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How to find the right fix for a failing Harness run with DeepSeek Harness Handbook

Route a failing DeepSeek Harness run to the guide that matches its failure boundary.

Credentials. Do not paste API keys, private Session logs, or sensitive workspace data into a public issue or chat while collecting evidence.

Who it is forA developer or operator whose DeepSeek Harness session fails and who needs the right runbook before retrying.

The problemGeneric retries waste time when the failure sits in a different layer, such as auth, Session storage, or the sandbox.

The outcomeOne named failure boundary, one linked troubleshooting guide, and the evidence to collect before changing anything.

What you need first

  • A DeepSeek Harness setup you run yourself
  • Browser access to the handbook site and its GitHub pages
  • The exact DSH version and source revision you are running

Steps

  1. Open the Interactive Failure Router at https://sandbaseai.github.io/deepseek-harness-handbook/diagnose.html.
  2. Choose the symptom closest to what you see and note the boundary it points to.
  3. Open the matching guide in docs/en/troubleshooting/, for example docs/en/troubleshooting/session-history-corruption-triage.md for a Web startup failure.
  4. Check the guide's acceptance gates and collect the evidence it asks for before you change configuration.
  5. If the guide does not match your runtime, open an evidence report at https://github.com/sandbaseai/deepseek-harness-handbook/issues/new/choose with the exact DSH version and first failing boundary.

Prompt for your agent

Using the DeepSeek Harness Handbook (sandbaseai/deepseek-harness-handbook), take this symptom: <symptom>. Use the Interactive Failure Router and the docs/en/troubleshooting/ folder to name the failure boundary and the single guide to follow. Output the guide path, the first evidence to collect, and one check that would show the guide does not match my runtime.

Caveat. The handbook is community-maintained and independent of DeepSeek AI, so a matching guide is a lead to verify, not a guaranteed fix.

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