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Dev tools · June 3, 2026

BreakShield CI

Catch breaking API changes in pull requests before they ship

BreakShield CI launched on June 3, 2026 with 3 votes, #6,658 of 22,647 launches that month and more than 50% of that year's launches.

What it does

BreakShield CI is a GitHub App that automatically detects breaking API changes in every pull request. It parses TypeScript interfaces and OpenAPI specs using a full AST — not regex — and finds exactly which files and lines will break. Results appear as a PR comment and Check Run within seconds. What makes it different: - AST-verified evidence with exact file:line locations - Confidence scoring filters out noise automatically - Blocks merge on HIGH/CRITICAL risk - Free during beta

GitHub App that detects breaking API changes in pull requests using AST analysis. AI auto-fix with /fix command. Supports Gemini, OpenAI, Claude, Groq, Perplexity. Free and open-source.

BreakShield CI finds every breaking change in your pull requests and automatically fixes them with AI — before you click merge. Property email removed from UserResponse . 2 consumers affected. Install once. After that BreakShield CI runs automatically on every PR — zero config, zero YAML. One click on GitHub Marketplace. BreakShield CI gets read-only access to your PRs and code — nothing else. Push your branch normally. BreakShield CI picks up the webhook and starts analyzing in the background. A PR comment appears with breaking changes, exact file:line locations, confidence scores, and a risk badge. Every warning is backed by real code. We parse TypeScript with ts-morph — a full compiler…from breakshield-ci.vercel.app

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