There are 5 repositories under semmle-ql topic.
CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security (code scanning), LGTM.com, and LGTM Enterprise
Actions for running CodeQL analysis
This repo has been migrated to https://github.com/github/security-lab/tree/master/CodeQL_Queries
Examples of vulnerable code that can be detected by CodeQL queries.