Mailcannon
AI-powered email outreach platform — send campaigns with deliverability tracking.
What it can do
What data it sees
Do you need an account
An API key from the service settings is required
AI-powered email outreach platform — send campaigns with deliverability tracking.
How to connect
How to connect Mailcannon to Claude
The server address to paste into Claude settings:
https://www.thinkandautomate.dev/api/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect Mailcannon to ChatGPT
The server address to paste into ChatGPT settings:
https://www.thinkandautomate.dev/api/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect Mailcannon to Cursor
The server address to paste into Cursor settings:
https://www.thinkandautomate.dev/api/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (34)
Raw names from tools/list. Only developers need these.
| 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) |
| list_campaigns | List all campaigns with their steps |
| delete_campaign | Delete a campaign and all its steps |
| update_campaign | Update a campaign's name |
| delete_campaign_step | Delete a step from a campaign |
| update_campaign_step | Update a campaign step's day, subject, or body |
| schedule_campaign | Assign contacts to a campaign and schedule it |
| list_schedules | List all scheduled campaign runs |
| process_campaigns | Process all due campaign schedules (includeFailed: true to retry failed ones) |
| add_provider | Add an email provider |
| list_providers | List all email providers |
| remove_provider | Remove a provider by ID |
| get_deliverability | Get deliverability stats (sent, opens, bounces, replies) |
| create_task | Create a new task |
| list_tasks | List all tasks |
| update_task | Update a task's status, priority, or fields |
| delete_task | Delete a task by ID |
| get_setting | Get a user setting (e.g. timezone) |
| set_setting | Set a user setting (e.g. timezone to 'America/New_York') |
| list_settings | List all user settings |
| send_test_email | Send a test email to yourself to preview formatting |
| check_domain_deliverability | Check SPF, DKIM, DMARC records for a domain |
| check_email_spam_score | Analyze email subject/body for spam trigger words |
| pause_campaign | Pause a campaign — stops processing all active schedules for this campaign |
| resume_campaign | Resume a paused campaign — reactivates all paused schedules |
| retry_failed | Reset all failed schedules to active for retry |
| check_step_spam_score | Check a campaign step's subject and body for spam triggers |