# MX Probe

> MX Probe, an MCP server by mxprobe.dev, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.

- Canonical: https://www.anchorterminal.com/tools/mxprobe
- Markdown: https://www.anchorterminal.com/tools/mxprobe.md (~450 tokens)
- Slim: https://www.anchorterminal.com/tools/mxprobe.min.md (~380 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/tools/mxprobe.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-04

# MX Probe

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by mxprobe.dev (https://mxprobe.dev)
- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)
- Listed because: It's published in the registry under mxprobe.dev, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.

## Facts

- MCP registry: `dev.mxprobe/mxprobe` 0.2.6
- Package: npm `mxprobe` (stdio)
- Source: https://github.com/andrewchmr/mxprobe
- Website: https://mxprobe.dev
- npm downloads a week: 262
- GitHub stars: 2
- Registry entry updated: 2026-09-23

- JSON: https://www.anchorterminal.com/api/v1/tools/mxprobe.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming