Low Risk

get_webhook_events

Get the most recent webhook events received by the handler.

How to control get_webhook_events ↓

What get_webhook_events does on Telnyx MCP Server

AI agents call get_webhook_events to retrieve information from Telnyx MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why get_webhook_events needs a policy

This tool retrieves historical webhook event data. It performs a query/read operation only—fetching existing event records without creating, modifying, deleting, or executing any actions. No financial transactions, destructive operations, or code execution are involved.

From the tool's definition Tool name 'get_webhook_events' and description 'Get the most recent webhook events received by the handler' indicate a retrieval operation with no modifications or side effects.

Documented attack patterns abuse exactly the kind of access get_webhook_events gives an agent:

How to control get_webhook_events

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 get_webhook_events:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_webhook_events": {}
  }
}

get_webhook_events is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Telnyx MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about get_webhook_events

What does the get_webhook_events tool do? +

Get the most recent webhook events received by the handler. It is categorised as a Read tool in the Telnyx MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_webhook_events? +

Register the Telnyx MCP Server MCP server in PolicyLayer and add a rule for get_webhook_events: 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.

What risk level is get_webhook_events? +

get_webhook_events is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_webhook_events? +

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

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

get_webhook_events 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.

Enforce policy on every Telnyx MCP Server tool call.

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.

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