Development
Command
/doctor
Diagnose what is busting Claude Code's DeepSeek prefix cache
shell
$ npx -y skills add jianzhichun/permafrost --agent claude-codeShips with permafrost. Installing the plugin gets this command.
How it fires
How this command gets triggered: by you, by Claude, or both.
- Fires itselfClaude auto-loads it when your prompt matches the work.
- You can call itInvoke it directly when you want it.
- Slash command
/doctor
Context preview
What this command does when you run it.
Diagnose what is busting Claude Code's DeepSeek prefix cache
Ships withpermafrost
Freeze Claude Code's prompt prefix so DeepSeek's automatic cache always hits — alignment proxy + coalescing + keepalive, installable as a CC plugin. Measured 64% cheaper on real Claude Code traffic.
Get the whole plugin, auto-invoked

