AI agents call text_extract_emails to retrieve information from UnClick without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
text | string | Yes |
Parameters from the server's own tool schema.
This tool performs pattern matching and data extraction on provided text, producing a list of email addresses. It has no side effects, does not modify data, execute code, or trigger external operations. It is a straightforward read/query operation with minimal security risk. The low severity reflects that misuse would only expose information that was already in the text provided to the tool.
From the tool's definition Tool name 'text_extract_emails' and description 'Extract all email addresses from a text' indicate a retrieval operation that parses input and returns email addresses without modifying, deleting, or executing any external operations.
Attacks that exploit this kind of access
Extract all email addresses from a text. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
text_extract_emails accepts 1 parameter: text. Required: text. 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 text_extract_emails: 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.
text_extract_emails 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 text_extract_emails 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 text_extract_emails. 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.
text_extract_emails 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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