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The Harness Layer Series' Articles

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Every agent passed its evals. The run still failed.
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Every agent passed its evals. The run still failed.

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7 min read
Can MCP, A2A, and LangGraph share and compose a single verified runtime?
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Can MCP, A2A, and LangGraph share and compose a single verified runtime?

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6 min read
The stop/go problem is not solvable. It's relocatable.
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The stop/go problem is not solvable. It's relocatable.

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5 min read
AI doesn't make programming easier - It moves the bottleneck to where it cannot see
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AI doesn't make programming easier - It moves the bottleneck to where it cannot see

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8 min read
Models converged. Trust hasn't.

Models converged. Trust hasn't.

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7 min read
Pacing the frontier does not watch the agents
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Pacing the frontier does not watch the agents

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6 min read
Web chat is not a coding environment
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Web chat is not a coding environment

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7 min read