MailFerret
Find and verify work emails with live SMTP checks and catch-all detection. Free 10 calls/day.
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
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": {
"mailferret": {
"url": "https://mailferret.appin60.com/mcp"
}
}
}Remote endpoints
https://mailferret.appin60.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (3)
🟢find_work_email(first_name, last_name, domain)
Find a person's verified work email from first name, last name and company domain (live SMTP check, catch-all detection).
Input Schema
{
"type": "object",
"properties": {
"first_name": {
"type": "string"
},
"last_name": {
"type": "string"
},
"domain": {
"type": "string"
}
},
"required": [
"first_name",
"domain"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢verify_email(email)
Check whether an email address is deliverable (MX, provider, catch-all, live SMTP RCPT).
Input Schema
{
"type": "object",
"properties": {
"email": {
"type": "string"
}
},
"required": [
"email"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}⚪domain_email_intel(domain)
A company's email setup: provider, catch-all, SaaS tools from SPF, DMARC, public emails, likely pattern.
Input Schema
{
"type": "object",
"properties": {
"domain": {
"type": "string"
}
},
"required": [
"domain"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}Community
Evidence