> Agent memory because by definition it is read by agents, and agents are already instructed / programmed to read memory files of different formats.

Only it's not read by agents, and largely ignored.

From Anthropic's recent self-congratulatory article:

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Injected memories use up valuable tokens, and an incorrect note can be carried into every session. Loading a note also doesn’t guarantee that Claude acts on it: our documentation on Claude Code warns that longer instruction files reduce adherence

...

It loads only the first 200 lines or 25 KB of MEMORY.md

https://www.anthropic.com/research/components-of-agent-memor...

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