SkillHub

addition-assistant-skill

v1.0.4

Calculate addition expressions from user input, including integers, decimals, and negative numbers, and return concise step-by-step results.

Sourced from ClawHub, Authored by 1111

Installation

Please help me install the skill `addition-assistant-skill` from SkillHub official store. npx skills add chenyihang1993/addition-assistant-skill

Overview

Use this skill when the user asks for addition calculations.

When to Use

  • User asks to add two or more numbers.
  • User inputs expressions like 3 + 5, 1.2 + 3.4 + 5, -2 + 9.

Scope

  • Supported: addition only.
  • Not supported: subtraction, multiplication, division, equations, symbolic algebra.

Input Handling

  • Accept numbers separated by +, spaces, commas, or Chinese wording (for example: 加).
  • Normalize full-width symbols to half-width symbols before parsing.

Workflow

  1. Extract all numeric values from user input.
  2. Verify at least two valid numbers are present.
  3. Compute the sum.
  4. Return:
  5. Parsed numbers
  6. Expression
  7. Final result

Output Format

Always return: 1. Expression used 2. Result 3. Optional one-line check

Example: - Expression: 1.2 + 3.4 + 5 - Result: 9.6

Safety and Accuracy Rules

  • Do not invent missing numbers.
  • If input is ambiguous, ask user to rewrite in explicit form.
  • Preserve decimal precision as entered when reasonable.