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extended-thinking

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Deep reasoning with Claude's extended thinking feature for complex multi-step problems. Use when implementing think-aloud reasoning, complex analysis, or debugging difficult issues.

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Marketplace

ai-dev-marketplace

vanman2024/ai-dev-marketplace

Plugin

claude-agent-sdk

development

Repository

vanman2024/ai-dev-marketplace
2stars

plugins/claude-agent-sdk/skills/extended-thinking/SKILL.md

Last Verified

February 1, 2026

Install Skill

Select agents to install to:

Scope:
npx add-skill https://github.com/vanman2024/ai-dev-marketplace/blob/main/plugins/claude-agent-sdk/skills/extended-thinking/SKILL.md -a claude-code --skill extended-thinking

Installation paths:

Claude
.claude/skills/extended-thinking/
Powered by add-skill CLI

Instructions

# Extended Thinking Skill

Enable Claude to "think out loud" before responding - dramatically improves complex reasoning tasks.

## When to Use Extended Thinking

- Complex math, logic, or coding problems
- Multi-step analysis requiring careful reasoning
- Tasks where you need to verify Claude's thought process
- Debugging intricate issues
- Strategic planning and decision-making

## Budget Guidance

| Complexity   | Budget Tokens | Use Case                  |
| ------------ | ------------- | ------------------------- |
| Simple       | 1,024         | Quick verification        |
| Medium       | 4,000-8,000   | Standard analysis         |
| Complex      | 16,000+       | Deep reasoning            |
| Very Complex | 32,000+       | Consider batch processing |

## Key Patterns

### Basic Extended Thinking

See `templates/basic-thinking.ts` and `templates/basic-thinking.py`

### Interleaved Thinking with Tools

Requires beta header: `anthropic-beta: interleaved-thinking-2025-05-14`

### Streaming Extended Thinking

Stream thinking blocks for real-time visibility into reasoning process.

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