Fix Bug
Diagnose and fix the current bug or error.
What happens when you install it
You run the install command
mcp install-skill fix-bugMCPHub CLI downloads this prompt from the registry.
Saved as a file in Claude Code
~/.claude/commands/fix-bug.mdClaude Code reads all .md files in this folder as slash commands.
Use it in any conversation
/fix-bugin Claude Code (after restart)Claude runs the prompt against your current file or selection — no copy-paste needed.
Content
Fix Bug
Diagnose and fix the current bug or error with surgical precision.
Process
- Identify the root cause — not just the symptom. What actually went wrong?
- Explain the failure — why does this cause the observed behavior?
- Apply the fix — minimal change to the surrounding code. Don't refactor unrelated things.
- Check for siblings — are there other places in the code with the same bug?
- Suggest a test — what test would have caught this?
What not to do
- Don't rewrite working code around the bug
- Don't add defensive checks everywhere "just in case"
- Don't change unrelated behavior
Output format
Root cause: One clear sentence explaining what went wrong.
Fix:
// the corrected code
Why this works: Brief explanation of why the fix addresses the root cause.
Related areas to check: (if any)
Test to add: A minimal test case that would catch this regression.
Install
After install, restart Claude Code and type:
/fix-bugRequires MCPHub CLI
Author
MCPHub
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