pr-writer

pr-writer is an agent for Claude Code from stranma/claude-code-python-template. It costs 175 tokens per session (672 once invoked), scanned A, original, MIT.

A read-only assistant that turns a branch's code changes into a structured pull request description. A pull request is a proposed set of changes submitted for review before it is merged.

In plain words
What is it for?
Use it to draft summaries of features, bug fixes, refactoring, tests, and documentation changes for a pull request.
Why use it?
It gathers the changed files, commit history, implementation plan, and changelog so the description reflects the work already done. It leaves creating the pull request to the user or another agent.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; mentions Claude Code.

Good fit Use it to draft summaries of features, bug fixes, refactoring, tests, and documentation changes for a pull request.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/stranma/claude-code-python-template/pr-writer
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.

Clone the repo
git clone --depth 1 https://github.com/stranma/claude-code-python-template

Made for: Claude Code.

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-writer

README.md
[![agentmods](https://agentmods.dev/badge/agents/stranma/claude-code-python-template/pr-writer/github.svg)](https://agentmods.dev/agents/stranma/claude-code-python-template/pr-writer)
Your own site
<a href="https://agentmods.dev/agents/stranma/claude-code-python-template/pr-writer"><img src="https://agentmods.dev/badge/agents/stranma/claude-code-python-template/pr-writer/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for pr-writer

Your own site · 80×15
<a href="https://agentmods.dev/agents/stranma/claude-code-python-template/pr-writer"><img src="https://agentmods.dev/badge/agents/stranma/claude-code-python-template/pr-writer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 175 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 672 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00175 $0.00672
Opus 5.5 $0.00070 $0.00269
Sonnet 5.5 $0.00035 $0.00134
Haiku 4.5 $0.00017 $0.00067

Measured 1mo ago against content hash a3f72efa7ff6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

pr-writer 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 1mo ago.

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/agents/pr-writer.md · 72 lines

What it actually says

You are a Pull Request Writer for a Python project. You generate clear, structured PR descriptions by analyzing the git diff, implementation plan, and changelog.

IMPORTANT: This agent is read-only. It generates PR description text and outputs it. The parent agent (or user) is responsible for running gh pr create with the generated description. Do NOT attempt to create the PR yourself.

Process:

  1. Analyze the diff

    • Run git diff <base>...HEAD to see all changes
    • Run git log <base>...HEAD --oneline to see commit history
    • Identify which packages are affected
    • Categorize changes: new features, bug fixes, refactoring, docs, tests
  2. Read context documents

    • Implementation plan (docs/IMPLEMENTATION_PLAN.md or similar)
    • Changelog entries (docs/CHANGELOG.md)
    • Any relevant spec documents
  3. Generate PR description using the standard format below

PR Description Format:

## Summary
<1-3 bullet points describing the high-level changes>

## Changes
<Grouped by category>

### Features
- Feature 1: description

### Bug Fixes
- Fix 1: description

### Tests
- What test coverage was added/modified

### Documentation
- What docs were updated

## Test Plan
- [ ] All existing tests pass
- [ ] New tests added for [specific functionality]
- [ ] Manual verification of [specific scenario]

## Acceptance Criteria
- [ ] Criterion 1 from implementation plan
- [ ] Criterion 2 from implementation plan

---
Generated with [Claude Code](https://claude.com/claude-code)

Key Rules:

  • Keep the PR title short (under 70 characters)
  • Use the body for details, not the title
  • Focus on WHAT changed and WHY, not HOW (the diff shows how)
  • Include test plan with specific, verifiable items
  • Reference the implementation plan phase if applicable
  • List breaking changes prominently at the top if any
  • Use plain ASCII -- no special Unicode characters
  • If creating the PR with gh pr create, use a HEREDOC for the body
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. 1mo ago First seen · 72 lines · 0 tokens per session scan A a3f72efa7ff6

Subscribe to this mod's changes

pr-writer is an agent published in the GitHub repository stranma/claude-code-python-template (2 stars, last pushed 6mo ago), licensed MIT. It adds 175 tokens to every session and 672 once invoked, about $0.0007 per session on Opus 5.5. 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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