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Feedback on a runtime-agnostic AI agent workflow spec (LangGraph/Mastra)

itsharness is a complete harness for building, running, and observing AI agent workflows. It offers a visual canvas to design flows, exports a runtime-agnostic spec, compiles to various frameworks, and supports running, tracing, and debugging. The spec is at version 0.2.0 with 14 node types and 5 example flows.

SourceHacker News AIAuthor: philiparxist
Feedback on a runtime-agnostic AI agent workflow spec (LangGraph/Mastra)
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Key points and analysis

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Key points

  • itsharness provides a visual canvas for designing AI agent workflows and exports a runtime-agnostic JSON spec.
  • Adapters compile the spec to frameworks like LangGraph, CrewAI, Mastra, and Microsoft Agent Framework.
  • Features 14 node types including LLM call, tool invoke, condition, parallel, HITL breakpoint, memory, and more.
  • Currently in Phase 1 with a complete canvas; the LangGraph adapter is a stub awaiting RFC feedback.

Highlights and analysis are generated automatically and may contain errors. Check the original source.