchAgent
  navigateToSession
  • Show UI structure as a component tree, including state and module boundaries that matter:
<SessionPage> (apps/example/src/routes/session.tsx)
  useSessionEvents()
  <SessionToolbar>
    <RunSkillButton> (packages/ui)
  • Show file responsibility or a broad refactor as a shallow file tree:
src/
├── commands/       # parses user actions
├── sessions/       # owns session state
└── transport/      # sends API requests
  • Show component interaction, control flow, or data flow with Mermaid:
sequenceDiagram
    participant User
    participant UI
    participant Daemon
    User->>UI: choose command
    UI->>Daemon: send expanded prompt
    Daemon-->>UI: stream result
  • Use diff when the point is what changes and the surrounding shape already exists. Match the diff shape to the topic.

For a component change:

 <SessionPage>
   useSessionEvents()
   <SessionToolbar>
+    <RunSkillButton />
   <SessionTimeline>
+    <SkillResultCard />

For a file-layout change:

 src/
 ├── commands/
+│   └── show-me.ts       # expands the slash command
 ├── sessions/
-└── transport.ts
+└── transport/
+    ├── client.ts
+    └── stream.ts

For a call-tree or call-stack change:

 submitForm
   createSession
     persistPrompt
+    expandSkillMention
     launchAgent
-  navigateToSession
+  navigateToSession
+    subscribeToEvents

For a state or control-flow change:

 on(save)
-  write content
+  if content is unchanged
+    return cached result
+  write new content
+  invalidate cache
  • Show the whole block when most of it is new, when omitted context would hide ownership or order, or when the user needs a copyable target shape:
function expandSkill(command: string): string {
  const skillName = command.slice(1);
  return `use the ${skillName} skill`;
}

Guidance

Place each visual next to the short text it supports. Keep only the calls, files, props, states, and boundaries needed to answer the user's current question or the options to resolve the current discussion point.

You may use one of these, you may use several, it is unlikely you will use all of them. Use your judgement and don't overwhelm the user.

Evidence

Concrete evidence that the change works. Show a before and after.

Screenshots are S-tier - when the environment is set up for it and the change is visual.

Execution-based evidence is A-tier. Test results, console output. Show the exact test that now fails and passes, using pseudocode.

Merge Danger

Describe whether it's a one-way or two-way door. You can walk back through two-way doors, but not one-way doors. A PR that is cheap to roll back is lower risk. Changes that involve destructive actions or hard-to-reverse decisions are one-way doors.

The blast radius is the potential impact or scope of the changes introduced by this PR. Consider all possibilities. Examples are layout shift, breakages for consumers, mobile responsiveness, etc.

Files3
3 files · 1.7 KB

Select a file to preview

Overall Score

82/100

Grade

B

Good

Grades are signals, not a certification. Always review a skill yourself before use.

Safety

95

Quality

85

Clarity

88

Completeness

75

Summary

A skill template for writing effective PR descriptions that emphasize clarity and ease of review. It guides agents to create PR bodies with three core sections: a visual Summary (using pseudocode, trees, diffs, or Mermaid), concrete Evidence (before/after screenshots or test results), and Merge Danger analysis (identifying one-way vs two-way doors and blast radius). The skill credits and adapts patterns from Dex Horthy's show-me skill.

Detected Capabilities

Template guidanceMarkdown generationVisual notation examples (pseudocode, tree diagrams, diffs, Mermaid)

Trigger Keywords

Phrases that agents use to match this skill to user intent.

write pr descriptionpr body templatecreate pull requestdocument code changespr merge risk

Referenced Domains

External domains referenced in skill content, detected by static analysis.

github.com

Use Cases

  • Create well-structured PR descriptions
  • Communicate code changes visually
  • Document merge risks and impact scope
  • Provide before/after evidence for changes
  • Write PRs optimized for reviewer efficiency

Quality Notes

  • Skill is well-structured with clear sections and hierarchical organization
  • Extensive, practical examples for each visual representation type (pseudocode, trees, diffs, Mermaid)
  • Guidance is concrete and actionable — agents can apply patterns immediately
  • Proper attribution of source material (show-me skill) in CREDITS.md
  • Addresses user context by referencing GLOSSARY.md for domain language
  • Comprehensive coverage of evidence types with A/S-tier ranking
  • Risk framework (one-way vs two-way doors, blast radius) is domain-appropriate and specific to PR context
Model: claude-haiku-4-5-20251001Analyzed: Sep 30, 2026

Reviews

Add this skill to your library to leave a review.

No reviews yet

Be the first to share your experience.

Use mattpocock/pr in your dev environment

Command Palette

Search for a command to run...