AWS open-sources Pizza Bot, an async agent inbox using LangGraph+DeepAgents, with approval gates, multi-provider LLM support, and SKILL.md-defined workers.
September 13, 2026
brightray analysis
Summary
AWS released Pizza Bot as an Apache 2.0 open-source app that acts as an email-style inbox for background AI agent tasks. It uses LangGraph and DeepAgents for stateful, checkpointed execution, supports Bedrock, Anthropic, Gemini, OpenAI, OpenRouter, and Ollama, and lets users approve/edit/reject individual tool calls via SKILL.md-configured interrupt policies. Previously deployed internally to 2,000+ Amazon employees for tasks like meeting prep and CRM logging.
Why it matters
- Inbox-style UX (All / Unread / Action tabs) gives users a structured way to review completed agent output and unblock paused tasks requiring approval or input.
- LangGraph checkpoints preserve full thread state across client disconnects; tasks keep running on an always-on backend, with only the in-flight step at risk if the desktop app closes.
- SKILL.md worker definitions scope tool access and configure interruptOn/allowedDecisions, letting skill authors enforce human-in-the-loop approval at the tool level before actions execute.
- Supports Bedrock, Anthropic, Gemini, OpenAI, OpenRouter, and Ollama with BYO API keys; existing Claude Code-compatible .mcp.json configs work out of the box.
- Apache 2.0, desktop builds for all platforms, and a standalone backend option make it fully self-hostable without AWS infrastructure dependency.
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