xbird

CRITICAL E005: Suspicious download URL detected in skill instructions.

• Suspicious download URL detected (high risk: 0.70). These URLs point to a seemingly coherent open-source project (GitHub, npm, shields, docs) but include remote-executed installs (npx), instructions to read/paste browser session cookies (auth_token, ct0), and backend endpoints hosted on personal/third‑party hosts (railway.app, virtuals.io) — combinations that present a realistic risk of credential exfiltration or arbitrary code execution, so treat as suspicious until the package/maintainer reputation is verified.

MEDIUM W012: Unverifiable external dependency detected (runtime URL that controls agent).

• Potentially malicious external URL detected (high risk: 0.90). The skill explicitly requires fetching and running remote code at runtime via npx / bunx for the @checkra1n/xbird package (e.g., https://www.npmjs.com/package/@checkra1n/xbird and its repo https://github.com/checkra1neth/xbird), which will download and execute external code on the host.