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OpenCode

OpenCode reasoning part or summaryParts parsing error

This error is not necessarily an API Key problem; separate config, adapter, upstream stream, and UI layers.

Start with these checks

The request may have succeeded, but OpenCode failed to parse streamed content.

  • The error mentions reasoning part/text part not found, summaryParts, or a blank reply.
  • The Provider points to the wrong interface format
  • Confirm Provider, Base URL, and Model ID match
reasoning part/text part not foundsummaryParts

01

Rule out Provider config first

Compare Provider ID, Base URL, and Model ID. Any mismatch can produce events the client does not expect.

02

Check adapter and interface format

Keep the npm adapter aligned with the generated config; a mismatch can prevent valid parts from being assembled.

  1. 1Confirm Provider, Base URL, and Model ID match
  2. 2Confirm the npm adapter came from the generated config

03

Separate upstream from client parsing

If the service has a result but parsing fails, keep the stream error and report a minimal reproduction instead of rotating the API Key.

  1. 1Confirm the npm adapter came from the generated config
  2. 2Retest with a short message and keep the full error

If it is still not fixed

Wrong Base URL, 404, or connection failureModel is listed but the request does not complete

Sources

Reconfigure

Return to the integration center and continue the setup steps.

Return to the related setup step