WebGPU terminal engine
A GPU-accelerated core renders text and rich content on one shared surface at 60fps+, with O(1) scrolling over huge histories.
Terminal, reimagined
The terminal,
The terminal,
unchained.
Visual output for terminal AI agents.
Yetty gives Claude Code, Codex-style agents, and CLI tools a visual channel inside the terminal — diagrams in scrollback, live HTML previews, plots, and interactive panels.
- Works with Claude Code
- Codex-style agents
- Any CLI tool
Diagramsanchored in scrollback
HTML previewslive, beside the shell
Plots & dashboardsstraight from data
Review panelstemporary, then gone
How it works
Give your agent a screen, not just a scrollback
Three things change the moment an agent can draw instead of describe.
01
Diagrams in terminal history
When an agent explains an architecture, a data flow, or a dependency graph, it can draw it — a real diagram rendered inline and anchored in your scrollback, instead of three paragraphs you have to picture in your head. Scroll back later and it's still there, exactly where it was generated.
› explain the ingestion pipeline
› anchored at line 1,284 · scrolls with history
02
Live HTML & UI preview panes
Agents generate HTML and CSS constantly. Yetty renders it in a live preview pane right beside the terminal — a non-scrolling workspace that updates as the code changes, so you see the result without copying it into a browser tab.
<button class="cta">
Ship it
</button>
.cta {
background: #6BA892;
radius: 999px;
}
live preview
03
Ephemeral review controls
Temporary, interactive controls — approve, reject, pick a diff — appear when an agent needs a decision and vanish once it's made. Steer the work and sign off on changes without burying your history under button-press noise.
❯ agent proposes 3 edits to auth.ts
Apply 3 edits?
Approve
View diff
Reject
controls disappear after you choose
Under the hood
A serious engine behind the pretty output
The visual channel rides on a real, fast terminal — not a wrapper around a web view.
Rich figure library
Plots, images, video, PDFs, diagrams, interactive widgets and remote canvases — all first-class figures that scroll with your text.
PlotsImagesVideoPDFsDiagramsWidgetsRemote
C / FFI-friendly runtime
A pure-C core with a clean C ABI, bindable from any language. Embed it, script it, or drive it from your own tools and agents.
Platforms
One codebase, expanding everywhere
Beta on Linux, macOS, Android and Windows; iOS, tvOS and the web are in early alpha — all from the same core.
Daily-use platforms
LinuxBeta
macOSBeta
AndroidBeta
WindowsBeta
Early access
iOSAlpha
tvOSAlpha
WebAlpha
Give your agents a screen.
Yetty is source-available under the Business Source License. Grab the code, build it, and give Claude Code, Codex-style agents and your own CLI tools a visual output channel.
Questions or a partnership in mind? Open an issue or get in touch on GitHub.