Agent-Skills.md

Agent Skills: Dependency Auditor

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engineeringID: borghei/claude-skills/dependency-auditor

Repository

borghei/claude-skills
borgheiLicense: NOASSERTION
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pnpm dlx add-skill https://github.com/borghei/Claude-Skills/tree/HEAD/engineering/dependency-auditor

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engineering/dependency-auditor/SKILL.md

Skill Metadata

Name
dependency-auditor
Description
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Dependency Auditor

A multi-language toolkit for analyzing, auditing, and managing dependencies. It scans manifests and lockfiles across 8+ ecosystems to surface vulnerabilities, classify licenses, detect bloat, and produce safe, phased upgrade plans — giving teams visibility into security, legal, and maintenance risk hidden in their dependency trees.

Core Capabilities

  • Vulnerability scanning & CVE matching — match direct/transitive deps against a built-in CVE database with CVSS scoring across Node, Python, Go, Rust, Ruby, Java, PHP, .NET.
  • License compliance — classify into permissive / weak-copyleft / strong-copyleft / proprietary / unknown tiers and detect incompatible combinations (e.g. GPL contamination).
  • Outdated & maintenance detection — categorize updates by patch/minor/major severity; flag abandoned or end-of-life packages.
  • Dependency bloat analysis — find unused, redundant, or oversized packages and consolidation opportunities.
  • Upgrade path planning — semver breaking-change prediction, risk matrix, prioritization, rollback strategies.
  • Supply chain security — provenance checks, typosquatting/malicious-package detection, transitive risk scoring.
  • Lockfile analysis — validate freshness, integrity hashes, and cross-environment consistency for deterministic builds.

When to Use

  • Auditing a project's dependencies for vulnerabilities or supply-chain risk.
  • Checking license compliance before distribution or M&A due diligence.
  • Planning safe, phased dependency upgrades.
  • Adding a dependency security gate to CI/CD.
  • Cleaning up unused or redundant dependencies.

Clarify First

Before running the audit, confirm these inputs. If any is unknown or vague, ASK — do not assume:

  • [ ] Project & ecosystem — the project path and which manifests/lockfiles (the input the scanner parses)
  • [ ] Audit focus — vulnerabilities, license compliance, or upgrade planning (selects dep_scanner.py vs license_checker.py vs upgrade_planner.py)
  • [ ] Policy & gate — license policy strictness and fail-on-severity threshold (sets --policy, --fail-on-high, and the CI verdict)

Stop rule: ask only the 2-3 that most change the output. If the user says "just draft it," proceed and list your assumptions at the top of the artifact.

Tools

| Tool | Purpose | Command | |------|---------|---------| | dep_scanner.py | Scan manifests/lockfiles across 8+ ecosystems, match CVEs, produce a security report | python scripts/dep_scanner.py /path/to/project --format json --fail-on-high | | license_checker.py | Classify dependency licenses by risk tier and detect conflicts vs the project license | python scripts/license_checker.py /path/to/project --policy strict --warn-conflicts | | upgrade_planner.py | Evaluate semver gaps, assess breaking-change risk, output a phased upgrade plan | python scripts/upgrade_planner.py deps.json --risk-threshold medium --timeline 30 |

References

Load the reference that matches the task — keep this file lean and pull detail on demand:

  • references/capabilities-and-best-practices.md — full breakdown of every analysis capability, the scanner/analyzer/planner internals, use cases by team, advanced/enterprise features, recommended scan cadences, and metrics/KPIs. Read when you need the deep capability or architecture detail.
  • references/tools-integration-and-troubleshooting.md — quick-start and CI/CD/scheduled-audit integration commands, complete per-tool flag/output reference, the troubleshooting table, and success-criteria targets. Read when running the tools, wiring them into pipelines, or diagnosing failures.
  • references/vulnerability_assessment_guide.md — how to assess, prioritize, and remediate dependency vulnerabilities (CVSS, exploitability, disclosure timelines). Read when triaging or responding to security findings.
  • references/license_compatibility_matrix.md — comprehensive license-type reference and compatibility matrix for combining open-source dependencies. Read when resolving license conflicts or making distribution decisions.
  • references/dependency_management_best_practices.md — strategic, governance, security, and operational best practices across the dependency lifecycle. Read when establishing dependency policy or team workflows.

Scope & Limitations

This skill covers:

  • Parsing dependency manifests and lockfiles for JavaScript/Node.js, Python, Go, Rust, Ruby, Java, PHP, and C#/.NET ecosystems.
  • Matching dependencies against a built-in vulnerability database of common CVE patterns with severity scoring.
  • Classifying licenses into risk tiers (permissive, weak copyleft, strong copyleft, proprietary, unknown) and detecting conflicts.
  • Generating prioritized, phased upgrade plans with breaking-change analysis, rollback procedures, and time estimates.

This skill does NOT cover:

  • Real-time querying of live vulnerability databases (NVD, OSV, GitHub Advisory); the built-in DB is a representative subset. For continuous monitoring, see skill-security-auditor.
  • Container image or OS-level package scanning. For infrastructure auditing, see ci-cd-pipeline-builder or observability-designer.
  • Automated PR creation for dependency updates (Dependabot/Renovate-style); the skill produces plans and reports, not code changes.
  • Runtime dependency analysis or dynamic import tracing; detection is static manifest/lockfile parsing only.

Integration Points

| Skill | Integration | Data Flow | |-------|-------------|-----------| | skill-security-auditor | Feed vulnerability scan results into broader security audit workflows | dep_scanner.py --format json output consumed as evidence artifacts | | ci-cd-pipeline-builder | Embed dependency gates in CI/CD pipelines | dep_scanner.py --fail-on-high and license_checker.py --policy strict as pipeline steps | | release-manager | Attach dependency audit reports to release checklists | JSON reports from all three tools included in release documentation | | pr-review-expert | Flag dependency changes during pull request review | Scanner diff between base and head branch dependency files | | env-secrets-manager | Ensure dependency tooling credentials (registry tokens) are securely managed | Registry authentication tokens stored and rotated via secrets manager | | observability-designer | Monitor dependency health metrics over time | Scan summary statistics exported to monitoring dashboards |