Discussion: How OAuth works when AI agents execute tools through MCP servers

Saw an interesting discussion on r/programming about this — wanted to bring it here. **Original topic:** How OAuth works when AI agents execute tools through MCP servers > While experimenting with MCP servers recently, I ran into an interesting authorization problem. When an AI agent calls a tool, the request path usually looks like: User → AI interface → MCP client → MCP server → application backend That means the MCP server isn’t receiving requests directly from ... What are your thoughts? Has anyone here dealt with MCP server? --- *Discuss more at [0n MCP](https://www.0nmcp.com) — the hub for [multi-agent AI systems](https://www.0nmcp.com).*