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Planwell

An AI copilot for PMs, integrating with Linear

Period: 2025

Technologies:

Elixir Phoenix LiveView OpenAI Anthropic
Planwell

Planwell is an AI-powered project planning assistant that helps Product Managers break down software projects into well-structured tasks and milestones. Through an iterative dialogue, it guides PMs from high-level project concepts to detailed Linear tickets.

Features

  • Interactive project planning dialogue
  • AI-guided project breakdown:
    • High-level goals and scope definition
    • Milestone planning and prioritization
    • Task breakdown and estimation
    • Risk identification and mitigation
  • Iterative refinement at each planning stage
  • Direct Linear integration for task syncing
  • Project templates and best practices
  • Collaborative planning sessions

Technical Implementation

The application showcases several advanced LLM patterns:

  • Structured dialogue management using Elixir/OTP
  • Context-aware conversation state handling
  • Dynamic prompt generation based on project context
  • Integration with Linear API
  • Real-time collaboration using Phoenix LiveView
  • Multi-step planning workflow orchestration
  • Template-based prompt engineering

Impact

  • Streamlined project planning process
  • Improved task breakdown consistency
  • Better alignment between planning and execution
  • Knowledge capture from experienced PMs
  • Reduced planning overhead