MCP Servers

mambalabsdev/mcp-domain-deliverability-checker

MCP server for the Mamba Labs Domain Deliverability Checker actor: SPF, DKIM, DMARC, MX, blacklist, catch-all, domain age. Clay-ready.

Our verdict

Not reviewed yet

We have not reviewed mambalabsdev/mcp-domain-deliverability-checker yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

How we review records

From the listing

About mambalabsdev/mcp-domain-deliverability-checker

An MCP server that checks email deliverability indicators for domains including SPF, DKIM, DMARC, MX records, blacklist status, catch-all detection, and domain age. It is designed to work with Clay (a data enrichment platform) for automated domain validation in outreach workflows.

Best for

Developers integrating domain deliverability validation into sales or marketing automation systems

Use cases

Validate domain email deliverability before sending cold emails
Assess domain reputation and technical setup for lead scoring
Automate pre-contact domain checks in CRM or marketing pipelines

Notes

0 stars on GitHub. Last updated 2026-06-19. Licensed MIT.

Pros

Covers multiple key deliverability factors in one request
Ready-to-use as an MCP server for integration with tools like Clay
Lightweight JavaScript implementation

Cons

No community adoption yet (0 stars) implies early stage and potential instability
Requires self-hosting an MCP client or server environment
Limited documentation or support beyond the basic readme

Key facts

What we have checked

Not checked yet. Dated facts such as prices, releases and repository activity appear here once we have confirmed them from a source.

How to use

How to set it up

As the listing publishes it. We have not run this install.

Install

npx -y @mambalabsdev/mcp-domain-deliverability-checker

Tools exposed

check_domain_deliverability

Clients the listing names (not checked here)

Claude Desktop

Example client config

{
  "mcpServers": {
    "mamba-domain-deliverability-checker": {
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-domain-deliverability-checker"
      ],
      "env": {
        "APIFY_TOKEN": "your-apify-token"
      }
    }
  }
}

Install

Add mambalabsdev/mcp-domain-deliverability-checker to your client

Not verified yet

Our lab has not run this server yet. "Config checked" on a client means the recipe matches that client's documented config format; it does not mean we ran it.

Claude Code

Config checked

Run in your terminal (runs on your computer)

claude mcp add --env APIFY_TOKEN=YOUR_APIFY_TOKEN --transport stdio mcp-domain-deliverability-checker -- npx -y @mambalabsdev/mcp-domain-deliverability-checker@1.2.0

Needs APIFY_TOKEN: replace each YOUR_ value with your own.

Version 1.2.0 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Claude Code's config docs

Claude Desktop

Config checked

Add to claude_desktop_config.json (runs on your computer)

{
  "mcpServers": {
    "mcp-domain-deliverability-checker": {
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-domain-deliverability-checker@1.2.0"
      ],
      "env": {
        "APIFY_TOKEN": "YOUR_APIFY_TOKEN"
      }
    }
  }
}

Needs APIFY_TOKEN: replace each YOUR_ value with your own.

Version 1.2.0 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Claude Desktop's config docs

Cursor

Config checked

Add to .cursor/mcp.json (runs on your computer)

{
  "mcpServers": {
    "mcp-domain-deliverability-checker": {
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-domain-deliverability-checker@1.2.0"
      ],
      "env": {
        "APIFY_TOKEN": "YOUR_APIFY_TOKEN"
      }
    }
  }
}

Needs APIFY_TOKEN: replace each YOUR_ value with your own.

Version 1.2.0 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Cursor's config docs

VS Code

Config checked

Add to .vscode/mcp.json (runs on your computer)

{
  "inputs": [
    {
      "type": "promptString",
      "id": "apify-token",
      "description": "Apify API token from https://console.apify.com/account/integrations",
      "password": true
    }
  ],
  "servers": {
    "mcp-domain-deliverability-checker": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mambalabsdev/mcp-domain-deliverability-checker@1.2.0"
      ],
      "env": {
        "APIFY_TOKEN": "${input:apify-token}"
      }
    }
  }
}

Needs APIFY_TOKEN: replace each YOUR_ value with your own.

Version 1.2.0 · From the Official MCP registry, read 24 Oct 2026 · Format checked against VS Code's config docs

Codex

Config checked

Add to ~/.codex/config.toml (runs on your computer)

[mcp_servers.mcp-domain-deliverability-checker]
command = "npx"
args = ["-y", "@mambalabsdev/mcp-domain-deliverability-checker@1.2.0"]
env_vars = ["APIFY_TOKEN"]

Needs APIFY_TOKEN: replace each YOUR_ value with your own.

Version 1.2.0 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Codex's config docs

ChatGPT: ChatGPT connects only to remote servers that need no API key.

Recipes come from the server's entry in the official MCP registry. Check the package name before you run it, and keep keys out of shared files.

Works with

What mambalabsdev/mcp-domain-deliverability-checker connects to

5 clients, each with how we know and when we checked.

Works with	Type	How we know	Checked
Claude Code	Client	Install recipe matches the client's documented formatRuns locally, version 1.2.0Config checked	24 Oct 2026Claude Code docs
Claude Desktop	Client	Install recipe matches the client's documented formatRuns locally, version 1.2.0Config checked	24 Oct 2026Claude Desktop docs
Cursor	Client	Install recipe matches the client's documented formatRuns locally, version 1.2.0Config checked	24 Oct 2026Cursor docs
VS Code	Client	Install recipe matches the client's documented formatRuns locally, version 1.2.0Config checked	24 Oct 2026VS Code docs
Codex	Client	Install recipe matches the client's documented formatRuns locally, version 1.2.0Config checked	24 Oct 2026Codex docs

Sources

Where this comes from

No sources recorded yet. Each source we check is listed here with the date we checked it.

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

Pairs with

Other entries in the index that connect to this one. Click through to see the chain.

Built with1 entry

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