Open source GitHub Action

GitHub comments for your workflows

Drop helpful comments into your pull requests - build links, test results and kudos, all from your CI.

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Everything you need to enhance your workflow

Powerful features designed to make your GitHub workflow more informative and engaging.

Setup in Seconds

Pre-configured templates mean you can start adding automated comments immediately. No complex configuration required.

Pre-built Templates

Choose from our library of professionally designed comment templates. Preview links, status updates, and more.

Sticky Comments

Update existing comments instead of creating new ones. Keep your PR threads clean and organized.

Comment When You Want

Total flexibility. Add comments at any stage of your workflow with a single line of config.

Works With Your CI

GitHub Actions out of the box. Drop it into your existing workflows instantly — with CircleCI and others coming soon.

Lightweight & Fast

Built for speed, not ceremony. The GitHub Action runs on a single curl — minimal overhead, instant delivery.

Real-world use cases

See how Dev Herald keeps your team informed with automated GitHub comments

dev-herald[bot]commented
1 minute ago
Tests

All tests passed successfully! 🎉

Test SuitePassedSkippedDuration
Unit Tests✅ 45⏩ 25.2s
E2E Tests✅ 15⏩ 345.1s
dev-herald[bot]commented
8 minutes ago
Dependencies

📦 Dependency changes (2)

PackageFrom → ToTypeCVEs
next14.1.0 → 15.0.0Major 🔴0
axios1.6.2 → 1.6.5Patch 🟢-1
dev-herald[bot]commented
12 minutes ago
Dependencies

📦 New dependencies added (2)

PackageVersionCVEsWeekly DLLast Release
zod3.23.009.1M2 weeks ago
clsx2.1.0012.4M1 month ago
dev-herald[bot]commented
4 minutes ago
Bundle

Bundle size analysis

RouteSizeΔ
/45.2 KB+2.1 KB
_app12.3 KB-0.5 KB
dev-herald[bot]commented
2 minutes ago
Build
ProjectDeploymentPreviewUpdated (UTC)
app 1
Ready
PreviewNov 6, 2025 7:07pm
app 2
Ready
PreviewNov 6, 2025 7:07pm
app 3
Ready
PreviewNov 6, 2025 7:07pm
dev-herald[bot]commented
5 minutes ago
Code Quality

TypeScript migration progress

More files migrated to TypeScript

.js.ts
📊 12 files migrated this PR
Coming Soon

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