# MXToolbox — MCP server on mcp.ai
> Connect your MXToolbox account and use 13 tools for server monitoring straight from your AI agent. Connect with your own API key. MxToolbox provides a suite of network diagnostic and monitoring tools, including DNS lookups, blacklist checks, and email health analysis.

By: mcp.ai · official
Page: https://mcp.ai/mx_toolbox

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_mx_toolbox?ms=1787291460000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/mx_toolbox/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/mx_toolbox/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/mx_toolbox/skill.md
Postman collection (v2.1): https://mcp.ai/mx_toolbox/postman.json

## Tools
- mx_toolbox_lookup_bimi_record(domain: string) — Retrieves BIMI (Brand Indicators for Message Identification) record and diagnostic information for a domain. BIMI allows organizations to display verified logos in email clients. This tool checks: - W
- mx_toolbox_lookup_blacklist(domain_or_ip: string) — Tool to perform a blacklist check on a domain or IP. Use when you need to verify whether a domain or IP is listed in common blacklists.
- mx_toolbox_lookup_dkim(domain: string) — Tool to retrieve DKIM (DomainKeys Identified Mail) records for a domain. DKIM is an email authentication method that helps prevent email spoofing by allowing the receiver to verify that an email was a
- mx_toolbox_lookup_dmarc(domain: string) — Retrieves DMARC (Domain-based Message Authentication, Reporting & Conformance) records for a domain and performs validation checks. Returns detailed information about the DMARC record including policy
- mx_toolbox_lookup_dns(domain: string) — Performs comprehensive DNS health check and retrieves name server records for a domain. Returns detailed diagnostics including: - Name server (NS) records with IP addresses, TTL, and status - DNS conf
- mx_toolbox_lookup_http(domain: string) — Tool to perform an HTTP test on a domain. Use when you need to assess HTTP connectivity and status for a given domain.
- mx_toolbox_lookup_mta_sts_record(domain: string) — Tool to lookup MTA-STS record for a domain. Use when validating mail transport security policy.
- mx_toolbox_lookup_mx(domain: string) — Retrieves MX (Mail Exchange) records for a domain. Returns the mail servers responsible for receiving email for the domain, including their priority, hostname, IP address, and TTL. Use this to discove
- mx_toolbox_lookup_ping(domain_or_ip: string) — Performs a ping test to check network connectivity and measure round-trip time to a domain or IP address. Returns detailed ping statistics including response time, TTL (Time-To-Live), packet size, and
- mx_toolbox_lookup_smtp(domain: string) — Tool to perform an SMTP connectivity test on a domain. Returns diagnostic results including connection status, DNS checks, TLS support, and other email deliverability indicators. Use when verifying SM
- mx_toolbox_lookup_spf(domain: string) — Tool to retrieve SPF records for a specified domain. Use when confirming email sender authorization policies.
- mx_toolbox_monitor_status() — Retrieves the current status of all monitors configured in the MX Toolbox account. This action returns a list of all monitors with their health status, last check time, reputation scores, and any fail
- mx_toolbox_usage_check() — Retrieve API usage statistics for DNS and network lookups. Returns current request counts, maximum allowed requests, and any overage errors for both DNS lookups and network operations (HTTP, SMTP, Pin

## Example prompts
- "What can I do in MXToolbox?"
- "Show me a summary of my MXToolbox account"

## Links
Docs: https://mcp.ai/docs/mcps/mx_toolbox
Website: https://mcp.ai/mcps/mx_toolbox