docker_images

Manage Docker images: list, pull, remove, inspect, prune unused, view history.

Server RedisNexus rajkumar-madhu/mcp
Category Destructive
Risk class Critical
Parameters 00 required

What docker_images does on RedisNexus

AI agents call docker_images to permanently remove resources in RedisNexus — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

Why docker_images needs a policy

This tool spans multiple categories. 'Remove' and 'prune unused' are irreversible destructive operations that permanently delete Docker images. 'Pull' is a Write operation. Since the most severe applicable category applies, and removing/pruning Docker images is irreversible (cannot be undone once deleted), this classifies as Destructive.

From the tool's definition Manage Docker images: list, pull, remove, inspect, prune unused, view history.

Questions about docker_images

What does the docker_images tool do? +

Manage Docker images: list, pull, remove, inspect, prune unused, view history. It is categorised as a Destructive tool in the RedisNexus MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on docker_images? +

Register the RedisNexus MCP server in PolicyLayer and add a rule for 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 RedisNexus. Nothing to install.

What risk level is docker_images? +

docker_images is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit docker_images? +

Yes. Add a rate_limit block to the 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.

How do I block docker_images completely? +

Set action: deny in the PolicyLayer policy for 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.

What MCP server provides docker_images? +

docker_images is provided by the RedisNexus MCP server (rajkumar-madhu/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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