## [![The Immutable Agent](/blog/assets/images/hero-image-f250be95860f6e79c57de249c35bf22d.webp)](/blog/immutable-agent/.md)[The Immutable Agent](/blog/immutable-agent/.md)

Storage-protected Mastra agents: a reference implementation. Isolated session forks, validate before promoting, contain compromise at the storage layer.

David Myriel · April 30, 2026 ·

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14 min read