remove_sharegroup_image

THE RISK

Critical Risk

Why remove_sharegroup_image needs a policy

Removing a shared image from a share group is an irreversible action that destroys the sharing relationship and revokes access. While the image itself may not be deleted, the action cannot be easily undone and represents a destructive operation on the share group's image configuration.

From the tool's definition Tool name 'remove_sharegroup_image' with description 'Revoke access to a shared image in a share group' indicates irreversible removal of access permissions and potentially image sharing relationships.

Documented attack patterns abuse exactly the kind of access remove_sharegroup_image gives an agent:

POLICY

How to control remove_sharegroup_image

PolicyLayer is an MCP gateway — it sits between your AI agents and Linode MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for remove_sharegroup_image:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "remove_sharegroup_image"
  ]
}

remove_sharegroup_image disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

Create a free account and register Linode MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

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All 416 Linode MCP Server tools →

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Go deeper

Critical-risk tools in Linode MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about remove_sharegroup_image

What does the remove_sharegroup_image tool do? +

Revoke access to a shared image in a share group. It is categorised as a Destructive tool in the Linode MCP Server 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 remove_sharegroup_image? +

Register the Linode MCP Server MCP server in PolicyLayer and add a rule for remove_sharegroup_image: 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 Linode MCP Server. Nothing to install.

What risk level is remove_sharegroup_image? +

remove_sharegroup_image 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 remove_sharegroup_image? +

Yes. Add a rate_limit block to the remove_sharegroup_image 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 remove_sharegroup_image completely? +

Set action: deny in the PolicyLayer policy for remove_sharegroup_image. 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 remove_sharegroup_image? +

remove_sharegroup_image is provided by the Linode MCP Server MCP server (takashito/linode-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Linode MCP Server tool call.

Start from Linode MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →