Mailcannon MCP server

• add_campaign_stepFree

  Add a sequence step (delay in hours, subject, body)

• add_contactFree

  Add a single contact

• add_contactsFree

  Bulk add contacts (max 100)

• add_providerFree

  Add an email provider

• check_domain_deliverabilityFree

  Check SPF, DKIM, DMARC records for a domain

• check_email_spam_scorewrite actionFree

  Analyze email subject/body for spam trigger words

• check_step_spam_scoreFree

  Check a campaign step's subject and body for spam triggers

• create_campaignwrite actionFree

  Create a new email campaign

• create_taskwrite actionFree

  Create a new task

• delete_campaignwrite actionFree

  Delete a campaign and all its steps

• delete_campaign_stepwrite actionFree

  Delete a step from a campaign

• delete_taskwrite actionFree

  Delete a task by ID

• get_deliverabilityFree

  Get deliverability stats (sent, opens, bounces, replies)

• get_settingFree

  Get a user setting (e.g. timezone)

• list_campaignsFree

  List all campaigns with their steps

• list_contactsFree

  List all contacts

• list_providersFree

  List all email providers

• list_schedulesFree

  List all scheduled campaign runs

• list_settingsFree

  List all user settings

• list_tagsFree

  List all unique tags across your contacts

• list_tasksFree

  List all tasks

• pause_campaignFree

  Pause a campaign — stops processing all active schedules for this campaign

• process_campaignsFree

  Process all due campaign schedules (includeFailed: true to retry failed ones)

• remove_contactwrite actionFree

  Remove a contact by ID

• remove_providerwrite actionFree

  Remove a provider by ID

• resume_campaignFree

  Resume a paused campaign — reactivates all paused schedules

• retry_failedFree

  Reset all failed schedules to active for retry

• schedule_campaignFree

  Assign contacts to a campaign and schedule it

• send_test_emailwrite actionFree

  Send a test email to yourself to preview formatting

• set_settingFree

  Set a user setting (e.g. timezone to 'America/New_York')

• update_campaignwrite actionFree

  Update a campaign's name

• update_campaign_stepwrite actionFree

  Update a campaign step's day, subject, or body

• update_contact_tagswrite actionFree

  Set tags on a contact (replaces all tags)

• update_taskwrite actionFree

  Update a task's status, priority, or fields

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 300ms20/20
• Tool poisoning34 tool descriptions checked15/15
• Auth qualityAPI key sent as a header8/15
• Maintenancelast push 44 days ago12/15
• Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Safety score

84/100

higher than 75% of 876 Sales and outbound servers

Tools

34

the typical Sales and outbound server has 8

Tools that change things

38%

typical: 11%. Fewer write tools means less an agent can break

Uptime

100%

of our recent checks; the typical remote Sales and outbound server answers 100%

Response time

480 ms

faster than 32% of 671 Sales and outbound servers

Mailcannon: common questions

Is Mailcannon MCP server safe?

Mostly: it is graded B (84/100). Read the Mailcannon safety report

How do I install Mailcannon?

It runs remotely at www.thinkandautomate.dev. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.

Does Mailcannon need an API key?

Yes. The registry entry asks for Authorization.

Is Mailcannon maintained?

The last commit was 84 days ago (2026-08-12). The latest release is v0.1.0.

Is Mailcannon up?

100% of our last 28 checks got an answer. We check remote servers about four times a day.

What can I use instead of Mailcannon?

Servers from other publishers that do the same job: Omentir MCP server, JobGPT - Job Search Automation & Auto Apply MCP server and PumpGTM MCP server.

How does Mailcannon compare with other Sales and outbound MCP servers?

safety score 84/100 (higher than 75% of 876 Sales and outbound servers); tools 34 (the typical Sales and outbound server has 8); tools that change things 38% (typical: 11%. Fewer write tools means less an agent can break). Full comparison.