The Mailcannon MCP server,
connected in one click.
AI-powered email outreach platform — send campaigns with deliverability tracking. Connect the official Mailcannon MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
What your AI can do with Mailcannon
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “add_contact”: Add a single contact.”
“Use “add_contacts”: Bulk add contacts (max 100).”
“Use “list_contacts”: List all contacts.”
“Use “remove_contact”: Remove a contact by ID.”
How secure is the Mailcannon MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Mailcannon holds up.
Official endpoint
Operated by Mailcannon (thinkandautomate.dev) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Mailcannon adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Mailcannon
Choose Mailcannon in the gate directory. No sign-in needed.
Use it anywhere
Mailcannon's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Mailcannon exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
add_contact — Add a single contact
add_contacts — Bulk add contacts (max 100)
list_contacts — List all contacts
remove_contact — Remove a contact by ID
update_contact_tags — Set tags on a contact (replaces all tags)
list_tags — List all unique tags across your contacts
create_campaign — Create a new email campaign
add_campaign_step — Add a sequence step (delay in hours, subject, body)
+ 26 more tools once connected
The Mailcannon MCP server at a glance
https://www.thinkandautomate.dev/api/mcpQuestions, answered
Is there an official Mailcannon MCP server?
Yes — Mailcannon operates its own remote MCP server at www.thinkandautomate.dev. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Mailcannon to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Mailcannon in the directory. No account or sign-in is needed. From then on, Mailcannon's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Mailcannon runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Mailcannon MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Mailcannon in minutes. No credit card required.
Connect more than just Mailcannon
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Mailcannon in: Claude · Claude Code · ChatGPT · Cursor · VS Code