Can it identify security vulnerabilities?

Yes, it specifically scans diffs for serious risks such as security flaws, broken authentication, data loss, and performance regressions.

Does it support different package managers?

The skill automatically filters out common lock files for npm, pnpm, and yarn to ensure the diff analysis remains focused on meaningful code changes.

How does this skill help with code reviews?

It generates high-signal context including a summary of changes, behavioral impacts, and potential risks, which allows reviewers to focus on logic rather than trying to figure out what changed.

What happens if I use this on the main branch?

It enters Repo Context Mode, providing an overview of the tech stack, project structure, recent activity, and entry points instead of a PR diff.

Build PR Context

Name: Build PR Context
Author: Olshansk

byOlshansk

•

Collaboration Tools

Prepares detailed pull request summaries by analyzing diffs, assessing risks, and generating targeted review questions.

The Build PR Context skill automates the critical preparation phase of the code review process, ensuring human reviewers have high-signal information immediately. It intelligently detects repository defaults, performs noise-filtered diff analysis, and evaluates changes for behavioral impacts and security risks. By surfacing key files and asking specific questions to the developer, it significantly reduces the cognitive load required to understand complex changes and speeds up the path to merge. When used on a default branch, it pivots to a repository exploration mode, providing a comprehensive overview of tech stacks and project structure for rapid onboarding.

Key Features

01Automated 'triple-dot' diff analysis excluding lock files and noise

02Intelligent risk assessment for security, performance, and breaking changes

03Context-aware modes for both active development and repo exploration

04Repository structure and tech stack auto-discovery

05Structured PR summaries with plain-English behavioral impact reports

066 GitHub stars

Use Cases

01Onboarding to a new repository by generating a high-level project map

02Preparing a high-quality pull request description for peer review

03Identifying hidden risks and edge cases in large, complex code diffs

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add olshansk/agent-skills cmd-pr-build-context

For use in Claude.ai and ChatGPT

Key Features

01Automated 'triple-dot' diff analysis excluding lock files and noise

02Intelligent risk assessment for security, performance, and breaking changes

03Context-aware modes for both active development and repo exploration

04Repository structure and tech stack auto-discovery

05Structured PR summaries with plain-English behavioral impact reports

066 GitHub stars

Use Cases

01Onboarding to a new repository by generating a high-level project map

02Preparing a high-quality pull request description for peer review

03Identifying hidden risks and edge cases in large, complex code diffs

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add olshansk/agent-skills cmd-pr-build-context

For use in Claude.ai and ChatGPT