Building ChatGPT Plugins with Supabase Edge Runtime

ChatGPT Plugins support is being released in beta this week with a TypeScript plugin template running on Supabase Edge Runtime. The ai-plugin.json manifest file is required for ChatGPT to identify the plugin, understand its authentication mechanism, and locate the OpenAPI definition. Swagger-jsdoc can be used to generate the OpenAPI definition from JSDoc comments in the /functions/chatgpt-plugin/index.ts file. The CORS headers are added using a shared cors.ts file. A Dockerfile and docker-compose file are provided for running Edge Runtime locally, and users can test their plugins on localhost using the ChatGPT UI. Finally, deployment to Fly.io is outlined.

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