twilio_list_messages
List SMS messages sent or received on a Twilio account.
This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/twilio-list-messages.md
What twilio_list_messages does on UnClick
AI agents call twilio_list_messages to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
to | string | — | |
from | string | — | |
date_sent | string | — | Filter by date (YYYY-MM-DD) |
page_size | number | — | |
auth_token | string | Yes | |
account_sid | string | Yes |
Parameters from the server's own tool schema.
Why twilio_list_messages is rated Low
This tool retrieves and queries message history from a Twilio account without modifying or deleting data. It is a Read operation. Severity is elevated to medium because SMS messages commonly contain sensitive information (OTPs, payment confirmations, personal data) that could be exfiltrated if an agent gains unauthorized access to this tool or the account credentials.
From the tool's definition Tool name contains 'list' and description states 'List SMS messages sent or received' — a retrieval operation with no modification or deletion. However, SMS messages may contain sensitive personal or financial information.
Attacks that exploit this kind of access
The rule that runs twilio_list_messages safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For twilio_list_messages, this is the rule to start with:
twilio_list_messages is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every twilio_list_messages call is checked against it from then on.
Questions about twilio_list_messages
List SMS messages sent or received on a Twilio account. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
twilio_list_messages accepts 6 parameters: to, from, date_sent, page_size, auth_token, account_sid. Required: auth_token, account_sid. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for twilio_list_messages: 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 UnClick. Nothing to install.
twilio_list_messages is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the twilio_list_messages 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 twilio_list_messages. 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.
twilio_list_messages is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on UnClick, and thousands of servers like it.
This server
Across the catalogue