How to Validate URDF Files in GitHub Actions Without Installing ROS

1. The problem (3 sentences)

   • ROS CI pipelines are slow because check_urdf needs full ROS install
   • Most GitHub Actions runners don't have ROS
   • You just want to catch broken joint refs before merging

2. The solution (show the YAML)

   • 6 lines of GitHub Action config
   • No ROS install, no Docker, runs in 5 seconds

3. Real example (screenshot)

   • Show NASA Robonaut 2 URDF passing validation
   • Show a broken URDF failing with clear error messages

4. How to set it up (step by step)

   • Create free account (link)
   • Copy API key to GitHub Secrets
   • Add the YAML to your repo

5. Free tier: 50 validations/month, no credit card