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    AI Code Debugging & Error Resolution Master

    1

    Debug stack traces, runtime errors, and buggy code to generate minimal, evidence-based fixes, explanations, and verification steps.

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    AI Code Debugging & Error Resolution Master

    AI Code Debugging & Error Resolution Master

    Example session with this skill installed

    I’m getting this error in my Python code. Please analyze the error message and the relevant code, identify the most likely root cause, provide the minimal fix, explain why it works, and give me steps to verify that the problem is resolved.

    Code

    numbers = [10, 20, 30, 40]

    total = 0

    for number in numbers:
        total += numbers
    
    print(total)
    

    Error

    TypeError: unsupported operand type(s) for +=: 'int' and 'list'

    Please do not rewrite unrelated parts of the code or assume missing technical information.

    • Read your context and instructions
    • Compiled the ai code debugging

    Code Debugging & Error Resolution

    1. Problem

    The program fails when adding each item from the "numbers" list to the "total" variable.

    The expected behavior is to calculate the sum of all numbers in the list.

    1. Evidence

    The relevant section of the code is

    for number in numbers:
        total += numbers
    

    The reported error is

    TypeError: unsupported operand type(s) for +=: 'int' and 'list'

    The variable "total" is an integer, while "numbers" is the complete list.

    1. Root Cause

    The loop variable "number" represents the current numeric item being processed.

    However, the code uses "numbers", which refers to the entire list.

    This causes Python to attempt to add a list to an integer, producing the reported "TypeError".

    1. Recommended Fix

    Change

    total += numbers

    to:

    total += number

    The corrected code is

    numbers = [10, 20, 30, 40]

    total = 0

    for number in numbers:
        total += number
    
    print(total)
    
    1. Why This Fix Works

    The loop processes each number individually.

    The values "10", "20", "30", and "40" are added to "total" one at a time.

    The calculation therefore becomes

    10 + 20 + 30 + 40 = 100

    The corrected program should produce

    100

    1. Potential Side Effects

    No significant side effects are expected from this focused correction.

    The change only replaces the incorrect reference to the entire list with the loop variable representing the current numeric value.

    No unrelated parts of the program need to be changed.

    1. Verification

    Run the corrected program and confirm that:

    1. The program runs without the reported "TypeError".
    2. The output is:

    100

    1. Each value in the list is included in the calculation.

    2. No unrelated behavior has been changed.

    3. Final Checklist

    • Identify the incorrect variable reference.
    • Replace the list reference with the loop variable.
    • Run the corrected code.
    • Confirm the expected output is "100".
    • Confirm the original "TypeError" is resolved.
    • Verify that no unrelated code was modified.

    Connects securely to your tools. The creator never sees your data.

    What you get

    Generate minimal code fixes that preserve existing application logic.Provide step-by-step verification plans to confirm bug resolution.Identify potential side effects and security risks in proposed fixes.Identify root causes from complex stack traces and runtime errors.

    About this skill

    AI Code Debugging & Error Resolution Master

    Turn confusing coding errors into clear, evidence-based solutions.

    AI Code Debugging & Error Resolution Master analyzes source code, error messages, stack traces, bug reports, and unexpected application behavior to identify the most likely root cause and produce a focused, practical fix.

    What It Does

    • Analyzes stack traces and runtime errors
    • Reviews relevant source code
    • Identifies the most likely root cause
    • Separates confirmed evidence from assumptions
    • Provides minimal, focused code fixes
    • Explains what caused the problem and why the fix works
    • Checks for relevant side effects and compatibility concerns
    • Provides practical verification and testing steps
    • Identifies missing technical information instead of guessing
    • Handles ambiguous or conflicting debugging evidence carefully

    Supported Debugging Scenarios

    The skill can help analyze:

    • Syntax and logic errors
    • Runtime errors
    • Build and compilation errors
    • Dependency and package issues
    • API and integration errors
    • Configuration problems
    • Unexpected application behavior
    • Bug reports and debugging logs

    Accuracy First

    The skill does not invent missing code, dependencies, versions, configurations, error details, or test results.

    When the available evidence is insufficient, it clearly identifies what additional information is required.

    Security-Conscious Debugging

    The skill avoids exposing sensitive credentials such as passwords, API keys, and access tokens. It does not recommend disabling security controls simply to hide or bypass an error.

    Output

    Each debugging analysis can provide:

    Problem → Evidence → Root Cause → Recommended Fix → Why It Works → Potential Side Effects → Verification → Final Checklist

    The goal is not simply to explain an error. It is to help turn debugging evidence into a clear, minimal, accurate, and verifiable technical solution.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

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    2. 2

      Unzip into your skills folder

      Every agent reads skills from one folder on your machine. Drop the unzipped folder in there.

    3. 3

      Ask your agent to use it

      Restart the agent if it was already running. It picks the skill up automatically - no config needed.

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    Security scanned

    Verified clean 13 days ago

    • Passed all security checks, Safe to install

    Listed13 days ago

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