util_email_domain

Delx first-party micro-utility util_email_domain at $0.001 USDC.

SERVERDelx MCP Server SOURCEdelx-mcp-server

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-davidmosiah-delx-mcp-server/util-email-domain.md

WHAT IT DOES

What util_email_domain does on Delx MCP Server

AI agents call util_email_domain to retrieve information from Delx MCP Server 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
`email`	string	Yes	email

Parameters from the server's own tool schema.

RISK

Why util_email_domain is rated Low

This tool appears to retrieve or validate email domain metadata without modifying data or triggering external operations. The micro-utility framing and negligible cost suggest a read-only helper function. No evidence of data modification, deletion, code execution, or financial transactions beyond a flat micro-charge.

From the tool's definition Tool name 'util_email_domain' suggests a utility for querying or validating email domain information. Description indicates a 'micro-utility' with minimal cost ($0.001 USDC), implying lightweight data retrieval rather than state-changing operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs util_email_domain safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Delx MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For util_email_domain, this is the rule to start with:

util_email_domain Allowed

util_email_domain is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "util_email_domain": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Delx MCP Server, apply this rule, and every util_email_domain call is checked against it from then on.

FAQ

Questions about util_email_domain

What does the util_email_domain tool do? +

Delx first-party micro-utility util_email_domain at $0.001 USDC. It is categorised as a Read tool in the Delx MCP Server MCP Server, which means it retrieves data without modifying state.

What parameters does util_email_domain accept? +

util_email_domain accepts 1 parameter: email. Required: email. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on util_email_domain? +

Register the Delx MCP Server MCP server in PolicyLayer and add a rule for util_email_domain: 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 Delx MCP Server. Nothing to install.

What risk level is util_email_domain? +

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

Can I rate-limit util_email_domain? +

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

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

util_email_domain is provided by the Delx MCP Server MCP server (delx-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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