JWT attack playbook — algorithm confusion (alg=none, HS/RS confusion), kid path traversal/SQLi, jku/x5u SSRF, weak HS256 cracking, and embedded JWK trickery. Use when the target uses JWTs for auth (header.payload.signature).
How to install jwt?
pentesterflow/agent/jwt
$npx -y skills add pentesterflow/agent --skill jwtInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/pentesterflow/agent" --skill "pentesterflow/agent/jwt"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/pentesterflow/agent" that are relevant to the current task. Run `npx skills add "https://github.com/pentesterflow/agent"` and select the relevant skills, then follow their instructions.
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