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Stop vibe-debugging.
Plug Claude into your app's actual errors.
AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
Whatzit provides a system for using error and status conditions much more rich than the canonical 'zero means success, anything else is situational' mechanism. You can tell the severity of a condition and where it originated by looking at its value.