OpenCoven surface language
Every primitive, control, and block in one place — tokens, controls, feedback, data, application shell, agent transcript anatomy, and page blocks. Flip the theme to see the semantic layer resolve.
Foundation
Core
Forms
Status
Create your first trial to begin.
Data
| Arm | Runtime | Score |
|---|---|---|
| arm_7f3a… | —sealed— | 0.82 |
| arm_c19d… | —sealed— | 0.79 |
{ "seed": 42, "arms": ["arm_7f3a", "arm_c19d"] }
Shell
Blinded A/B evaluation runs
Opaque handle. Runtime sealed until reveal.
Transcript
rm -rf ./cache
Composed
One semantic contract, light & dark.
Plain classes, your components.
Pull only what you compose.
"One recognizable hand across every surface."