Claude Fast is a development kit for Claude Code that provides pre-built skills, specialized AI agents, and session management to accelerate AI-assisted software development and automate complex workflows.
What is Claude Fast?
Claude Fast is a development kit for Claude Code, built on Anthropic's official recommendations and best practices. It includes 15 specialized AI agents, a Skills Architecture for common development tasks (web, mobile, backend, etc.), and Context Optimization that extends effective context usage by 6x through intelligent routing. Session Management enables persistent conversations across devices and days, while the Infra Master Skill automates VPS setup and deployment. The latest version 5.5 (Fable-optimized) introduces resumable nested sub-agents and dynamic workflows for complex, multi-step automations. The ecosystem also includes a Growth Kit with SEO workflows for keyword research, content strategy, and indexing.
Key Features
- 15 Specialized AI Agents – Domain-specific expertise that functions like a senior dev team.
- Skills Architecture – Pre-built skills for various development tasks (web, mobile, backend, etc.).
- Context Optimization – 6x effective context usage via intelligent routing.
- Session Management – Persistent conversations across devices and days.
- Infra Master Skill – Automated VPS setup and deployment capabilities.
- Fable-Optimized (v5.5) – Improved performance for faster execution.
- Resumable Nested Sub-Agents (v5.5) – Agents that can pause and resume complex tasks with nested steps.
- Dynamic Workflows (v5.5) – Flexible, conditionally branching automation sequences.
- Growth Kit – Additional SEO workflows for keyword research, content strategy, and indexing.









