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GPT2Skill – Convert ChatGPT Custom GPTs to Claude Skills

GPT2Skill – Convert ChatGPT Custom GPTs to Claude Skills

by bekoeppel·Mar 8, 2026·1 point·0 comments
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AI Analysis

●MidShip It

ChatGPT Custom GPT → Claude Skill converter, but feature mapping is partial and one-way-only.

Strengths
  • •Genuinely useful bridge during model transition; runs entirely client-side with no backend.
  • •Handles file uploads (PDF, TXT, CSV) and formats skill metadata correctly for Claude.
Weaknesses
  • •API integrations and Code Interpreter/DALL·E capabilites cannot be converted—loses significant functionality.
  • •Narrow use case: only useful during active migration window; demand likely drops as GPT/Claude diverge.
Target Audience

Claude users migrating from ChatGPT Custom GPTs, power users building skills

Similar To

Claude Skills documentation · Custom GPT exporter tools

Post Description

I built a small tool to convert ChatGPT Custom GPTs into Claude Skills.

You paste your Custom GPT's name, description, instructions, and conversation starters, optionally upload knowledge files. It generates a Skill ZIP you can directly upload to Claude.

It's a single HTML file with no backend, everything runs client-side.

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