ultrathink

Capture thoughts, branches, and assumptions in structured reasoning sessions.

1|1|Updated Dec 16, 2025
One-click install
npx skills add https://github.com/husniadil/ekstend --skill ultrathink-husniadil
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ultrathink
Source: https://github.com/husniadil/ekstend/tree/main/plugins/ultrathink/skills/ultrathink
Command: npx skills add https://github.com/husniadil/ekstend --skill ultrathink-husniadil

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires typer, pydantic, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Ultrathink provides a disciplined, structured workflow for complex problem solving by capturing thoughts, branches, and assumptions in a traceable session, reducing cognitive load and improving reasoning transparency.

Core Features & Use Cases

  • Step-by-step reasoning with explicit confidence tracking and revision support.
  • Branching and cross-session assumption management to explore alternatives safely.
  • Session persistence and lightweight workflow integration for design, planning, and debugging scenarios.

Quick Start

Start a new session and capture your thoughts step-by-step, then continue with the provided session_id to explore branches and manage assumptions.

Frequently Asked Questions about ultrathink

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I track assumptions and branches during complex engineering debugging?

You can track assumptions and branches during complex engineering debugging by using a structured reasoning session that captures thoughts, branches, and assumptions step-by-step with explicit confidence tracking. This reduces cognitive load and improves reasoning transparency across cross-session references.

What is sequential thinking with confidence tracking for software architecture tasks?

Sequential thinking with confidence tracking for software architecture tasks is a structured workflow that captures multi-step planning and revisions in a traceable session. It allows engineers to explore alternatives safely through branching validation and assumption management.

How do I start a session for step-by-step reasoning and revision support?

To start a session for step-by-step reasoning, begin a new session and capture your thoughts sequentially. You can then continue with the provided session_id to explore branches, manage assumptions, and support revisions across cross-session references.

Does this structured reasoning approach work for cross-session assumption management?

Yes, this structured reasoning approach works for cross-session assumption management by applying session persistence. It allows you to continue exploring branches and managing assumptions safely using a specific session_id across different intervals.

Do I need pydantic and typer to use this step-by-step thinking workflow?

Yes, you need pydantic and typer as dependencies to run this step-by-step thinking workflow. These libraries support the CLI interface and data validation required for session management and branching validation.

When should I not use structured session management for multi-step planning?

You should not use structured session management for multi-step planning when dealing with trivial, single-step tasks that do not require branching validation, assumption tracking, or cross-session references. It is designed for complex engineering design and debugging scenarios.