nemo-relay-migrate-from-flow

Pass

Audited by Gen Agent Trust Hub on Aug 13, 2026

Risk Level: SAFE
Full Analysis
  • [COMMAND_EXECUTION]: The skill invokes a bundled Python utility migrate_from_nemo_flow.py to perform the migration. The script is designed with significant security controls, including the use of directory-relative operations (dir_fd) and the O_NOFOLLOW flag to prevent symlink attacks and path traversal vulnerabilities.
  • [DYNAMIC_EXECUTION]: The script uses ctypes.CDLL(None) to interface with the system's C library. This is used exclusively to access platform-specific atomic rename functions (renameat2 on Linux and renameatx_np on macOS) to ensure filesystem mutations are safe and atomic.
  • [INDIRECT_PROMPT_INJECTION]: The skill processes untrusted user codebase data during the migration process.
  • Ingestion points: The migrate_from_nemo_flow.py script recursively scans a target directory provided by the user.
  • Boundary markers: The instructions mandate a dry-run phase and explicit user confirmation of the target path before any modifications occur.
  • Capability inventory: The script possesses file read, write, and rename capabilities, but restricts these to regular files within a validated directory structure.
  • Sanitization: The script filters for specific text-based file extensions, skips binary files (detecting null bytes), and implements is_safe_entry checks to ensure no operations occur outside the confirmed root.
Audit Metadata
Risk Level
SAFE
Analyzed
Aug 13, 2026, 07:21 PM
Security Audit — agent-trust-hub — nemo-relay-migrate-from-flow