MCP Server
Mailcannon
io.github.AinaLuc/mailcannon
What this MCP does
Creates and operates email outreach campaigns with contact management, sequencing, scheduling, provider configuration, spam checks, domain deliverability checks, and engagement metrics.
Capabilities
Tools
34
tools
add_campaign_step
Add a sequence step (delay in hours, subject, body)
Input schema
{'type': 'object', 'required': ['campaignId', 'day', 'subject', 'body'], 'properties': {'day': {'type': 'number', 'description': 'Delay in hours'}, 'body': {'type': 'string'}, 'subject': {'type': 'string'}, 'campaignId': {'type': 'string'}}}
add_contact
Add a single contact
Input schema
{'type': 'object', 'required': ['email', 'firstName'], 'properties': {'tags': {'type': 'array', 'items': {'type': 'string'}}, 'email': {'type': 'string'}, 'title': {'type': 'string'}, 'company': {'type': 'string'}, 'lastName': {'type': 'string'}, 'firstName': {'type': 'string'}}}
add_contacts
Bulk add contacts (max 100)
Input schema
{'type': 'object', 'required': ['contacts'], 'properties': {'contacts': {'type': 'array', 'items': {'type': 'object', 'required': ['email', 'firstName'], 'properties': {'tags': {'type': 'array', 'items': {'type': 'string'}}, 'email': {'type': 'string'}, 'title': {'type': 'string'}, 'company': {'type': 'string'}, 'lastName': {'type': 'string'}, 'firstName': {'type': 'string'}}}}}}
add_provider
Add an email provider
Input schema
{'type': 'object', 'required': ['name', 'kind'], 'properties': {'env': {'type': 'object', 'additionalProperties': {'type': 'string'}}, 'url': {'type': 'string'}, 'args': {'type': 'array', 'items': {'type': 'string'}}, 'kind': {'enum': ['gmail', 'zoho'], 'type': 'string'}, 'name': {'type': 'string'}, 'command': {'type': 'string'}, 'transport': {'enum': ['stdio', 'sse'], 'type': 'string'}}}
check_domain_deliverability
Check SPF, DKIM, DMARC records for a domain
Input schema
{'type': 'object', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'description': 'Domain to check (e.g. thinkandautomate.dev)'}}}
check_email_spam_score
Analyze email subject/body for spam trigger words
Input schema
{'type': 'object', 'required': ['subject', 'body'], 'properties': {'body': {'type': 'string'}, 'subject': {'type': 'string'}}}
check_step_spam_score
Check a campaign step's subject and body for spam triggers
Input schema
{'type': 'object', 'required': ['stepId'], 'properties': {'stepId': {'type': 'string'}}}
create_campaign
Create a new email campaign
Input schema
{'type': 'object', 'required': ['name'], 'properties': {'name': {'type': 'string'}}}
create_task
Create a new task
Input schema
{'type': 'object', 'required': ['title'], 'properties': {'title': {'type': 'string'}, 'dueDate': {'type': 'string', 'description': 'ISO date (optional)'}, 'priority': {'enum': ['high', 'medium', 'low'], 'type': 'string'}, 'description': {'type': 'string'}}}
delete_campaign
Delete a campaign and all its steps
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}}
delete_campaign_step
Delete a step from a campaign
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}}
delete_task
Delete a task by ID
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}}
get_deliverability
Get deliverability stats (sent, opens, bounces, replies)
Input schema
{'type': 'object', 'properties': {}}
get_setting
Get a user setting (e.g. timezone)
Input schema
{'type': 'object', 'required': ['key'], 'properties': {'key': {'type': 'string'}}}
list_campaigns
List all campaigns with their steps
Input schema
{'type': 'object', 'properties': {}}
list_contacts
List all contacts
Input schema
{'type': 'object', 'properties': {}}
list_providers
List all email providers
Input schema
{'type': 'object', 'properties': {}}
list_schedules
List all scheduled campaign runs
Input schema
{'type': 'object', 'properties': {}}
list_settings
List all user settings
Input schema
{'type': 'object', 'properties': {}}
list_tags
List all unique tags across your contacts
Input schema
{'type': 'object', 'properties': {}}
list_tasks
List all tasks
Input schema
{'type': 'object', 'properties': {}}
pause_campaign
Pause a campaign — stops processing all active schedules for this campaign
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}}
process_campaigns
