Critical path analyzer

Skill a5c-ai/babysitter/library/specializations/domains/business/project-management/skills/critical-path-analyzer

Perform critical path method (CPM) analysis with forward/backward pass calculationsFrom its SKILL.md

Install

npx -y skills add a5c-ai/babysitter --skill critical-path-analyzer

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SKILL.md

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Critical Path Analyzer

Overview

The Critical Path Analyzer skill performs comprehensive Critical Path Method (CPM) analysis on project schedules. It calculates forward and backward passes to determine early/late dates, identifies float values, and highlights the critical path - the longest sequence of dependent activities that determines the minimum project duration.

Capabilities

Core CPM Calculations

Calculate forward pass (early start/finish dates)
Calculate backward pass (late start/finish dates)
Determine total float and free float
Identify critical path activities
Detect near-critical paths (activities with low float)

Advanced Analysis

Perform what-if analysis for schedule compression
Calculate schedule risk exposure
Generate critical path reports and visualizations
Support multiple calendar assignments
Handle complex dependency relationships (FS, SS, FF, SF with lag/lead)

Schedule Optimization

Identify crashing candidates based on cost-duration tradeoffs
Recommend fast-tracking opportunities
Calculate compression costs and benefits
Model resource-constrained critical path

Usage

Input Requirements

Activity list with unique identifiers
Activity durations
Predecessor/successor relationships with dependency types
Optional: Activity calendars
Optional: Resource assignments for resource-constrained analysis

Output Deliverables

Critical path activity list
Float analysis report (total float, free float per activity)
Near-critical path identification
Network diagram with critical path highlighted
Schedule risk metrics

Example Use Cases

Schedule Development: Identify critical path during initial planning
Schedule Recovery: Find compression opportunities when behind schedule
Risk Assessment: Analyze schedule risk through float analysis
What-If Analysis: Model schedule impacts of changes

Process Integration

This skill integrates with the following processes:

Schedule Development and Critical Path Analysis
earned-value-management.js
Program Dependency Management
Risk Planning and Assessment

Dependencies

Network diagram algorithms
Scheduling mathematics libraries
Graph traversal algorithms
Date/time calculation utilities

Related Skills

SK-001: Gantt Chart Generator
SK-003: Resource Leveling Optimizer
SK-019: Dependency Mapper

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.