a5c-ai/test-coverage-analyzer
library/specializations/code-migration-modernization/skills/test-coverage-analyzer/SKILL.md
Analyze test coverage and identify gaps before migration to ensure adequate safety nets
$ install --global
skillsauthnpx skillsauth add a5c-ai/babysitter test-coverage-analyzerInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 28, 2026, 4:40 PM202.7s2 files scanned
SKILL.md
- name:
- test-coverage-analyzer
- description:
- Analyze test coverage and identify gaps before migration to ensure adequate safety nets
- allowed-tools:
- ["Bash", "Read", "Write", "Grep", "Glob", "Edit"]
Test Coverage Analyzer Skill
Analyzes test coverage comprehensively to identify gaps and ensure adequate test safety nets before undertaking migration efforts.
Purpose
Enable comprehensive test coverage analysis for:
- Pre-migration coverage assessment
- Critical path coverage verification
- Coverage gap identification
- Test strategy planning
- Regression risk assessment
Capabilities
1. Line/Branch/Path Coverage Measurement
- Calculate line coverage percentages
- Measure branch coverage
- Analyze path coverage
- Track condition coverage
2. Coverage Gap Identification
- Find untested code paths
- Identify missing edge cases
- Detect uncovered error handlers
- Map coverage blind spots
3. Critical Path Coverage Analysis
- Identify business-critical paths
- Prioritize coverage by importance
- Map risk vs coverage
- Generate focused test recommendations
4. Integration Test Coverage Mapping
- Track integration point coverage
- Map API endpoint testing
- Assess database operation coverage
- Verify external service testing
5. Coverage Trend Analysis
- Track coverage over time
- Identify coverage regression
- Monitor improvement progress
- Generate trend reports
Tool Integrations
| Tool | Language | Integration Method | |------|----------|-------------------| | Istanbul/nyc | JavaScript/TypeScript | CLI | | JaCoCo | Java | CLI / Maven/Gradle | | Cobertura | Java/Python | CLI | | Coverage.py | Python | CLI | | SimpleCov | Ruby | CLI | | go test -cover | Go | CLI | | dotCover | .NET | CLI |
Output Schema
{
"analysisId": "string",
"timestamp": "ISO8601",
"coverage": {
"line": {
"percentage": "number",
"covered": "number",
"total": "number"
},
"branch": {
"percentage": "number",
"covered": "number",
"total": "number"
},
"function": {
"percentage": "number",
"covered": "number",
"total": "number"
}
},
"gaps": [
{
"file": "string",
"uncoveredLines": ["number"],
"uncoveredBranches": ["string"],
"criticality": "high|medium|low",
"recommendation": "string"
}
],
"criticalPaths": {
"covered": "number",
"total": "number",
"uncoveredPaths": []
}
}
Integration with Migration Processes
- migration-testing-strategy: Coverage baseline establishment
- code-refactoring: Pre-refactoring safety assessment
- framework-upgrade: Regression protection verification
Related Skills
characterization-test-generator: Generate tests for gapsstatic-code-analyzer: Combined quality analysis
Related Agents
migration-testing-strategist: Uses for test planningregression-detector: Uses for regression prevention
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