Building an internal agent: Subagent support (opens in new tab)

Most of the extensions to our internal agent have been the direct result of running into a problem that I couldn’t elegantly solve within our current framework. Evals, compaction, large-file handling all fit into that category. Subagents, allowing an agent to initiate other agents, are in a different category: I’ve frequently thought that we needed subagents, and then always found an alternative that felt more natural. Eventually, I decided to implement them anyway, because it seemed like an ...