INDIVIDUAL MCP TOOL

check_spf

Check a domain's SPF record: whether it exists and is valid, how many of the 10 allowed DNS lookups it uses, and how its all mechanism treats mail from servers that are not listed.

mxverdict.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://mxverdict.com/mcp

No auth detected

Connect to this endpoint to inspect the live schema for check_spf and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

Parent server

mxverdict.com

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.mxverdict]
url = "https://mxverdict.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "mxverdict": {
      "type": "http",
      "url": "https://mxverdict.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: mxverdict
Remote MCP URL: https://mxverdict.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "mxverdict": {
      "url": "https://mxverdict.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "mxverdict": {
      "type": "http",
      "url": "https://mxverdict.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "mxverdict",
  "transport": "streamable-http",
  "url": "https://mxverdict.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

check_email_domain — Check everything about a domain's email setup in one call: SPF, DMARC, MX, DKIM on common selectors, domain blocklists, MTA-STS, TLS-RPT and BIMI.
check_dkim — Check a domain's DKIM public keys in DNS.
check_dmarc — Check a domain's DMARC record: whether it exists and is valid, its policy (none, quarantine or reject), alignment, and where reports are sent.
lookup_mx — Look up a domain's MX records (its incoming mail servers), their IP addresses and reverse DNS.
dns_lookup — Look up DNS records of a name.
check_blacklist — Check whether an IP address or a domain is listed on public DNS blocklists (DNSBLs).