inboxAppUpdateMessage · Follow Up Boss MCP Server MCP

WHAT IT DOES

What inboxAppUpdateMessage does on Follow Up Boss MCP Server

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

WHY IT NEEDS A POLICY

Why inboxAppUpdateMessage needs a policy

This tool modifies an existing inbox message rather than creating new data (Write, not Execute) or deleting it (not Destructive). The blast radius is medium because unintended updates to inbox messages could confuse users or disrupt communication workflows, but the change is reversible.

From the tool's definition Tool name 'inboxAppUpdateMessage' with description 'Update an inbox app message' indicates modification of existing data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

inboxAppUpdateMessage Rate-limited

inboxAppUpdateMessage 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": {
    "inboxAppUpdateMessage": {
      "limits": [
        {
          "counter": "inboxappupdatemessage_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 Follow Up Boss MCP Server, so you can run agents against it safely.

FAQ

Questions about inboxAppUpdateMessage

What does the inboxAppUpdateMessage tool do? +

Update an inbox app message. It is categorised as a Write tool in the Follow Up Boss 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 inboxAppUpdateMessage? +

Register the Follow Up Boss MCP Server MCP server in PolicyLayer and add a rule for inboxAppUpdateMessage: 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 Follow Up Boss MCP Server. Nothing to install.

What risk level is inboxAppUpdateMessage? +

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

Can I rate-limit inboxAppUpdateMessage? +

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

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

inboxAppUpdateMessage is provided by the Follow Up Boss MCP Server MCP server (nerdsnipe-inc/follow-up-boss-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.