Fit Skills

Diagnostic tool to analyse Claude Skills

The Problem

• Your Claude Skills aren’t loading?
• Commands not visible in /slash command menu?

Did you hit the 15k character description budget or a token limit? MCP config issues?

Why isn’t my skill showing up?

• “I installed 5 plugins but only 3 are working”
• “Claude seems to have forgotten my custom commands”

Our Solution

A diagnostic tool that answers the frustrating “why isn’t my skill loading?” question.

What the audit reveals:

• Budget usage - Are you over the 15k character limit?
• Token usage per plugin - Which plugins consume the most?
• Disk vs context - What’s configured vs what’s actually loaded?
• Disabled MCP servers - Toggled off but forgotten?
• Invalid skills - Standalone .md files that won’t load?
• Dropped skills - What got cut due to token limits?

How It Works

Scans your skills across three sources:

1. User (global ~/.claude)
2. Plugin (installed plugins)
3. Project (local .claude)

Shows exactly what’s loaded into Claude’s context window VS what is installed on disk.

Actionable Advice

Have you reached a limit? Claude will help you resolve the problem by getting your permission to uninstall problematic plugins.

Requirements

jq (JSON processor)

# macOS
brew install jq

# Linux (Debian/Ubuntu)
sudo apt install jq

Install

claude plugin marketplace add getskillsdev/fit-skills
claude plugin install gsd@fit-skills

Usage

/gsd:fit-skills

Source

https://github.com/getskillsdev/fit-skills

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