Enables building ChatGPT apps with custom UI widgets via a minimal Node.js MCP server, allowing tools to return structured content rendered in an iframe widget.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
process.env. You'll be asked to provide them before it can run.PORT— [Fly.io](https://fly.io) / [Render](https://render.com): deploy server.js as-is (set from env — already handled).[](https://m8ven.ai/mcp/lologocrm-chatgpt-app-starter-gaa6b5)