whatisgithub

What is pr-auto?

vblagoje/pr-auto — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2025-01-15

★ 29Audience · developerComplexity · 2/5StaleSetup · easy

In one sentence

A GitHub Action that automatically writes pull request descriptions using an AI model. It reads the code changes and metadata when a PR opens and posts a clear summary in seconds, saving developers from typing it manually.

Mindmap

mindmap
  root((repo))
    What it does
      Auto PR descriptions
      Runs as GitHub Action
    How it works
      Reads PR metadata
      Calls AI model
      Posts description
    Setup
      API key secret
      Actions write permission
    Customization
      Swap AI provider
      Custom prompts

Code map

Detail Auto

An interactive map of this repo's files and how they connect — its source is parsed live in your browser. Click Visualize to build it.

filefunction / class

What do people build with it?

USE CASE 1

Automatically generate consistent, readable PR descriptions for every pull request opened in a repository.

USE CASE 2

Reduce documentation overhead for teams working across timezones with high PR volume.

USE CASE 3

Customize the AI prompt to match your team's preferred PR description style and tone.

What is it built with?

GitHub ActionsOpenAIGPT-4o-mini

How does it compare?

vblagoje/pr-autoable-rip/cc-visionrouteradityasharmadotai-hash/docs-reader-rag-agent
Stars292929
Language—JavaScriptPython
Last pushed2025-01-15——
MaintenanceStale——
Setup difficultyeasyeasyeasy
Complexity2/52/52/5
Audiencedeveloperdevelopervibe coder

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 30min

Requires an API key from an AI provider stored as a repository secret and Actions write permission on PRs.

Copy-paste prompts

Prompt 1
Help me add pr-auto to my GitHub repository so it automatically writes PR descriptions using GPT-4o-mini.
Prompt 2
Show me how to configure pr-auto to use Fireworks or Together.ai instead of the default OpenAI provider.
Prompt 3
How do I customize the system prompt in pr-auto so generated PR descriptions follow my team's format?
Prompt 4
Walk me through the GitHub Actions permissions and secrets I need to set up pr-auto safely, including for external fork PRs.

Frequently asked questions

What is pr-auto?

A GitHub Action that automatically writes pull request descriptions using an AI model. It reads the code changes and metadata when a PR opens and posts a clear summary in seconds, saving developers from typing it manually.

Is pr-auto actively maintained?

Stale — no commits in 1-2 years (last push 2025-01-15).

How hard is pr-auto to set up?

Setup difficulty is rated easy, with roughly 30min to a first successful run.

Who is pr-auto for?

Mainly developer.

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