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Your agent platform calls each customer's Salesforce, Slack, and email on their behalf. Design credential isolation.

The data-isolation answer everyone gives misses the harder surface: live OAuth tokens and API keys the agent uses to act in third-party systems. The model that keeps one tenant's credentials out of another's agent loop, and out of the LLM context entirely.

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

The data-isolation answer everyone gives misses the harder surface: live OAuth tokens and API keys the agent uses to act in third-party systems. The model that keeps one tenant's credentials out of another's agent loop, and out of the LLM context entirely.

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