updatePerson · Follow Up Boss MCP Server MCP: Risk & Policy

WHAT IT DOES

What updatePerson does on Follow Up Boss MCP Server

AI agents use updatePerson 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 updatePerson needs a policy

This tool creates or modifies data reversibly by updating person records in the CRM system. While modifications are reversible (a core characteristic of Write rather than Destructive), the high severity reflects that CRM person data is often business-critical (contact information, relationship history, deal associations), and an AI agent could corrupt important customer records if misused.

From the tool's definition Tool named 'updatePerson' with description 'Update an existing person in FUB' modifies existing data in the Follow Up Boss CRM. The description explicitly indicates modification of person records.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

updatePerson Rate-limited

updatePerson 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": {
    "updatePerson": {
      "limits": [
        {
          "counter": "updateperson_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 updatePerson

What does the updatePerson tool do? +

Update an existing person in FUB. 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 updatePerson? +

Register the Follow Up Boss MCP Server MCP server in PolicyLayer and add a rule for updatePerson: 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 updatePerson? +

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

Can I rate-limit updatePerson? +

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

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

updatePerson 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.