lookup_mxrecords
Get MX records and detect email provider (Google/Microsoft/Zoho/etc.). Use for B2B enrichment and email-deliverability checks. Example call: {"domain": "openai.com"} Cost: $0.005–$0.05 USDC on Base per call.
This record as markdown: /tools/io-github-colinhughes2121-gocreative-agent-api/lookup-mxrecords.md
What lookup_mxrecords does on GoCreative Agent API
AI agents call lookup_mxrecords to retrieve information from GoCreative Agent API 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 |
|---|---|---|---|
domain | string | Yes |
Parameters from the server's own tool schema.
Why lookup_mxrecords is rated Low
MX record lookups are read-only DNS queries that retrieve publicly available mail server configuration data. No side effects, no data modification, no code execution, and no financial transactions occur. The tool is designed for informational enrichment (B2B enrichment and email-deliverability checks).
From the tool's definition Tool description states 'Get MX records and detect email provider' - a pure query operation with no modification, deletion, or execution capabilities. The example call shows a passive lookup: {"domain": "openai.com"}.
Attacks that exploit this kind of access
The rule that runs lookup_mxrecords safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GoCreative Agent API, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For lookup_mxrecords, this is the rule to start with:
lookup_mxrecords 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 GoCreative Agent API, apply this rule, and every lookup_mxrecords call is checked against it from then on.
Questions about lookup_mxrecords
Get MX records and detect email provider (Google/Microsoft/Zoho/etc.). Use for B2B enrichment and email-deliverability checks. Example call: {"domain": "openai.com"} Cost: $0.005–$0.05 USDC on Base per call. It is categorised as a Read tool in the GoCreative Agent API MCP Server, which means it retrieves data without modifying state.
lookup_mxrecords accepts 1 parameter: domain. Required: domain. The full parameter table on this page comes from the server's own tool schema.
Register the GoCreative Agent API MCP server in PolicyLayer and add a rule for lookup_mxrecords: 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 GoCreative Agent API. Nothing to install.
lookup_mxrecords 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 lookup_mxrecords 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 lookup_mxrecords. 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.
lookup_mxrecords is provided by the GoCreative Agent API MCP server (https://api.gocreativeai.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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