The boundary also needs to hold if the agent is compromised. Proxying keys is the right instinct. We took the same approach at the action layer: cryptographic w

The boundary also needs to hold if the agent is compromised. Proxying keys is the right instinct. We took the same approach at the action layer: cryptographic warrants scoped to the task, delegation-aware, verified at the MCP tool boundary before execution. Open source core. https://github.com/tenuo-ai/tenuo https://github.com/tenuo-ai/tenuo