Process all due campaign schedules (includeFailed: true to retry failed ones)
Input schema
{'type': 'object', 'properties': {'includeFailed': {'type': 'boolean', 'description': 'Also retry failed schedules'}}}
remove_contact
Remove a contact by ID
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}}
remove_provider
Remove a provider by ID
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}}
resume_campaign
Resume a paused campaign — reactivates all paused schedules
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}}
retry_failed
Reset all failed schedules to active for retry
Input schema
{'type': 'object', 'properties': {}}
schedule_campaign
Assign contacts to a campaign and schedule it
Input schema
{'type': 'object', 'required': ['campaignId'], 'properties': {'tags': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Filter contacts by tag (overrides contactIds)'}, 'startAt': {'type': 'string', 'description': 'ISO date (optional)'}, 'campaignId': {'type': 'string'}, 'contactIds': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Contact IDs (ignored if tags provided)'}, 'providerId': {'type': 'string', 'description': 'Provider ID (optional)'}}}
send_test_email
Send a test email to yourself to preview formatting
Input schema
{'type': 'object', 'required': ['subject', 'body'], 'properties': {'body': {'type': 'string'}, 'subject': {'type': 'string'}, 'providerId': {'type': 'string', 'description': 'Provider ID (optional, uses first available)'}}}
set_setting
Set a user setting (e.g. timezone to 'America/New_York')
Input schema
{'type': 'object', 'required': ['key', 'value'], 'properties': {'key': {'type': 'string'}, 'value': {'type': 'string'}}}
update_campaign
Update a campaign's name
Input schema
{'type': 'object', 'required': ['id', 'name'], 'properties': {'id': {'type': 'string'}, 'name': {'type': 'string'}}}
update_campaign_step
Update a campaign step's day, subject, or body
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}, 'day': {'type': 'number', 'description': 'Delay in hours'}, 'body': {'type': 'string'}, 'subject': {'type': 'string'}}}
update_contact_tags
Set tags on a contact (replaces all tags)
Input schema
{'type': 'object', 'required': ['id', 'tags'], 'properties': {'id': {'type': 'string'}, 'tags': {'type': 'array', 'items': {'type': 'string'}}}}
update_task
Update a task's status, priority, or fields
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}, 'title': {'type': 'string'}, 'status': {'enum': ['pending', 'in_progress', 'completed', 'cancelled'], 'type': 'string'}, 'dueDate': {'type': 'string'}, 'priority': {'enum': ['high', 'medium', 'low'], 'type': 'string'}, 'description': {'type': 'string'}}}
History
Recent tool changes
Added
check_step_spam_score
Sept. 17, 2026, 12:40 p.m.
Added
retry_failed
Sept. 17, 2026, 12:40 p.m.
Added
resume_campaign
Sept. 17, 2026, 12:40 p.m.
Added
pause_campaign
Sept. 17, 2026, 12:40 p.m.
Added
check_email_spam_score
Sept. 17, 2026, 12:40 p.m.
Added
check_domain_deliverability
Sept. 17, 2026, 12:40 p.m.
Added
send_test_email
Sept. 17, 2026, 12:40 p.m.
Added
list_settings
Sept. 17, 2026, 12:40 p.m.
Added
set_setting
Sept. 17, 2026, 12:40 p.m.
Added
get_setting
Sept. 17, 2026, 12:40 p.m.
Added
delete_task
Sept. 17, 2026, 12:40 p.m.
Added
update_task
Sept. 17, 2026, 12:40 p.m.
Added
list_tasks
Sept. 17, 2026, 12:40 p.m.
Added
create_task
Sept. 17, 2026, 12:40 p.m.
Added
get_deliverability
Sept. 17, 2026, 12:40 p.m.
Added
remove_provider
Sept. 17, 2026, 12:40 p.m.
Added
list_providers
Sept. 17, 2026, 12:40 p.m.
Added
add_provider
Sept. 17, 2026, 12:40 p.m.
Added
process_campaigns
Sept. 17, 2026, 12:40 p.m.
Added
list_schedules
Sept. 17, 2026, 12:40 p.m.
Added
schedule_campaign
Sept. 17, 2026, 12:40 p.m.
Added
update_campaign_step
Sept. 17, 2026, 12:40 p.m.
Added
delete_campaign_step
Sept. 17, 2026, 12:40 p.m.
Added
update_campaign
Sept. 17, 2026, 12:40 p.m.
Added
delete_campaign
Sept. 17, 2026, 12:40 p.m.
Added
list_campaigns
Sept. 17, 2026, 12:40 p.m.
Added
add_campaign_step
Sept. 17, 2026, 12:40 p.m.
Added
create_campaign
Sept. 17, 2026, 12:40 p.m.
Added
list_tags
Sept. 17, 2026, 12:40 p.m.
Added
update_contact_tags
Sept. 17, 2026, 12:40 p.m.
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