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Use agent_harness="opencode_sdk" when you want Managed Research to run through the OpenCode SDK harness.

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Launch

run = client.runs.start(
    "Review the repo and propose the smallest high-impact fix.",
    host_kind="daytona",
    work_mode="directed_effort",
    providers=[{"provider": "openrouter"}],
    runbook="lite",
    agent_harness="opencode_sdk",
    agent_model="anthropic/claude-sonnet-4-6",
)

​
Public OpenCode models

  • anthropic/claude-sonnet-4-6
  • anthropic/claude-haiku-4-5-20251001
  • x-ai/grok-4.1-fast
  • moonshotai/kimi-k2.6
OpenCode models do not list reasoning_effort support in the backend catalog.

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Failure notes

If the requested harness/model pair is unsupported, launch preflight and run start fail with a structured denial. See Models and Harnesses.