HyperAgents

A 'meta agent' modifies the 'task agent' and can also modify itself. It's agents all the way down.

The architecture combines a task agent (solves the problem) and a meta agent (optimizes both the task agent and its own optimization strategy) into a single editable Python repository. The meta agent can modify any file, including its own source code. In benchmarks, this self-referential loop outperforms agents without self-improvement, and the meta-level improvements transfer across domains.

This is from the paper 'Hyperagents' (arxiv 2603.19461). The catch: this is a research project, not a production tool. The license says 'Other' which likely means Meta's research license. Check before using commercially. Running self-modifying agents requires serious compute (the paper uses multiple LLM calls per iteration) and serious trust in the guardrails. Fascinating research. Not something you deploy to production tomorrow.