Matt Shumer, writer of the viral “Something Big Is Happening” essay, argues that most agent workflows try to prevent mistakes by specifying every move. His Gauntlet Loop takes a different approach: define what good looks like, then let the agents decide how to reach it.

You give a lead agent a goal and a real example of what great looks like. The lead agent decides how to break the goal into the smallest pieces that can be improved separately. Each piece gets its own builder and a separate critic with fresh context.

The builder makes something. The critic compares it against the reference example. If the reference example wins, the critic explains the biggest remaining gap and sends the work back to the builder. The builder fixes it. Then another round begins.

That continues until the result reaches the bar (or, more likely, you decide it is ready).

The agents get specificity about the outcome, not a recipe for producing it. On a design team, one agent could decide how to build a prototype while a fresh critique agent—Shumer calls them critics—compares the result with a reference and an explicit quality bar. Shumer separates the critic so freedom in execution does not weaken the judgment:

The builder and critic should be separate agents.

The builder has seen every decision it made. It remembers why it made them. That makes it very good at explaining why its work is reasonable.

You do not want reasonable. You want an independent judgment.

Spawn a fresh critic and give it the goal, the bar, the relevant rules, and the actual artifact. Do not give it the builder’s history or explanation.

Smarter agents can work with fewer procedural rules when their output remains inspectable. Shumer puts it into practice with a goal, reference, artifact, and independent review.