send_button_actions

THE RISK

High Risk

Why send_button_actions needs a policy

The tool sends interactive button actions including CALL (triggers a phone call), URL (opens an external URL/performs navigation), and REPLY (sends a message reply). These are outbound actions that trigger external operations whose effects depend on arguments, placing this in the Execute category.

From the tool's definition 'Send interactive action buttons (CALL, URL, REPLY)' — triggers external operations such as initiating calls or navigating URLs on behalf of users

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

POLICY

How to control send_button_actions

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for send_button_actions:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "send_button_actions": {
      "limits": [
        {
          "counter": "send_button_actions_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

send_button_actions stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Mcp Ap2 — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

High-risk tools in Mcp Ap2 → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about send_button_actions

What does the send_button_actions tool do? +

Send interactive action buttons (CALL, URL, REPLY). Do not mix REPLY with CALL/URL in the same message. It is categorised as a Execute tool in the Mcp Ap2 MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on send_button_actions? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for send_button_actions: 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 Mcp Ap2. Nothing to install.

What risk level is send_button_actions? +

send_button_actions is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit send_button_actions? +

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

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

send_button_actions is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Ap2 tool call.

Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →