Show HN: Endo – A Higher-Order Harnesshttps://github.com/longsurf-ai/endo
Endo is a Higher-Order Harness (HOH). From the easiest concept to understand to the more complex ones, Endo gives you: A single, simple UI to use any agent provider with your existing subscriptions, and hot-swap agents right in the middle of a session. An orchestration layer, which I call HOH, allowing arbitrary composition of agents to achieve any workflow. A fun case I tried was asking Fable and Astra to mock a presidential debate. * An agent protocol that abstracts any agent. The key insight here is that every LLM is an agent—instead of treating the LLM as just one node inside an ext…