Update settings for a purchased phone number including forwarding rules, messaging, and friendly name.
AI agents use ghl_update_phone_number to create or update resources in GoHighLevel MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your GoHighLevel MCP Server environment.
The tool updates phone number settings (forwarding rules, messaging preferences, friendly name) which are configuration changes that can be modified but remain reversible. This is a Write operation rather than Execute because it modifies stored settings rather than triggering external communications or commands.
From the tool's definition Tool description states 'Update settings for a purchased phone number including forwarding rules, messaging, and friendly name' — this is a modification operation that changes phone number configuration.
Documented attack patterns abuse exactly the kind of access ghl_update_phone_number gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and GoHighLevel MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for ghl_update_phone_number:
{
"version": "1",
"default": "deny",
"tools": {
"ghl_update_phone_number": {
"limits": [
{
"counter": "ghl_update_phone_number_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}ghl_update_phone_number 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.
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Update settings for a purchased phone number including forwarding rules, messaging, and friendly name. It is categorised as a Write tool in the GoHighLevel MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for ghl_update_phone_number: 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 GoHighLevel MCP Server. Nothing to install.
ghl_update_phone_number is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the ghl_update_phone_number 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.
Set action: deny in the PolicyLayer policy for ghl_update_phone_number. 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.
ghl_update_phone_number is provided by the GoHighLevel MCP Server MCP server (busybee3333/go-high-level-mcp-2026-complete). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 566 GoHighLevel MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
566 GoHighLevel MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.