Initiate a phone number order.
AI agents use initiate_phone_number_order to commit financial operations through Telnyx MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
Ordering phone numbers through Telnyx is a paid service that commits the account to recurring or one-time charges. This directly creates financial obligations, placing it in the Financial category. Misuse by an AI agent could result in unwanted purchases of phone numbers and associated costs.
From the tool's definition 'Initiate a phone number order' — ordering phone numbers from a telephony provider (Telnyx) is a commercial transaction that incurs costs and creates financial obligations.
Documented attack patterns abuse exactly the kind of access initiate_phone_number_order gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Telnyx MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for initiate_phone_number_order:
{
"version": "1",
"default": "deny",
"tools": {
"initiate_phone_number_order": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to initiate_phone_number_order is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Initiate a phone number order. It is categorised as a Financial tool in the Telnyx MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Telnyx MCP Server MCP server in PolicyLayer and add a rule for initiate_phone_number_order: 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 Telnyx MCP Server. Nothing to install.
initiate_phone_number_order is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the initiate_phone_number_order 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 initiate_phone_number_order. 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.
initiate_phone_number_order is provided by the Telnyx MCP Server MCP server (team-telnyx/telnyx-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Telnyx MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
46 Telnyx MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.