Email DNS Preflight x402

Paid email, DNS, mail-security and RDAP intelligence for agents over x402.

Should I use this

Quality & Safety

A
Description quality
93%
Schema completeness
80%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Findings (1)

  • LOWTool 'domain_rdap' description lacks action verbin domain_rdap

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~489Tokens (tool definitions)
~503 BTypical response size
Minimal attention impact (0.38% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "email-dns-preflight-x402": {
      "url": "https://email-dns-preflight-x402.copper-crate.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://email-dns-preflight-x402.copper-crate.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (4)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢email_preflight(email)

Validate practical email syntax and inspect DNS, mail routing, authentication and domain-security posture. DNS-level only; no SMTP mailbox-existence claim. Costs $0.001 native USDC on Base.

Input Schema

{
  "type": "object",
  "properties": {
    "email": {
      "type": "string",
      "minLength": 3,
      "maxLength": 254
    }
  },
  "required": [
    "email"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢domain_preflight(domain)

Inspect DNS records, CAA, SPF/DMARC/DKIM/BIMI, DNSSEC, RDAP age/expiry, registrar-lock and nameserver-redundancy posture. Costs $0.001 native USDC on Base.

Input Schema

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "minLength": 1,
      "maxLength": 253
    }
  },
  "required": [
    "domain"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢domain_email_security(domain)

Focused SPF/DMARC/DKIM/BIMI diagnostics with bounded recursive SPF lookup analysis, CAA/DNSSEC context and deterministic fixes. Costs $0.001 native USDC on Base.

Input Schema

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "minLength": 1,
      "maxLength": 253
    }
  },
  "required": [
    "domain"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}
🟢domain_rdap(domain)

Privacy-safe RDAP/WHOIS-successor lookup for domain age, expiry, registrar, statuses, nameservers and DNSSEC delegation. Costs $0.001 native USDC on Base.

Input Schema

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "minLength": 1,
      "maxLength": 253
    }
  },
  "required": [
    "domain"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}

Community

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Evidence

Recent observations

verifiedversion not recorded4 tools