Open source GitHub Action

Every code change tells a story.

The insight layer for modern engineering teams.

Free for 1 repository • No credit card required

Core Features

Powerful tools designed to streamline your development workflow and keep your team informed.

Pull Request Feedback

Surface signals directly in your PRs

  • Deployment links
  • Test results
  • Dependency changes
  • Structured CI output
Coming Soon

Health Reports

Understand your codebase over time

  • Bundle size trends
  • Dependency drift
  • Test stability
  • Weekly summaries
Coming Soon

AI Release Notes

Turn changes into clear updates

  • User-facing release notes
  • Internal summaries
  • Grouped PR insights

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

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

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
Health Reports

Weekly insights, delivered to Slack

Get automated reports on your codebase health every week. Stay on top of dependencies, bundle size, and code quality.

dev-heraldEvery Monday, 9am
Dev HeraldAPP
Dependencies & Security

Dependencies

8 updated (2 major — zod, date-fns added)

CVE

1 vulnerability (High severity)

👀 3✅ 1
dev-heraldEvery Monday, 9am
Dev HeraldAPP
Bundle Size Changes

Bundle Size

+14kb (this week)

Top Changes

/dashboard +8kb/home +6kb
👀 3✅ 1
dev-heraldEvery Monday, 9am
Dev HeraldAPP
Unused Code & Dependencies

Unused Code

~1,200 lines (estimated)

Unused Dependencies

lodashmoment
👀 3✅ 1
Coming Soon

Automated Release Notes

Generate beautiful release notes automatically from your PRs, powered by AI. Join the waitlist to be the first to know when we launch.

Simple, transparent pricing

Start free and upgrade when you need more repositories.

Free

$0

Perfect for open source maintainers and teams

Get Started
  • Unlimited public repos
  • Unlimited users
  • Unlimited comments
  • All templates included
  • Sticky comments
  • Community support

Pro

$15/month

Perfect for closed source teams

Get Started
  • Unlimited private repos
  • Unlimited comments with priority delivery
  • All Free features

Ready to enhance your GitHub workflow?

Join developers who are making their PRs more informative and engaging with automated comments.