You'll notice
The skill-doctor unavailable message now explains exactly why it's off instead of just saying early access.
The offline reference text shown when /skill-doctor is unavailable now explains why in detail instead of just labeling it "(early access)." It's on by default in current releases, but a session may lack it on an older release, or when the client hasn't received feature settings yet — naming Bedrock, Vertex, Foundry, telemetry or non-essential traffic disabled, or a first launch that hasn't fetched settings — or when an administrator hasn't switched it on.
Names in the bundle/skill-doctor
/skill-doctor
Claude Code changelog modified, high confidence
* Added `/skill-doctor` to show which loaded skills go unused and what they cost in context, so you can prune themsee the edit
/skill-doctor
Environment variables modified, high confidence
* Run [`/skill-doctor`](/docs/en/skills#find-unused-skills) or open its report in the `/plugin` **Stats** tabsee the edit
/skill-doctor
Error reference modified, high confidence
You ran [`/skill-doctor`](/docs/en/skills#find-unused-skills) over [Remote Control](/docs/en/remote-control), from your phone or browser. Claude Code doesn't send the skill usage report over Remote Control and replies with this message ins…see the edit
/skill-doctor
Extend Claude with skills modified, high confidence
Every skill in the [skill listing](#skill-descriptions-are-cut-short) adds to your context on every turn, whether or not Claude ever uses it. Run `/skill-doctor` to see what each of your skills costs and how often it gets used, so you can …see the edit
/skill-doctor
Commands modified, medium confidence
| `/skill-doctor` | Show what each of your [skills](/docs/en/skills) costs in context and how often it gets used, so you can [find skills to turn off](/docs/en/skills#find-unused-skills). Requires Claude Code v2.1.252 or later and [feature…see the edit
/skill-doctor
Discover and install prebuilt plugins through marketplaces modified, medium confidence
* **Stats**: see [what each of your skills costs in context and how often it gets used](/docs/en/skills#find-unused-skills), in sessions where `/skill-doctor` is availablesee the edit
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Confirmed since
Anthropic's documentation has since written up /skill-doctor, on What's new.
Also this week: on Pro and Max plans, **computer use in the Desktop app** works in the background on macOS while you keep working; in fullscreen rendering, **`/diff`** opens a live panel beside the conversation that refreshes as Claude edi…whats-new/index see the edit
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agrees
/skill-doctor on Claude Code changelog
Anthropic's release notes agree
Added /skill-doctor to show which loaded skills go unused and what they cost in context, so you can prune them