Today we're launching @mastra remote sandboxes Give your agent a secure, isolated environment to run untrusted user code... like a vibe coding agent...↗

Excited to share experiments in @mastra. Create test cases, score the results, and compare runs side by side to see if the changes actually helped. Swap a model, tweak a prompt, run again, and compare. Do it all in Studio or via the API. 1/5↗

I implemented a @mastra observational memory into @badlogicgames pi Check it out: mastra.ai/blog/observati… - the blog post Extension: npmjs.com/package/pi-ext… Built with pi and 5.3 Codex xhigh↗