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Research Preview · v0.1.0-alpha.15. Helix is early and moving fast. The loop runs end to end today; expect the command surface to change.
Helix is the Agentic Development Lifecycle (ADLC), run inside your coding agent. It takes an agent through one loop — spec → build → evaluate → diagnose → optimize — and holds every change for your approval, so nothing ships until it has been re-checked against your real traces.

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What it does

Point Helix at an agent — one you’re building, or one already running — and it drives the loop: it writes a spec, builds, scores the result against your real traces, root-causes what failed, and applies a fix. Every change waits for your approval; nothing lands until you say so. See how the loop works for the full mechanism.
No traces yet? Building something new is fine — start at Spec and Build. Evaluate and Diagnose start working once you ship and your agent begins logging runs.

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Two ways to run it

Helix comes in two forms. Choose by whether you already have a coding agent you like.

Plugin

Installs Helix into Claude Code or Codex as a plugin, through the mutagent CLI — the editor you already use.

Standalone

binary · Proprietary. A single binary with the whole system inside — no Node, no npm, no checkout. Helix is the coding agent.
Not sure which? Take the Plugin if you already use Claude Code or Codex; take the Standalone binary if you’d rather have a ready-made agent. Then run your first loop.

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How you use it

Helix is a natural-language orchestrator. Describe what you want — “Evaluate the Refund Processing agent against last quarter’s disputes and show the pass rate per policy rule” — and it routes to the stage that owns the job. Nothing runs until you ask, and nothing lands until you approve.