cdp_update_message_def

Update a message definition by ID. Pass updated fields as a JSON string.

SERVERCDP MCP Server SOURCEatharva-joshi77/cdp-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/atharva-joshi77-cdp-mcp/cdp-update-message-def.md

WHAT IT DOES

What cdp_update_message_def does on CDP MCP Server

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

RISK

Why cdp_update_message_def is rated Medium

This tool creates or modifies data reversibly by updating message definitions in the CDP system. It falls under Write category as it changes existing configurations/data without deleting them.

From the tool's definition Tool name 'cdp_update_message_def' with description 'Update a message definition by ID' indicates modification of existing data. The phrase 'Pass updated fields as a JSON string' confirms it accepts parameters to alter message definitions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs cdp_update_message_def safely

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

cdp_update_message_def Rate-limited

cdp_update_message_def 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": {
    "cdp_update_message_def": {
      "limits": [
        {
          "counter": "cdp_update_message_def_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about cdp_update_message_def

What does the cdp_update_message_def tool do? +

Update a message definition by ID. Pass updated fields as a JSON string. It is categorised as a Write tool in the CDP 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 cdp_update_message_def? +

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

What risk level is cdp_update_message_def? +

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

Can I rate-limit cdp_update_message_def? +

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

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

cdp_update_message_def is provided by the CDP MCP Server MCP server (atharva-joshi77/cdp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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