Design an approval pattern for an AI assistant that can draft and send emails.

Instruction: Keep draft creation separate from sending. Bind approval to the exact message and account that will be used.

Context: Design an email assistant where a user can inspect a draft and approve its final recipients, content, and attachments before transmission.

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I would make drafting reversible and sending a separate capability. A draft record holds the sender account, To/Cc/Bcc recipients, subject, body, and attachment references. The assistant presents those fields clearly before asking for a send decision.

Approval would identify that draft version and its content hash...

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Your preparation path

Work through these questions in order. Read the answer aloud, then explain it in your own words.

1. Start with the foundations

Build the vocabulary and explain the core decisions.

  1. When should a model call a tool instead of answering from context? Free sample
  2. How would you explain MCP to a product engineer in one minute? Free sample
  3. What information should the orchestrator validate before executing a tool call? Free sample

2. Apply it to a real workflow

Practice diagnosis, validation, and everyday tradeoffs.

  1. Why do idempotency and retries matter more with AI-driven tool use? Free sample
  2. How do you keep permission boundaries clear when many tools share overlapping capabilities? Member answer
  3. A user revokes access to a connected app mid-session. How should the AI workflow behave? Member answer

3. Prepare for senior discussions

Explain failure boundaries, recovery, and production choices.

  1. Design a fallback strategy when tools are unavailable, degraded, or unauthorized. Member answer
  2. How do you implement MCP step-up authorization without losing scopes or retrying forever? Member answer
  3. An MCP request resumes after user confirmation. How would you validate its requestState? Member answer

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