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ThinHarness — Startup Profile
Startup

ThinHarness

Build focused AI agents without framework sprawl

AI & AutomationEstimated

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GitHub stars: ryanbbrown/thinharness0510152029 Jun3 Aug8 Sep13 Oct
GitHub stars: ryanbbrown/thinharness, last 12 months05101520Oct 2025Feb 2026Jun 2026Oct 2026
GitHub stars: ryanbbrown/thinharness, last 90 days0510152017 Jul16 Aug14 Sep14 Oct

16 GitHub stars

+7 days
+0
+30 days
+1
License
MIT
Latest release
v0.8.0 Sep 4, 2026
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About the startup

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.

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