add_opportunity_followers

Add followers to an opportunity for notifications and tracking

SERVERGhl SOURCEghl-mcp-server

Medium RISK CLASS

Category Write

Parameters 22 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/ghl/add-opportunity-followers.md

WHAT IT DOES

What add_opportunity_followers does on Ghl

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

Parameter	Type	Required	Description
`followers`	array	Yes	Array of user IDs to add as followers
`opportunityId`	string	Yes	The unique ID of the opportunity

Parameters from the server's own tool schema.

RISK

Why add_opportunity_followers is rated Medium

This tool creates or modifies data (adds followers to an opportunity) without permanently deleting or destroying information, placing it in the Write category. The severity is medium because while the action is reversible, unauthorized addition of followers could enable unwanted monitoring or notification injection into business workflows, potentially affecting visibility and access controls in a CRM system.

From the tool's definition Tool description states "Add followers to an opportunity for notifications and tracking" — this modifies an opportunity record by adding followers, which is a reversible data modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs add_opportunity_followers safely

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

add_opportunity_followers Rate-limited

add_opportunity_followers 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_opportunity_followers": {
      "limits": [
        {
          "counter": "add_opportunity_followers_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 Ghl, apply this rule, and every add_opportunity_followers call is checked against it from then on.

FAQ

Questions about add_opportunity_followers

What does the add_opportunity_followers tool do? +

Add followers to an opportunity for notifications and tracking. It is categorised as a Write tool in the Ghl MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does add_opportunity_followers accept? +

add_opportunity_followers accepts 2 parameters: followers, opportunityId. Required: followers, opportunityId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on add_opportunity_followers? +

Register the Ghl MCP server in PolicyLayer and add a rule for add_opportunity_followers: 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 Ghl. Nothing to install.

What risk level is add_opportunity_followers? +

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

Can I rate-limit add_opportunity_followers? +

Yes. Add a rate_limit block to the add_opportunity_followers 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_opportunity_followers completely? +

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

add_opportunity_followers is provided by the Ghl MCP server (ghl-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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