Sentinel prevents production incidents by catching broken API contracts before they merge. It's a GitHub App that diffs your OpenAPI schemas inside pull requests, flags breaking changes (like removed fields or changed types), and provides a plain-English summary of the downstream code that will break.

7 Open Issues Need Help Last updated: Sep 3, 2026

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good first issue phase-2 github-app

Sentinel prevents production incidents by catching broken API contracts before they merge. It's a GitHub App that diffs your OpenAPI schemas inside pull requests, flags breaking changes (like removed fields or changed types), and provides a plain-English summary of the downstream code that will break.

TypeScript
good first issue phase-1 core-analyzer

Sentinel prevents production incidents by catching broken API contracts before they merge. It's a GitHub App that diffs your OpenAPI schemas inside pull requests, flags breaking changes (like removed fields or changed types), and provides a plain-English summary of the downstream code that will break.

TypeScript
enhancement good first issue phase-1 core-analyzer

Sentinel prevents production incidents by catching broken API contracts before they merge. It's a GitHub App that diffs your OpenAPI schemas inside pull requests, flags breaking changes (like removed fields or changed types), and provides a plain-English summary of the downstream code that will break.

TypeScript

Sentinel prevents production incidents by catching broken API contracts before they merge. It's a GitHub App that diffs your OpenAPI schemas inside pull requests, flags breaking changes (like removed fields or changed types), and provides a plain-English summary of the downstream code that will break.

TypeScript
enhancement good first issue

Sentinel prevents production incidents by catching broken API contracts before they merge. It's a GitHub App that diffs your OpenAPI schemas inside pull requests, flags breaking changes (like removed fields or changed types), and provides a plain-English summary of the downstream code that will break.

TypeScript
enhancement help wanted good first issue

Sentinel prevents production incidents by catching broken API contracts before they merge. It's a GitHub App that diffs your OpenAPI schemas inside pull requests, flags breaking changes (like removed fields or changed types), and provides a plain-English summary of the downstream code that will break.

TypeScript
enhancement help wanted good first issue

Sentinel prevents production incidents by catching broken API contracts before they merge. It's a GitHub App that diffs your OpenAPI schemas inside pull requests, flags breaking changes (like removed fields or changed types), and provides a plain-English summary of the downstream code that will break.

TypeScript