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