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Design multi-tenant isolation for an agent platform: prompts, vector stores, caches, and evals

Serving 50 enterprise customers off one platform means four leak surfaces most designs miss, including the semantic cache and the eval set. A tier-by-tier isolation model with the noisy-neighbor math.

Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

Serving 50 enterprise customers off one platform means four leak surfaces most designs miss, including the semantic cache and the eval set. A tier-by-tier isolation model with the noisy-neighbor math.

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