lob

Pass

Audited by Gen Agent Trust Hub on Apr 21, 2026

Risk Level: SAFECOMMAND_EXECUTIONEXTERNAL_DOWNLOADSPROMPT_INJECTION
Full Analysis
  • [COMMAND_EXECUTION]: The skill utilizes the membrane CLI (e.g., membrane action run, membrane request) to interact with the Lob API. These commands are standard for the vendor's platform and used to execute predefined integration actions.
  • [EXTERNAL_DOWNLOADS]: The instructions direct the user to install @membranehq/cli via NPM. This is the official command-line tool provided by the skill's vendor and is necessary for the skill's functionality.
  • [PROMPT_INJECTION]: The skill possesses an indirect prompt injection surface as it ingests and processes data from the Lob API (such as address details, templates, or letter content).
  • Ingestion points: Data enters the agent context via membrane action run and membrane request (SKILL.md).
  • Boundary markers: None identified in the provided instructions.
  • Capability inventory: The skill can execute shell commands via the CLI and perform network requests via the Membrane proxy (SKILL.md).
  • Sanitization: No explicit sanitization or validation of the ingested API data is described in the skill instructions.
Audit Metadata
Risk Level
SAFE
Analyzed
Apr 21, 2026, 07:44 PM