Caveat verdict
X-Publisher
x-publisher
Installs packages AND executes processes
Twitter/X publishing tool using official Tweepy library with user-provided API credentials from environment variables; reads local media files and posts to the user's own Twitter account as stated.
Automated static analysis — not a human review. Caveat flags capabilities, not confirmed intent, and can produce false positives. Disagree with this verdict? Use Dispute below.
What it does
These are capability combinations: each listed behavior occurs in the skill, but Caveat detects co-occurrence — it does not verify that one flows into another. Read the code to confirm a live chain.
Installs packages AND executes processes — opaque dependency chain with execution
LLM03 · ASI04
Permission integrity
credential_access
package_install
Findings (5)
Possible hardcoded credential
SKILL.md · code · API_KEY="your-api-key
Accesses shell history/config
SKILL.md · code · ~/.zshrc
subprocess execution — runs system commands from Python
SKILL.md · code · subprocess.run(
pip3 install — installs Python packages at runtime
SKILL.md · code · pip3 install
Python os.getenv — reads environment variable
scripts/x_publisher.py · prose · downgraded · os.getenv(
Why the tier is capped
Execution sink present in raw bytes (Hard Floor: class D). Final tier capped at Caution — cannot be lifted by any downgrade, example-payload opt-in, or allowlist.
Permissions & capabilities
No declared permissions — minimal attack surface.
package_installcredential_accessprocess_exec Thanks — recorded.