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Practice 13AdvancedConceptsAbout 18 minutes

Corresponding knowledge: Reconnect transport, recover messages, and reconcile business outcomes

The MCP connection is disconnected. Can I re-execute the last tool directly after reconnecting?

Examine the differences between stdio, Streamable HTTP, session recovery and business idempotency.

Learn corresponding knowledgeInterview questions · Answer independently →
MCPStreamable HTTPDisconnection recovery

Knowledge content check2026-10-03 · Check the source of the original question2026-10-02

The knowledge corresponding to this exercise:

Reconnect transport, recover messages, and reconcile business outcomes · Principle explanation →
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Knowledge exercises·Independent answers

My notes and review ↗

Principles and Solutions have been collapsed. Explain the core mechanism, boundaries and verification methods in your own words, and then compare them.

Answers and personal notes

Each modified commit will be kept as an independent history. Your level of mastery is up to you to evaluate yourself against the standards.

Explain in your own words first

The core principles, analysis, Q&A and migration cases have been closed. When you are ready, unfold it and compare it with the content to find any omissions.

Hands-on verificationComplete on demand · Suggestions15 minutes

Draw the timing sequence when the submission is successful but the response is lost, and list the three branches after reconnection.

Expand acceptance requirements and checkpoints
  • Successful actions are not blindly repeated
  • Unknown will be returned if verification is not possible.
  • Event deduplication is separated from business idempotency

Key inspections

  • Distinguish between requests, sessions, and business IDs
  • Handling unknown results after disconnection
  • Do not treat optional recovery capabilities as a strong guarantee