High-risk tools in Posterly

High severity Posterly MCP Server 2 of 66 tools

2 of the 66 tools in Posterly are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.

Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.

Tools at high risk

run_video_function Execute

Run a read-only Veo helper function before generation: list_input_modes, estimate_cost, or validate_request. This does not generate video or spend credits.
test_webhook Execute

Send a signed webhook.test delivery to a webhook URL. OUTBOUND SIDE EFFECT: get explicit confirmation before sending a test request.

Attacks that target this class

High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.

Destructive Action Autonomy
Runaway Tool Loops
Prompt Injection via Tool Results

High-risk tools in Posterly

Tools at high risk

Attacks that target this class

More on Posterly

Enforce policy on every Posterly tool call.