SELECTOOLS: Multi-agent graphs, tool calling, RAG, 50 evaluators, PII redaction. All in one pip install.
Dev.to AI
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Generative AI
Releasing v0.20.1 of selectools, an open-source (Apache-2.0) Python framework for AI agent systems. s OpenAI, Anthropic, Gemini, and Ollama. pip install selectools The technical hook: how interrupts work after a human pause LangGraph's interrupt mechanism re-executes the entire node body on resume. This is by-design and falls out of LangGraph's checkpoint-replay model. The official guidance is to make pre-interrupt side effects idempotent, place expensive work after the interrupt call, or split side effects into a separate downstream node.