High-risk tools in Project Guardian MCP

High severity Project Guardian MCP MCP Server 6 of 38 tools

6 of the 38 tools in Project Guardian MCP 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

close_ui Execute

Stop the Project Guardian Web UI server if running. Use after start_ui or to free port 3000.
execute_sql Execute

Execute raw SQL query on the project or central memory database (database:
initialize_memory Execute

Initialize the project memory system and database schema
scan_container_image Execute

Scan a container image for HIGH and CRITICAL vulnerabilities using Trivy
start_ui Execute

Start the Project Guardian Web UI server on demand. Automatically searches for a free port and returns the local HTTP URL.
stop_ui Execute

Alias for close_ui — stop the Web UI server.

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 Project Guardian MCP

Tools at high risk

Attacks that target this class

More on Project Guardian MCP

Enforce policy on every Project Guardian MCP tool call.