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Math Olympiad Solver

Competition math with adversarial verification and honest confidence levels.

Official Anthropicby AnthropicChecked October 18, 2026

An official Anthropic plugin for hard competition problems such as IMO, Putnam or AIME. It generates candidate solutions, then a fresh verifier attacks each proof using known failure patterns, and it will say when it is not confident.

Who it is for

  • Math students
  • Olympiad coaches
  • Teachers
  • Math enthusiasts

Prompts to try

Once the skill is installed, ask for the result in plain words. Claude picks the skill up on its own.

Prompt 1
Solve this IMO problem and verify the proof
Prompt 2
Is this proof of the inequality correct?
Prompt 3
Find a counterexample to this competition claim

How to install it

In Claude Code

  1. /plugin install math-olympiad@claude-plugins-official

In Claude.ai

Zip the skill folder and upload it under Customize > Skills > + > Create skill > Upload a skill; it needs no extra tools.

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How we checked it

Confirmed SKILL.md at plugins/math-olympiad/skills/math-olympiad/SKILL.md in anthropics/claude-plugins-official via the GitHub API; skill folder last changed 2026-03-30, repo has 41,644 stars and was pushed 2026-10-17; maintained by Anthropic inside its official plugin marketplace repo.

Source: github.com/anthropics/claude-plugins-official/tree/main/plugins/math-olympiad/skills/math-olympiad