adb_send_sms · Openclaw Adb MCP: Risk & Policy

WHAT IT DOES

What adb_send_sms does on Openclaw Adb

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

WHY IT NEEDS A POLICY

Why adb_send_sms needs a policy

This tool enables creation and transmission of SMS messages, which constitutes writing/modifying communication data. Severity is medium rather than high because: (1) the user must manually confirm send, providing a human checkpoint; (2) SMS is a standard communication medium with limited financial or destructive capability in isolation; (3) misuse could spam contacts or send unintended messages but lacks the…

From the tool's definition Tool opens SMS composer with pre-filled message, enabling composition and transmission of SMS messages. While the description states 'user must press send,' the tool facilitates message drafting toward eventual transmission, which modifies communication state…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

adb_send_sms Rate-limited

adb_send_sms 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": {
    "adb_send_sms": {
      "limits": [
        {
          "counter": "adb_send_sms_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Openclaw Adb, so you can run agents against it safely.

FAQ

Questions about adb_send_sms

What does the adb_send_sms tool do? +

Open SMS composer with a pre-filled message (user must press send). It is categorised as a Write tool in the Openclaw Adb MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on adb_send_sms? +

Register the Openclaw Adb MCP server in PolicyLayer and add a rule for adb_send_sms: 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 Openclaw Adb. Nothing to install.

What risk level is adb_send_sms? +

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

Can I rate-limit adb_send_sms? +

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

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

adb_send_sms is provided by the Openclaw Adb MCP server (wilsonbeam/openclaw-adb-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.