docker-clean
Clean Docker system with different scopes
This record as markdown: /tools/0xshariq-docker-mcp-server/docker-clean.md
What docker-clean does on Docker MCP Server
AI agents call docker-clean to permanently remove resources in Docker MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why docker-clean is rated Critical
Docker system clean operations (equivalent to 'docker system prune') remove unused or stopped resources permanently. These operations cannot be undone once executed. The 'different scopes' suggests varying blast radius from targeted cleanup to full system purge. Misuse by an AI agent could result in loss of images, volumes with persistent data, and container state.
From the tool's definition 'Clean Docker system' - cleaning operations in Docker involve removing stopped containers, unused images, networks, and volumes, which are irreversible deletions
Attacks that exploit this kind of access
The rule that runs docker-clean safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Docker MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For docker-clean, this is the rule to start with:
docker-clean is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Docker MCP Server, apply this rule, and every docker-clean call is checked against it from then on.
Questions about docker-clean
Clean Docker system with different scopes. It is categorised as a Destructive tool in the Docker MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Docker MCP Server MCP server in PolicyLayer and add a rule for docker-clean: 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 Docker MCP Server. Nothing to install.
docker-clean is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the docker-clean 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 docker-clean. 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.
docker-clean is provided by the Docker MCP Server MCP server (0xshariq/docker-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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