Build A Harness – open-source, modular harness layer for AI agents

Show HN: Build A Harness – open-source, modular harness layer for AI agents

Based, Build A Harness – open-source, modular harness layer for AI agents works in show hn launch.

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Apache 2.0 visual canvas for AI agent harnesses. Draw once, run on LangGraph, CrewAI, Mastra, or MS Agent Framework. Langfuse observability, HITL, REST/MCP/A2A.

As a business in show hn launch, Build A Harness – open-source, modular harness layer for AI agents is listed here with the public details available about it.

Directory data places it at the Show HN launch stage.

Website: buildaharness.com