console-debugging
SKILL.md
Console Debugging Skill
Systematic approach to analyzing browser console messages using Chrome DevTools MCP.
Console Message Categories
Error Messages (Highest Priority)
| Type | Example | Typical Cause |
|---|---|---|
| JavaScript Error | Uncaught TypeError: Cannot read property 'x' of undefined |
Null reference |
| Network Error | Failed to load resource: net::ERR_CONNECTION_REFUSED |
API unavailable |
| CORS Error | Access-Control-Allow-Origin |
Backend configuration |
| CSP Error | Content Security Policy |
Security restriction |
| Syntax Error | SyntaxError: Unexpected token |
Invalid JavaScript |
| Reference Error | ReferenceError: x is not defined |
Undefined variable |