
How to Submit an MCP App to ChatGPT
A field-by-field walkthrough of OpenAI's ChatGPT Apps submission form, with the prerequisites and rejection patterns that actually decide whether review moves quickly.

Pietro Zullo
Co-founder
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The blog for developers shipping on Manufact Cloud and building with the mcp-use SDK.

A field-by-field walkthrough of OpenAI's ChatGPT Apps submission form, with the prerequisites and rejection patterns that actually decide whether review moves quickly.

Pietro Zullo
Co-founder

A deep dive into how authentication works in the Model Context Protocol, from OAuth 2.1 flows and client registration strategies to upstream API access patterns and what's coming next.

Pietro Zullo
Co-founder

At mcp-use we built a lot of MCP servers in Python. The developer experience was subpar. So we built MCPServer with built-in inspector, router pattern, smart logging, and hot reload.

Pietro Zullo
Co-founder

Complete guide to building an MCP server with MCP Apps widget support, enabling rich interactive experiences in ChatGPT or Claude.

Enrico Toniato
CTO

A comprehensive guide to understanding the Model Context Protocol, its architecture, and how to build scalable AI agents with mcp-use. Learn the fundamentals of MCP development and solve real-world challenges.

Luigi Pederzani
Co-founder