FastClaw is a lightweight AI agent runtime in a single Go binary, enabling users to create, manage, and run AI agents with unique personalities, memory, skills, and tools. It handles LLM communication, tool execution, sandbox isolation, and session management for seamless agent development without external dependencies.
Key benefits include:
- Single Binary Deployment: Installs with one command, dropping a binary into ~/.local/bin and adding it to PATH, requiring no dependencies.
- Multi-LLM Support: Compatible with OpenAI, Anthropic, Ollama, and any OpenAI-compatible API, with per-agent model overrides and prompt caching.
- Sandbox Isolation: Securely runs tools (exec, file, web) in E2B cloud sandbox or Docker, with automatic skill + workspace hydration and post-exec sync.
- Agent Factory: Create and manage multiple agents, each with personalized SOUL.md personalities, memory, skills, and tools, plus public chat sharing.
- Cross-Channel Integration: Bind Telegram, Discord, and Slack bots per agent, ensuring isolated chat sessions with no thread bleeding.
Perfect for developers, product builders, and teams building AI-powered applications who need a self-hosted, flexible AI agent runtime without external infrastructure dependencies.
