How to check validity of GitLab CI config

How to verify/lint the config.

It can be frustrating after you push the changes you made to .gitlab-ci.yml, only to discover later that it’s invalid on Here’s how to verify/lint the config.

Login to and navigate to any of your repo or project. It must be under your account. If you don’t have one, simply create a new project or fork one.

Simply add /-/ci/lint to the end of your repo link and navigate to that link.

For example,

This is what it looks like,

Verify .gitlab-ci.yml online

Simply paste the content of your .gitlab-ci.yml and ‘Validate’.