# Source Sans 3

A free, open-licensed sans typeface by Paul D. Hunt, self-hosted on BrandSweets.

## Details

- Slug: `source-sans-3`
- Category: sans
- Superfamily: source
- Kind: static
- Designed by: Paul D. Hunt
- License: OFL-1.1 (https://openfontlicense.org/open-font-license-official-text/)
- Weights: 200, 300, 400, 500, 600, 700, 800, 900
- Styles: normal, italic
- Languages: cyrillic, cyrillic-ext, greek, greek-ext, latin, latin-ext, vietnamese
- Moods: neutral, humanist, clean
- Page: https://brandsweets.com/fonts/source-sans-3

## Pairings

- **Source Serif 4** (heading) — Same superfamily as Source Sans 3 — shared skeleton, natural heading pairing.
- **Roboto** (heading) — fits heading; hand-vetted
- **Inter** (heading) — fits heading; hand-vetted
- **Source Serif 4** (body) — Adobe's superfamily — a humanist sans heading over its serif for long-form.
- **Open Sans** (body) — fits body; hand-vetted
- **Roboto** (body) — fits body; hand-vetted

## Self-host files (woff2)

- 200 normal: https://fonts.brandsweets.com/source-sans-3/source-sans-3-200.woff2
- 300 normal: https://fonts.brandsweets.com/source-sans-3/source-sans-3-300.woff2
- 400 normal: https://fonts.brandsweets.com/source-sans-3/source-sans-3-400.woff2
- 500 normal: https://fonts.brandsweets.com/source-sans-3/source-sans-3-500.woff2
- 600 normal: https://fonts.brandsweets.com/source-sans-3/source-sans-3-600.woff2
- 700 normal: https://fonts.brandsweets.com/source-sans-3/source-sans-3-700.woff2
- 800 normal: https://fonts.brandsweets.com/source-sans-3/source-sans-3-800.woff2
- 900 normal: https://fonts.brandsweets.com/source-sans-3/source-sans-3-900.woff2
- 200 italic: https://fonts.brandsweets.com/source-sans-3/source-sans-3-200i.woff2
- 300 italic: https://fonts.brandsweets.com/source-sans-3/source-sans-3-300i.woff2
- 400 italic: https://fonts.brandsweets.com/source-sans-3/source-sans-3-400i.woff2
- 500 italic: https://fonts.brandsweets.com/source-sans-3/source-sans-3-500i.woff2
- 600 italic: https://fonts.brandsweets.com/source-sans-3/source-sans-3-600i.woff2
- 700 italic: https://fonts.brandsweets.com/source-sans-3/source-sans-3-700i.woff2
- 800 italic: https://fonts.brandsweets.com/source-sans-3/source-sans-3-800i.woff2
- 900 italic: https://fonts.brandsweets.com/source-sans-3/source-sans-3-900i.woff2

## Connect an agent

Point any MCP client at the BrandSweets fonts endpoint to search this catalog and get pairings:

- Endpoint: https://mcp.brandsweets.com/fonts/mcp
- Tools: `list_fonts` (filter by category/mood/weight) and `suggest_fonts` (e.g. `suggest_fonts({ pairWith: "source-sans-3", role: "body" })`).