add_keywords_to_blacklist

WHAT IT DOES

What add_keywords_to_blacklist does on Multilead Open API MCP Server

AI agents use add_keywords_to_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_blacklist needs a policy

This tool creates or modifies blacklist entries, which is a reversible data modification (Write category). The severity is medium because misuse could block legitimate communications or bypass intended filtering, but the effect is reversible and primarily affects configuration rather than critical data or financial transactions.

From the tool's definition Tool name 'add_keywords_to_blacklist' indicates modification of a blacklist configuration. Sibling tool 'add_keywords_to_global_blacklist' confirms this is a write operation that updates filter rules. Description is empty, which lowers confidence slightly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_keywords_to_blacklist Rate-limited

add_keywords_to_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_blacklist": {
      "limits": [
        {
          "counter": "add_keywords_to_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_blacklist

What does the add_keywords_to_blacklist tool do? +

add_keywords_to_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_blacklist? +

Register the Multilead Open API MCP Server MCP server in PolicyLayer and add a rule for add_keywords_to_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_blacklist? +

add_keywords_to_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_blacklist? +

Yes. Add a rate_limit block to the add_keywords_to_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_blacklist completely? +

Set action: deny in the PolicyLayer policy for add_keywords_to_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_blacklist? +

add_keywords_to_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.