Systematic step-by-step reasoning with revision and branching. Use for complex problems, multi-stage analysis, design planning, problem decomposition, or encountering unclear scope, alternative approaches needed, revision requirements.
This skill does not declare a tool allowlist. The agent host applies whatever default tools are available at runtime.
SKILL.md / Manifest
https://raw.githubusercontent.com/secondsky/claude-skills/main/plugins/sequential-thinking/skills/sequential-thinking/SKILL.mdRegistry
github (via claudemarketplaces.com)