Capabilities
Done means verified.
Agents love to declare victory. Loom re-checks work before it counts as done, detects and marks slots that have genuinely finished, and catches a premature done instead of trusting it.
How it counts
Nothing counts until it is checked.
Re-checked before done
When a session reports that it has finished, the work is re-checked before the task counts. Claiming done and being done are treated as different things.
Finished slots marked
Loom detects when a slot has actually finished and marks it, so the mission view reflects reality rather than the most optimistic message in a scrollback.
Premature done caught
A session that announces completion too early is caught. The mission does not move on over a task that only sounds finished.
Why verification is the whole point
Coding agents are good at producing work and even better at reporting it confidently. In a single terminal you are the verification: you read the output, you run the tests, you decide. Across six parallel sessions that habit does not scale, and a fleet that takes "done" at face value is just a faster way to accumulate unfinished work.
So Loom builds the check into the loop. The Conductor plans a goal into tasks, dispatches them across the fleet, watches every terminal, and verifies work before it counts. The result shows up where you plan from:
- The mission DAG and live activity strips reflect verified progress, not self-reported progress.
- Smart steering and verification split the job cleanly: the watchdog keeps sessions moving, verification decides whether what they produced counts.
- Final judgment stays yours. The source control panel with its full git graph is built for reviewing what the fleet shipped before anything gets pushed.
Questions
Common questions.
What is a premature done?
A session declaring a task complete when the work is not actually there. Loom catches the claim instead of marking the slot finished on its word alone.
Who does the verifying?
The Conductor, the bring-your-own-key reasoning model that plans and dispatches the mission. It watches every terminal and re-checks work before it counts. Pick its model on the models page.
Does this replace code review?
No. Verification keeps the mission honest while it runs. You still review the diffs and the git graph before you push, and Loom's workspace is built to make that review fast.
Hand it the work.
Walk away.
macOS, Linux, and Windows. Around 13 MB. Free and open source.