Transform your CustomGPT into an Agent Skill
Paste your GPT instructions, upload knowledge files, and get a properly structured skill ready for any agent that uses skills
What's your CustomGPT called?
The full system prompt
Find this in ChatGPT → Your GPT → Configure → Instructions
0 / 30,000 characters
Optional: Upload any knowledge base files
Drop files here or click to browse
Supports .txt, .md, .json, .csv (max 20K chars each)