@ArchiveExplorer: Anthropic published exactly how they get Claude to work autonomously for 6 hours: • 0:00 - the two failure modes killin…

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Summary

Anthropic published a detailed guide on how to make Claude work autonomously for 6 hours, covering failure modes, testing with Puppeteer MCP, and session protocols.

Anthropic published exactly how they get Claude to work autonomously for 6 hours: • 0:00 - the two failure modes killing every long agent run • 0:09 - the feature_list.json format + "unacceptable to remove tests" rule • 0:16 - incremental progress + why they use Puppeteer MCP for testing • 0:22 - the fixed session-start protocol every fresh agent runs • 0:28 - verbatim: a typical session transcript • 0:32 - the failure modes → solutions cheat sheet read it today, then the article below shows how to steal every piece for your own harness.
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Cached at: 07/05/26, 12:35 PM

Anthropic published exactly how they get Claude to work autonomously for 6 hours:

• 0:00 - the two failure modes killing every long agent run • 0:09 - the feature_list.json format + “unacceptable to remove tests” rule • 0:16 - incremental progress + why they use Puppeteer MCP for testing • 0:22 - the fixed session-start protocol every fresh agent runs • 0:28 - verbatim: a typical session transcript • 0:32 - the failure modes → solutions cheat sheet

read it today, then the article below shows how to steal every piece for your own harness.

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