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Build mode · Preview · Preview
Self-Building AI, From Spec to Shipped Code
Tell it what you need — it plans, codes, commits, and ships. Preview access for teams running agent workers on Fleet with Tiger-backed workflows.
PlanCodeCommitShip
Preview · Fleet + Tiger · repo-aware agents
Self-Building AI
Simon · build mode
You asked
Add a billing page to the dashboard
PhaseBuild
Files3 / 5
Progress62%
Plandone
spec.mdok
tasks.jsonok
Buildrunning
route.tsok
handler.ts…
tests.spec.ts—
Shipqueued
commit + push—
hot reload—
Writing handler.ts…
Plan → code → commit → liveno hand-holding
Capabilities
End-to-end without handoffs
Agents that understand your repo, checkpoint long builds with Tiger Mode, and ship through the same stack you already run in production.
E2E
End-to-end agents
From spec to pull request without manual handoffs.
Repo
Repo-aware
Works in your codebase with guardrails you define.
Tiger
Checkpointed
Tiger Mode retries and resume for long builds.
Access
Preview program
Request access — we onboard with Fleet and governance review.
Works with