GitHub.

The Primer design system: Mona Sans typography, dark-mode-native surfaces and density tuned for daily-driver tools.

12K installs356 savedupdated Jul 2026

In the kit

github.design.md

Icon set

Type & tokens

Aa 400 · 500 · 600

Palette

#24292f

#0969da

#ffffff

#57606a

Type

Mona Sans, 600 weight
48 / 32 / 24 / 16 / 14 · -0.01em

Signature moves

01Density as a feature, not a bug02Semantic color tokens throughout03Monospace for anything copyable04Octocat used with restraint

> Use the design.live MCP and make it look like GitHub.

Connected agents pull the whole kit through the MCP — no downloads needed. https://mcp.design.live