semgrep-rule-creator - Create Custom Semgrep Rules
Create production-quality Semgrep rules with testing and validation
Tags
Updated: 2026-03-22Capabilities
Typical Inputs
Typical Outputs
What this skill does
- write Semgrep rules
- create test files
- analyze AST structure
- run semgrep tests
- validate rules
- optimize patterns
- detect security vulnerabilities
- detect bug patterns
- detect code patterns
Inputs
- Semgrep documentation
- bug pattern specifications
- vulnerability descriptions
- coding standards
- test cases
Outputs
- Semgrep rule YAML file
- test file with annotations
- test results
- validated Semgrep rules
Requirements
- local command line access
- file read/write permissions
- WebFetch tool support
- Bash tool support
