ThinHarness is a minimal, opinionated Python harness for purpose-built agents.
It gives you the agent-loop primitives that are tedious to rebuild — scoped filesystem tools, structured output, retries, approvals, subagents, MCP, streaming, and tracing — in under 8k LOC, and leaves orchestration, auth, storage, and deployment to your app.
Pre-1.0, open source (MIT), Python.
ThinHarness is a development product listed on Uneed, available for free. It's tagged with AI, Open Source. See the best AI products for related options.
ThinHarness is build focused AI agents without framework sprawl.
Yes, ThinHarness is free to use.
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ThinHarness is listed under Development on Uneed.
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Launch Date
2026-06-29Category
DevelopmentPricing
FreeSocials
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