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    SAST Configuration Kit

    1

    It doesn't just "turn on" security; it builds a sustainable workflow that developers actually trust.

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    SAST Configuration Kit

    SAST Configuration Kit

    Example session with this skill installed

    We added Semgrep with --config auto to GitHub Actions on our Django + React monorepo. It fails every PR on about 400 existing findings, so developers now merge with admin override. Can you fix the setup?

    • Read your context and instructions
    • Compiled the sast configuration kit
    • Generated the document

    Mode: TUNE. The scanner has lost trust because it gates on legacy findings and on every severity. Baseline first, then narrow the rules.

    IDProblemEvidenceEffectFixEffort
    T1No baseline on a legacy repo~400 existing findings fail every PR5Scan only changes vs main1
    T2Blocks on all severitiesAdmin overrides are routine4Block ERROR only, report the rest1
    T3Broad --config autoMixed-signal rules3Use p/django, p/react, p/secrets2
    T4No suppression policyUnknown2nosemgrep requires a reason and owner2

    Sorted by Effect² / Effort. Top 3: T1, T2, T3.

    - uses: actions/checkout@v4
  with: { fetch-depth: 0 }
- run: pip install semgrep
- run: >
    semgrep scan --config p/django --config p/react --config p/secrets
    --baseline-commit origin/main --severity ERROR --error

    The one change that restores trust: T1. Once only newly introduced issues fail a PR, the override habit has no reason to exist.

    Residual risk: SAST does not see runtime behaviour or most business-logic flaws such as broken authorization between tenants. A green check is not a security review.

    Next steps

    • Remove admin override on the Semgrep check once T1 is merged.
    • Export the 400 baseline findings and burn down secrets and injection first.
    • Add a weekly full scan without the baseline flag.

    sast-configuration-kit.pdf

    PDF · document

    Generated

    Example file from a real run - the skill writes it into your workspace.

    Connects securely to your tools. The creator never sees your data.

    What you get

    Deploy high-signal Semgrep/CodeQL configurations from scratch.Fix a noisy SAST setup that developers are currently ignoring.Implement 'baseline-then-ratchet' gates for legacy codebases.Write custom Semgrep rules for internal API security patterns.Configure secret-scanning to prevent credential leaks in CI/CD.

    About this skill

    Turn Static Analysis from a Nuisance into a Security Asset

    Most AI agents can run a linter, but they often leave you with hundreds of false positives that your developers will ignore. This skill transforms your agent into a seasoned DevSecOps engineer who specializes in high-signal SAST (Static Application Security Testing) architecture. It doesn't just "turn on" security; it builds a sustainable workflow that developers actually trust.

    What it does

    • Intelligent Tooling: Evaluates your stack and CI/CD environment to select the right tool—whether it's Semgrep for speed, CodeQL for deep dataflow analysis, or SonarQube for quality dashboards.
    • High-Signal Configuration: Drafts language-specific rulesets and custom exclusions to ensure the engine only flags actionable security vulnerabilities like injection, SSRF, or hardcoded secrets.
    • CI Integrated Gates: Configures GitHub Actions, GitLab CI, or Jenkins to block PRs on new critical issues while using "baseline-then-ratchet" strategies for legacy codebases.
    • Noise Reduction (TUNE Mode): Audits existing, noisy scanners to suppress false positives and re-calibrate severity rankings.

    Why use this skill?

    Unlike a basic prompt, this skill understands the social and technical friction of security tooling. It prioritizes signal-over-coverage, ensuring your security gates don't become a bottleneck. It provides ready-to-commit CI YAML and configuration files rather than generic advice.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
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      Download the ZIP

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      Unzip into your skills folder

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      Ask your agent to use it

      Restart the agent if it was already running. It picks the skill up automatically - no config needed.

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    Verified clean 3 months ago

    • Passed all security checks, Safe to install

    Listed3 months ago
    Updated11 days ago

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