INDIVIDUAL MCP TOOL
check_list
List check for a mailing list: up to 1,000 different addresses a call, as emails or the text of a CSV (the column headed email).
LIVE ENDPOINT
https://email59.com/v1/mcp
Connect to this endpoint to inspect the live schema for check_list and invoke it with your own arguments.
Indexed input schema
{}Risk classification
Potential side effects detected · medium confidence · heuristic, not a guarantee.
- A tool name or description suggests sending messages.
Parent server
CONNECT WITH APPROVAL
Client installation
Review this server and its permissions before adding it. Secret placeholders must be set locally.
Codex
~/.codex/config.toml
[mcp_servers.email59]
url = "https://email59.com/v1/mcp"
enabled = true
Claude Code
.mcp.json
{
"mcpServers": {
"email59": {
"type": "http",
"url": "https://email59.com/v1/mcp"
}
}
}
Claude Desktop
Settings → Connectors → Add custom connector
Name: email59
Remote MCP URL: https://email59.com/v1/mcp
Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.
Cursor
.cursor/mcp.json
{
"mcpServers": {
"email59": {
"url": "https://email59.com/v1/mcp"
}
}
}
Visual Studio Code
.vscode/mcp.json
Add to Visual Studio Code{
"servers": {
"email59": {
"type": "http",
"url": "https://email59.com/v1/mcp"
}
}
}
Generic MCP
Client-specific MCP configuration
{
"name": "email59",
"transport": "streamable-http",
"url": "https://email59.com/v1/mcp"
}
MCP Inspector
Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.
Related tools
auth— Sign up or sign in to email59.get_pricing— Free daily emails (renewed every day), email credits per dollar, and the packs on sale.get_account— The signed-in account: email, daily_limit, sent_today, remaining_today, credits_remaining, resets_at.update_account— Set the name, company or brand (the look of every email the account sends) on the account.send_email— Send one email to one recipient: transactional (receipt, code, alert) or marketing (category).send_campaign— Send a marketing email to up to 1,000 recipients; the unsubscribe link is added for you.check_email— Free deep check of an email address, no sign-in needed: format, provider username rules, disposable and role addresses, and the domain's MX, SPF, DMARC, DKIM, MTA-STS, TLS-RPT and BIMI records.validate_email— Check an address before sending.