head to head · open source
Anthropic-Cybersecurity-Skills vs tenzir
Anthropic-Cybersecurity-Skills has 33,923 GitHub stars, 4,120 forks, 48 open issues and last shipped 1 months ago. tenzir has 762 stars, 110 forks, 0 open issues and last shipped today. Anthropic-Cybersecurity-Skills leads on adoption by 4,352% (33,923 vs 762 stars). Anthropic-Cybersecurity-Skills is written in Python under Apache-2.0; tenzir is written in C++ under BSD-3-Clause. Anthropic-Cybersecurity-Skills has attracted 12% as many forks as stars, tenzir 14%. tenzir was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (incident-response), 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 | tenzir | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 762 |
| License | Apache-2.0 | BSD-3-Clause |
| Written in | Python | C++ |
| Last push | 2026-08-31 | 2026-10-08 |
| Forks | ⑂ 4.1K | ⑂ 110 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Anthropic-Cybersecurity-Skills if
- You weight community size — 34K 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 tenzir if
- You want the tenzir feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches C++
- You evaluated both and tenzir 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 tenzir
Tenzir is a data pipeline engine for security teams — written in C++ and released under the BSD 3 Clause licence — that lets SOC analysts, detection engineers, and incident responders collect, transform, enrich, and route security telemetry instead of only storing it.
read the full tenzir overview →
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Frequently asked questions
Is Anthropic-Cybersecurity-Skills or tenzir more popular?
Anthropic-Cybersecurity-Skills has 33,923 GitHub stars and tenzir has 762. Anthropic-Cybersecurity-Skills has the larger community by that measure.
Are Anthropic-Cybersecurity-Skills and tenzir free?
Both are open source. Anthropic-Cybersecurity-Skills is licensed under Apache-2.0 and tenzir under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Anthropic-Cybersecurity-Skills and tenzir?
Anthropic-Cybersecurity-Skills is written in Python and tenzir in C++. 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 tenzir?
Choose Anthropic-Cybersecurity-Skills if you want the larger community (33,923 stars) or its Apache-2.0 licence terms. Choose tenzir if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.