1
Open your GPT
Go to chatgpt.com/gpts/mine, pick your GPT, and click Edit to open the Configure tab.
2
Copy the fields
Copy the Name, Description, Instructions, and Conversation Starters into the form below. Upload any knowledge files.
3
Download the ZIP
Review the live preview, then click Download. The ZIP contains a ready-to-use Claude Skill with your reference files.
4
Upload to Claude
Go to claude.ai/customize/skills, click +, choose Upload a skill, and select the ZIP.
GPT Configuration
Paste from the GPT Editor "Configure" tabWill be converted to lowercase-hyphenated (max 64 chars)
Claude allows up to 1024 chars — feel free to expand it
The main system prompt — this becomes the SKILL.md body
Included as example prompts in the skill
Drop files here or browse
PDF, TXT, CSV, MD, JSON — any file your GPT used as knowledge
Live Preview
Auto-updating
SKILL.md
ZIP Structure