CampaignKit
FreeNot checkedValidates email addresses with comprehensive checks for format, deliverability, disposable domains, and catch-all addresses
About
Validates email addresses with comprehensive checks for format, deliverability, disposable domains, and catch-all addresses
Installing CampaignKit
This server has no published package — it is built from source. Open the repository and follow its README.
FAQ
Is CampaignKit MCP free?
Yes, CampaignKit MCP is free — one-click install via Unyly at no cost.
Does CampaignKit need an API key?
No, CampaignKit runs without API keys or environment variables.
Is CampaignKit hosted or self-hosted?
Self-hosted: the server runs locally on your machine via the install command above.
How do I install CampaignKit in Claude Desktop, Claude Code or Cursor?
Open CampaignKit on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
Related MCPs
Gmail
Read, send and search emails from Claude
by GoogleSlack
Send, search and summarize Slack messages
by SlackRunbear
No-code MCP client for team chat platforms, such as Slack, Microsoft Teams, and Discord.
Discord Server
A community discord server dedicated to MCP by [Frank Fiegel](https://github.com/punkpeye)
Compare CampaignKit with
Not sure what to pick?
Find your stack in 60 seconds
Author?
Embed badge for your README
Browse similar
All communication MCPs
