— name: date-calculator description: Calculates gestational age and follow-up date windows. version: 1.0.0 category: Utility tags: – dates – pregnancy – follow-up – calculator author: AIPOCH license: MIT status: Draft risk_level: Medium skill_type: Tool/Script owner: AIPOCH reviewer: '' last_updated: '2026-02-06' — # Date Calculator Calculates medical date windows. ## Features – Gestational age – Follow-up windows – Visit scheduling – Date adjustments ## Parameters | Parameter | Type | Default | Required | Description | |———–|——|———|———-|————-| | `–type`, `-t` | string | – | Yes | Calculation type (gestational or followup) | | `–date`, `-d` | string | – | Yes | Date in YYYY-MM-DD format | | `–weeks` | int | 4 | No | Number of weeks for follow-up | | `–window-days` | int | 7 | No | Follow-up window size in days | | `–output`, `-o` | string | – | No | Output JSON file path | ## Usage “`bash # Calculate gestational age python scripts/main.py –type gestational –date 2024-01-15 # Calculate 4-week follow-up window python scripts/main.py –type followup –date 2024-03-01 # Calculate custom follow-up (6 weeks) python scripts/main.py –type followup –date 2024-03-01 –weeks 6 “` ## Output Format **Gestational calculation:** “`json { "lmp_date": "2024-01-15", "gestational_age": "12 weeks 3 days", "gestational_age_days": 87, "estimated_delivery_date": "2024-10-21", "calculation_date": "2024-04-12" } “` **Follow-up calculation:** “`json { "start_date": "2024-03-01", "followup_weeks": 4, "window_start": "2024-03-29", "window_end": "2024-04-05", "window_range": "2024-03-29 to 2024-04-05" } “` ## Risk Assessment | Risk Indicator | Assessment | Level | |—————-|————|——-| | Code Execution | Python/R scripts executed locally | Medium | | Network Access | No external API calls | Low | | File System Access | Read input files, write output files | Medium | | Instruction Tampering | Standard prompt guidelines | Low | | Data Exposure | Output files saved to workspace | Low | ## Security Checklist – [ ] No hardcoded credentials or API keys – [ ] No unauthorized file system access (../) – [ ] Output does not expose sensitive information – [ ] Prompt injection protections in place – [ ] Input file paths validated (no ../ traversal) – [ ] Output directory restricted to workspace – [ ] Script execution in sandboxed environment – [ ] Error messages sanitized (no stack traces exposed) – [ ] Dependencies audited ## Prerequisites No additional Python packages required. ## Evaluation Criteria ### Success Metrics – [ ] Successfully executes main functionality – [ ] Output meets quality standards – [ ] Handles edge cases gracefully – [ ] Performance is acceptable ### Test Cases 1. **Basic Functionality**: Standard input → Expected output 2. **Edge Case**: Invalid input → Graceful error handling 3. **Performance**: Large dataset → Acceptable processing time ## Lifecycle Status – **Current Stage**: Draft – **Next Review Date**: 2026-03-06 – **Known Issues**: None – **Planned Improvements**: – Performance optimization – Additional feature support