CopilotKit Debugging Skill

When to Use

Invoke this skill when:

• The CopilotKit runtime is unreachable or returning errors
• Agents fail to connect, respond, or stream events
• Frontend tools are not executing or returning results
• Transcription (voice) is failing
• Version mismatch errors appear between packages
• AG-UI SSE events are malformed or missing
• CORS errors block browser requests to the runtime

Diagnostic Workflow

Step 1: Gather Information

Before proposing any fix, collect: