Mailbuttons vs TheHarvester Cloud Email & Subdomain Finder
In-depth architectural comparison of the Mailbuttons and TheHarvester Cloud Email & Subdomain Finder MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Mailbuttons
Communication · Local stdio
Quality: 41/100 (Fair) | Auth: No auth required
TheHarvester Cloud Email & Subdomain Finder
Communication · Local stdio
Quality: 28/100 (Emerging) | Auth: No auth required
Verdict Summary: Choose Mailbuttons if you need specialized Communication tools running via a local process. Choose TheHarvester Cloud Email & Subdomain Finder if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Mailbuttons when:
You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Mailbuttons is categorized under Communication and uses a local stdio subprocess. In contrast, TheHarvester Cloud Email & Subdomain Finder belongs to Communication using local stdio subprocess. Select Mailbuttons when you need capabilities focused on communication and TheHarvester Cloud Email & Subdomain Finder when you require tools for communication.