remove_ip_block

Remove an IP address from the block list

SERVER20i MCP Server SOURCEcbrown35/20i-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/cbrown35-20i-mcp/remove-ip-block.md

WHAT IT DOES

What remove_ip_block does on 20i MCP Server

AI agents call remove_ip_block to permanently remove resources in 20i MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why remove_ip_block is rated Critical

Removing an IP block is an irreversible security action in the moment it occurs; it immediately re-enables access for that IP address. While the block itself can be re-added, the security exposure during the gap is a meaningful risk. The action cannot be automatically undone, and if an AI agent misuses this tool it could expose services to previously blocked malicious IPs.

From the tool's definition 'Remove an IP address from the block list' — this action removes a security control that was previously blocking an IP address.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs remove_ip_block safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 20i MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For remove_ip_block, this is the rule to start with:

remove_ip_block Hidden

remove_ip_block is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

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

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect 20i MCP Server, apply this rule, and every remove_ip_block call is checked against it from then on.

FAQ

Questions about remove_ip_block

What does the remove_ip_block tool do? +

Remove an IP address from the block list. It is categorised as a Destructive tool in the 20i 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_ip_block? +

Register the 20i MCP Server MCP server in PolicyLayer and add a rule for remove_ip_block: 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 20i MCP Server. Nothing to install.

What risk level is remove_ip_block? +

remove_ip_block 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_ip_block? +

Yes. Add a rate_limit block to the remove_ip_block 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_ip_block completely? +

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

remove_ip_block is provided by the 20i MCP Server MCP server (cbrown35/20i-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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