List Docker images stored on the NAS, including whether an update is available.
AI agents call list_docker_images to retrieve information from Synology MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries existing Docker image metadata without creating, modifying, deleting, or executing any operations. It is purely informational and non-destructive, making it a Read category risk with low severity.
From the tool's definition Tool name is 'list_docker_images' and description states 'List Docker images stored on the NAS, including whether an update is available.' The verb 'list' and the passive information retrieval nature indicate a read-only operation with no side effects.
Attacks that exploit this kind of access
List Docker images stored on the NAS, including whether an update is available. It is categorised as a Read tool in the Synology MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Synology MCP Server MCP server in PolicyLayer and add a rule for list_docker_images: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Synology MCP Server. Nothing to install.
list_docker_images is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_docker_images rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for list_docker_images. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
list_docker_images is provided by the Synology MCP Server MCP server (rafalr100/synology-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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