# Hack — card for AI agents

Open-source monospaced typeface for source code with regular, bold, italic and bold italic styles, plus web font files.

Category: Fonts · maker Source Foundry · checked 2026-10-11

## Price
- Price: Free
- Free tier: Free of cost; fonts are free for print, desktop, web and commercial use

## License
MIT License (Hack); Bitstream Vera License for the Vera-derived parts — https://github.com/source-foundry/Hack/blob/HEAD/LICENSE.md

- commercial: **yes** (Commercial use OK)
  > A libre typeface with generous licensing that permits modification & commercial use
- attribution: **no** (No credit needed)
  > The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
- in app: **yes** (Can ship inside your app)
  > to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software

## Rules to follow
- Keep the LICENSE file (MIT and Bitstream Vera notices) with any copies of the font you distribute or ship.
- If you modify the font, rename it so the name does not contain "Bitstream" or "Vera".
- Do not sell the Vera-derived font software by itself; selling it as part of a larger software package is allowed.
- For web use, load from the jsDelivr or cdnjs CDN or self-host the woff/woff2 files.

## How an agent gets files
- Download the TTF zip from the Hack GitHub releases, or load from the jsDelivr or cdnjs CDN (npm package hack-font) for web use. (sign-in: none)
- Formats: ttf, woff, woff2
- Not allowed: No copy of the Vera-derived Font Software typefaces may be sold by itself
- Not allowed: A modified font must be renamed to a name not containing the words "Bitstream" or "Vera"
- Not allowed: Keep the license text with copies you distribute

## How to connect
- Package (npm/PyPI)
- npm: `npm install hack-font`
- Repository: https://github.com/source-foundry/Hack
- Website: http://sourcefoundry.org/hack/

## Notes
Added automatically: 17,367 GitHub stars. License read from the official pages.

## Numbers (AgentGid data)
- Gid Score: 36.0
- GitHub stars: 17,374
- Downloads last week: 8,467

## Lines to paste into your prompt or AGENTS.md

```
- Hack (Fonts). Open-source monospaced typeface for source code with regular, bold, italic and bold italic styles, plus web font files. Price: free; commercial use OK; no credit needed.
  Connect: npm hack-font.
  Get files: Download the TTF zip from the Hack GitHub releases, or load from the jsDelivr or cdnjs CDN (npm package hack-font) for web use (ttf, woff, woff2).
  Not allowed: No copy of the Vera-derived Font Software typefaces may be sold by itself
  Not allowed: A modified font must be renamed to a name not containing the words "Bitstream" or "Vera"
  Not allowed: Keep the license text with copies you distribute
  Rule: Keep the LICENSE file (MIT and Bitstream Vera notices) with any copies of the font you distribute or ship.
  Rule: If you modify the font, rename it so the name does not contain "Bitstream" or "Vera".
  Rule: Do not sell the Vera-derived font software by itself; selling it as part of a larger software package is allowed.
  Rule: For web use, load from the jsDelivr or cdnjs CDN or self-host the woff/woff2 files.
  License: https://github.com/source-foundry/Hack/blob/HEAD/LICENSE.md (checked 2026-10-11; details: https://agentgid.com/assets/hack/)
```

## Links
- AgentGid page: https://agentgid.com/assets/hack/
- Is it free for commercial use? https://agentgid.com/assets/hack/commercial-use/
- Source: http://sourcefoundry.org/hack
- Source: https://github.com/source-foundry/Hack/blob/HEAD/LICENSE.md
- Source: https://github.com/source-foundry/Hack

---
AgentGid's catalog is curated: every entry was checked against the maker's official pages (registry, repository, license and pricing pages) on the date shown; a license value shows the quote it stands on wherever AgentGid has one. Usage numbers come from AgentGid's own scan of public repositories set up for AI coding agents. Claims by makers are reported, not tested by AgentGid.