Is glasswing-open CLAUDE.md safe to install?

Yes — glasswing-open CLAUDE.md is safe to install, with something worth knowing. Sonnet 5 read every file glasswing-open CLAUDE.md ships from igorbarshteyn/glasswing-open on 7 September 2026 and found nothing that acts against the person installing it; the static scan of its 26 rules grades it A.

Reviewed by Sonnet 5 on 7 September 2026 · a grade is what a scan and a reading found, not a guarantee · how this works

What the reviewer found

Glasswing-Open CLAUDE.md is an authorized-pentest playbook ("defensive security researcher conducting authorized vulnerability assessment") wiring an agent to Kali tools (nmap, sqlmap, Metasploit, etc.). The HTML comment is a fill-in-the-blank template placeholder, and the 169.254.169.254 line is SSRF-testing methodology for the engagement target, not a call the file itself makes. It does run many recon/exploit tools by design, which is the entire declared purpose of this dual-use tool, gated on "authorized engagement" language throughout.

What was read

The file as it ships in igorbarshteyn/glasswing-open:

What the static scan said

The scan flagged 4things. The reviewer kept 2 and dismissed 2 as false.

How this review was made

Sonnet 5 read the files above on 7 September 2026 and answered three questions: is it dangerous to whoever installs it, is each scanner finding real, and what should the installer know. The verdict is bound to the file's hash; when the file changes, it is scanned afresh and reviewed again. A script that changes while the definition does not is not re-reviewed — that is a known gap. How the scan and the review work.

Produced by agentmods.dev · Sonnet 5 · 7 September 2026

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