Notes on running a coding agent: the harness, its context, the sandbox it works in, and the index it searches.https://usemux.com/https://usemux.com/blog/effort-per-step/https://usemux.com/blog/effort-per-step/How muxcode picks a seat's reasoning effort before every model call, with the numbers from its first live runs.Mon, 05 Oct 2026 00:00:00 GMThttps://usemux.com/blog/no-compaction/https://usemux.com/blog/no-compaction/When a task fills its context window, pi opens a fresh one with a short handoff instead of a summary; here is where that line sits, what crosses it and what it costs.Mon, 05 Oct 2026 00:00:00 GMThttps://usemux.com/blog/plan-first-orchestration/https://usemux.com/blog/plan-first-orchestration/How a writing run in muxcode plans a change, builds it and proves it, and why a model's yes is never enough to pass the work.Mon, 05 Oct 2026 00:00:00 GMThttps://usemux.com/blog/how-muxcode-works/https://usemux.com/blog/how-muxcode-works/The route one change takes through muxcode, the questions every tool call is asked, and where the sandbox fits, with drawings you can step through.Mon, 28 Sep 2026 00:00:00 GMThttps://usemux.com/blog/how-the-sandbox-is-held-in/https://usemux.com/blog/how-the-sandbox-is-held-in/A sandbox task runs your agent's commands on Cloudflare while the model, its keys and every permission stay on your Mac. These are the walls around it, and what each one stops.Mon, 28 Sep 2026 00:00:00 GMT