This is the right framing. The chain policy problem is what happens when you ask the registry to be the entitlement layer. Here's a longer piece on why the tru

This is the right framing. The chain policy problem is what happens when you ask the registry to be the entitlement layer. Here's a longer piece on why the trust boundary has to live at the runtime level, not the interface level, and what that means for MCP's actual job: https://forestmars.substack.com/p/twilight-of-the-mcp-idols https://forestmars.substack.com/p/twilight-of-the-mcp-idols