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Agent patterns: loops that compoundAgent patterns: loops that compound

Builder

01 · Agent patterns

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Next: Harness engineering

This section is how an agent chooses its next step, and what it keeps. Harness engineering names the system around the model: what it can see, what it may do, and what gets checked. The other pages each press on one part of that system.

Path Builder
Time About 95 minutes
You need The agent loop

Pages

Page You leave able to
Harness engineering Separate the model from the six-part runtime, and match that runtime to the task
ReAct and plan-and-execute Choose a tight loop or a written plan
Wiki memory Design raw, wiki, and schema so the next run is smarter
How agents remember Place working, episodic, semantic, and procedural memory, and write back

If you only read one page in this section, read the harness. Wiki memory is how this repository itself remembers: search the guide, then write the answer back onto a page.

Practice

Stand up the folders in the research-agent playbook. Reading the pattern without a page on disk is still a chat.

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