OpenCode Go to Require x-opencode-session Header Starting Sept 6; 140K Users Get Personalized Fixes

dax ·

Key Info

OpenCode detected that some tools using OpenCode Go are missing the x-opencode-session header, which blocks prompt caching optimization. Starting 09/06, requests without this header may error, and roughly 140,000 impacted users are being emailed personalized fix instructions.

Highlights

  • A week of data was analyzed with Honeycomb, PlanetScale MCP, and OpenCode2's CodeMode to identify affected traffic.
  • Affected users will receive an email with personalized suggestions for fixing their tool integration.
  • The entire analysis, notification, and remediation effort was run on OpenCode's Muse Spark free tier.
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