add_keywords_to_global_blacklist

WHAT IT DOES

What add_keywords_to_global_blacklist does on Multilead Open API MCP Server

AI agents use add_keywords_to_global_blacklist to create or update resources in Multilead Open API MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Multilead Open API MCP Server environment.

WHY IT NEEDS A POLICY

Why add_keywords_to_global_blacklist needs a policy

This tool adds keywords to a global blacklist, which modifies system configuration data. This is a reversible write operation (keywords can be removed), not a read-only query, destructive delete, or external execution. The scope is platform-wide ('global'), giving it medium severity due to potential impact on email filtering/campaign behavior across the system.

From the tool's definition Tool name 'add_keywords_to_global_blacklist' indicates creation/modification of blacklist configuration. Sibling tool 'add_keywords_to_blacklist' confirms blacklist management pattern on this server.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_keywords_to_global_blacklist Rate-limited

add_keywords_to_global_blacklist stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_keywords_to_global_blacklist": {
      "limits": [
        {
          "counter": "add_keywords_to_global_blacklist_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Multilead Open API MCP Server, so you can run agents against it safely.

FAQ

Questions about add_keywords_to_global_blacklist

What does the add_keywords_to_global_blacklist tool do? +

add_keywords_to_global_blacklist. It is categorised as a Write tool in the Multilead Open API MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_keywords_to_global_blacklist? +

Register the Multilead Open API MCP Server MCP server in PolicyLayer and add a rule for add_keywords_to_global_blacklist: 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 Multilead Open API MCP Server. Nothing to install.

What risk level is add_keywords_to_global_blacklist? +

add_keywords_to_global_blacklist is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add_keywords_to_global_blacklist? +

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

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

add_keywords_to_global_blacklist is provided by the Multilead Open API MCP Server MCP server (vanman2024/multilead-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.