pr-description

pr-description is a skill for Claude Code, Codex from SpillwaveSolutions/wiki_ticket_sdd. It costs 62 tokens per session (921 once invoked), scanned A, original, MIT.

A guide for writing pull request descriptions, which explain proposed code changes before they are merged into a project.

In plain words
What is it for?
Use it when creating or editing a substantial pull request description, including its purpose, callers, problem, and detailed changes.
Why use it?
It preserves the reasoning, context, affected system areas, and runtime details so reviewers and future maintainers do not need to reconstruct them from code.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/spillwavesolutions/wiki_ticket_sdd/pr-description
Any agent
npx skills add SpillwaveSolutions/wiki_ticket_sdd --skill pr-description
Clone the repo
git clone --depth 1 https://github.com/SpillwaveSolutions/wiki_ticket_sdd

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for pr-description

README.md
[![agentmods](https://agentmods.dev/badge/skills/spillwavesolutions/wiki_ticket_sdd/pr-description.svg)](https://agentmods.dev/skills/spillwavesolutions/wiki_ticket_sdd/pr-description)
Your own site
<a href="https://agentmods.dev/skills/spillwavesolutions/wiki_ticket_sdd/pr-description"><img src="https://agentmods.dev/badge/skills/spillwavesolutions/wiki_ticket_sdd/pr-description.svg" alt="Measured on agentmods" height="20"></a>
Per session 62 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 921 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00062 $0.00921
Opus 5 $0.00031 $0.00461
Sonnet 5 $0.00012 $0.00184
Haiku 4.5 $0.00006 $0.00092

Measured yesterday against content hash 6b06346be539, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

pr-description scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/pr-description/SKILL.md · 97 lines

How it starts

The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.

High-quality PR descriptions

Run bin/worklog triggers pr-open. If pr-description is not in the list, skip this skill — the team opted the event out.

A PR description is a durable design record, useful long after the merge. Write for a smart colleague who has never seen this part of the system. Trivial PRs (typo, one-line fix) may use a short body; everything else follows this structure.

Structure

1. Title

Clear, specific, ticket-linked: #98: ia-render — reader plane write path.

2. The big picture (what we're building, where this PR fits)

Product context in plain language: the platform, the epic/capability this belongs to, the epic broken into a numbered pipeline with this PR marked:

Step 1: ...
Step 2: ...
Step 3: ...   <== THIS PR
Step 4: ...

Define domain terms on first use (fold, ledger, sidecar, MCP, ...).

3. Who actually calls this? / runtime context

The real caller and execution model: human + AI assistant, background job, hook, webhook, UI? What surrounding system runs it? Does anything run automatically or is confirmation gated? Security/permission notes (e.g. "forwards the user's real token").

4. The problem this PR solves

Concrete, numbered pain points that exist today. Why the naive approach fails and what correct behavior must be. The reader should feel the pain the PR eliminates.

5. What this PR actually does (scope)

The ticket's exact ask, then confirmation the PR delivers precisely that. Explicit in-scope / out-of-scope boundaries.

6. What exactly was added / changed

File by file (or component by component): path, what it contains, why it was designed that way (especially non-obvious decisions), implementation constraints (framework-free, no schema drift, deterministic output, ...). Describe new tools/prompts/schemas clearly.

7. The sequence / flow the code enforces

For multi-step processes (especially ones an AI must follow): exact ordered steps, decision points, confirmation gates, error handling, and explicit "never do X" rules.

Read the full file on GitHub · 97 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday Changed 6b06346be539
  2. 5d ago First seen · 97 lines · 62 tokens per session scan A 35b963e49e72

Subscribe to this mod's changes

pr-description is a skill published in the GitHub repository SpillwaveSolutions/wiki_ticket_sdd (10 stars, last pushed 2d ago), licensed MIT. It adds 62 tokens to every session and 921 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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