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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/wshobson/agents --skill sast-configuration- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads sast-configuration automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
Security audits
Independent scans of the skill's instructions and bundled files.
SKILL.md
The instructions your agent reads when the skill is triggered.
SAST Configuration
Static Application Security Testing (SAST) tool setup, configuration, and custom rule creation for comprehensive security scanning across multiple programming languages.
Overview
This skill provides comprehensive guidance for setting up and configuring SAST tools including Semgrep, SonarQube, and CodeQL. Use this skill when you need to:
- Set up SAST scanning in CI/CD pipelines
- Create custom security rules for your codebase
- Configure quality gates and compliance policies
- Optimize scan performance and reduce false positives
- Integrate multiple SAST tools for defense-in-depth
Core Capabilities
1. Semgrep Configuration
- Custom rule creation with pattern matching
- Language-specific security rules (Python, JavaScript, Go, Java, etc.)
- CI/CD integration (GitHub Actions, GitLab CI, Jenkins)
- False positive tuning and rule optimization
- Organizational policy enforcement
2. SonarQube Setup
- Quality gate configuration
- Security hotspot analysis
- Code coverage and technical debt tracking
- Custom quality profiles for languages
- Enterprise integration with LDAP/SAML
3. CodeQL Analysis
- GitHub Advanced Security integration
- Custom query development
- Vulnerability variant analysis
- Security research workflows
- SARIF result processing
Quick Start
Initial Assessment
- Identify primary programming languages in your codebase
- Determine compliance requirements (PCI-DSS, SOC 2, etc.)
- Choose SAST tool based on language support and integration needs
- Review baseline scan to understand current security posture
Basic Setup
# Semgrep quick start
pip install semgrep
semgrep --config=auto --error
# SonarQube with Docker
docker run -d --name sonarqube -p 9000:9000 sonarqube:10.8-community
# CodeQL CLI setup
gh extension install github/gh-codeql
codeql database create mydb --language=python
Integration Patterns
CI/CD Pipeline Integration
# GitHub Actions example
- name: Run Semgrep
uses: returntocorp/semgrep-action@v1
with:
config: >-
p/security-audit
p/owasp-top-ten
Pre-commit Hook
# .pre-commit-config.yaml
- repo: https://github.com/returntocorp/semgrep
rev: v1.45.0
hooks:
- id: semgrep
args: ['--config=auto', '--error']
Best Practices
-
Start with Baseline
- Run initial scan to establish security baseline
- Prioritize critical and high severity findings
- Create remediation roadmap
-
Incremental Adoption
- Begin with security-focused rules
- Gradually add code quality rules
- Implement blocking only for critical issues
-
False Positive Management
- Document legitimate suppressions
- Create allow lists for known safe patterns
- Regularly review suppressed findings
-
Performance Optimization
- Exclude test files and generated code
- Use incremental scanning for large codebases
- Cache scan results in CI/CD
-
Team Enablement
- Provide security training for developers
- Create internal documentation for common patterns
- Establish security champions program
Common Use Cases
New Project Setup
./scripts/run-sast.sh --setup --language python --tools semgrep,sonarqube
Custom Rule Development
# See references/semgrep-rules.md for detailed examples
rules:
- id: hardcoded-jwt-secret
pattern: jwt.encode($DATA, "...", ...)
message: JWT secret should not be hardcoded
severity: ERROR
Compliance Scanning
# PCI-DSS focused scan
semgrep --config p/pci-dss --json -o pci-scan-results.json
Troubleshooting
High False Positive Rate
- Review and tune rule sensitivity
- Add path filters to exclude test files
- Use nostmt metadata for noisy patterns
- Create organization-specific rule exceptions
Performance Issues
- Enable incremental scanning
- Parallelize scans across modules
- Optimize rule patterns for efficiency
- Cache dependencies and scan results
Integration Failures
- Verify API tokens and credentials
- Check network connectivity and proxy settings
- Review SARIF output format compatibility
- Validate CI/CD runner permissions
Related Skills
- STRIDE Analysis Patterns
- Threat Mitigation Mapping
Tool Comparison
| Tool | Best For | Language Support | Cost | Integration |
|---|---|---|---|---|
| Semgrep | Custom rules, fast scans | 30+ languages | Free/Enterprise | Excellent |
| SonarQube | Code quality + security | 25+ languages | Free/Commercial | Good |
| CodeQL | Deep analysis, research | 10+ languages | Free (OSS) | GitHub native |
Next Steps
- Complete initial SAST tool setup
- Run baseline security scan
- Create custom rules for organization-specific patterns
- Integrate into CI/CD pipeline
- Establish security gate policies
- Train development team on findings and remediation
FAQ
What does the sast-configuration skill do?
Configure Static Application Security Testing (SAST) tools for automated vulnerability detection in application code. Use when setting up security scanning, implementing DevSecOps practices, or automating code vulnerability detection.
How do I install sast-configuration?
Run npx skills add https://github.com/wshobson/agents --skill sast-configuration in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/sast-configuration/ (personal) or .claude/skills/sast-configuration/ (project).
Which AI agents can use sast-configuration?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is sast-configuration safe to install?
Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk passed; Runlayer passed; ZeroLeaks passed. As with any skill, read the SKILL.md and bundled scripts before installing.
Who maintains sast-configuration?
It is published by wshobson in wshobson/agents. It has 10,854 recorded installs.
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