head to head · open source
Anthropic-Cybersecurity-Skills vs emba
Anthropic-Cybersecurity-Skills has 33,000 GitHub stars, 3,991 forks, 48 open issues and last shipped 20 days ago. emba has 3,672 stars, 325 forks, 13 open issues and last shipped 2 days ago. Anthropic-Cybersecurity-Skills leads on adoption by 799% (33,000 vs 3,672 stars). Anthropic-Cybersecurity-Skills is written in Python under Apache-2.0; emba is written in Shell under GPL-3.0. Anthropic-Cybersecurity-Skills has attracted 12% as many forks as stars, emba 9%. emba was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (infosec), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Anthropic-Cybersecurity-Skills | emba | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 3.7K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Shell |
| Last push | 2026-08-31 | 2026-09-18 |
| Forks | ⑂ 4.0K | ⑂ 325 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Anthropic-Cybersecurity-Skills if
- You weight community size — 33K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick emba if
- You want the emba feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Shell
- You evaluated both and emba fits your workflow better
About Anthropic-Cybersecurity-Skills
Anthropic Cybersecurity Skills is an Apache 2.0 Python library of 817 structured cybersecurity skills that gives AI agents the working knowledge of a senior security analyst, aimed at security teams, DevSecOps engineers, and red or blue teams that already run agents such as Claude Code, GitHub Copilot, Codex CLI, Cursor, or Gemini CLI.
read the full Anthropic-Cybersecurity-Skills overview →
About emba
EMBA is the open source security analyzer for firmware of embedded devices, a Shell based command line tool that carries penetration testers, product security teams, developers and product managers from firmware extraction through static analysis, emulation based dynamic analysis and SBOM creation to a web based vulnerability report.
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Frequently asked questions
Is Anthropic-Cybersecurity-Skills or emba more popular?
Anthropic-Cybersecurity-Skills has 33,000 GitHub stars and emba has 3,672. Anthropic-Cybersecurity-Skills has the larger community by that measure.
Are Anthropic-Cybersecurity-Skills and emba free?
Both are open source. Anthropic-Cybersecurity-Skills is licensed under Apache-2.0 and emba under GPL-3.0. Neither carries a licence fee.
What is the difference between Anthropic-Cybersecurity-Skills and emba?
Anthropic-Cybersecurity-Skills is written in Python and emba in Shell. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Anthropic-Cybersecurity-Skills or emba?
Choose Anthropic-Cybersecurity-Skills if you want the larger community (33,000 stars) or its Apache-2.0 licence terms. Choose emba if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.