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When a lead form submits, create or update a CRM contact in ActiveCampaign and append a row to a Notion database for your team to track. One webhook trigger drives both MCP calls in parallel after validation.

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What you’ll build

Outcome: Marketing automation receives the lead immediately; sales sees the same submission in Notion with source and timestamp.

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Prerequisites

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Connectors to install

AdapterPurpose
activecampaignCreate CRM contact and subscribe to list
notionLog submission in team database

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Build the workflow

1

Discover Notion database ID

Run mcp_call → notion_search and copy the database UUID for your leads table.
2

Create workflow

Name it lead-sync-ac-notion in Workflow Studio.
3

Validate input

lua_script requires email; normalize first_name, last_name, source.
4

Create ActiveCampaign contact

mcp_call → activecampaign_create_contact with optional field_values_json for custom fields.
5

Log in Notion

mcp_call → notion_create_database_item in parallel (same depends_on as validate) or after AC — both are valid.
6

Subscribe to list (optional)

Add mcp_call → activecampaign_subscribe_or_unsubscribe_contact_from_list after contact creation.
7

Wire form webhook

Point your landing page form at the inbound webhook URL.

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Validate input

{
  "id": "validate",
  "type": "lua_script",
  "name": "Validate lead",
  "script": "if not input.email or input.email == '' then error('email required') end\nreturn {\n  email = input.email,\n  first_name = input.first_name or '',\n  last_name = input.last_name or '',\n  source = input.source or 'website'\n}",
  "timeout_s": 10
}

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ActiveCampaign contact

{
  "id": "create-contact",
  "type": "mcp_call",
  "name": "Create AC contact",
  "tool_name": "activecampaign_create_contact",
  "tool_args": {
    "email": "{{steps.validate.result.email}}",
    "first_name": "{{steps.validate.result.first_name}}",
    "last_name": "{{steps.validate.result.last_name}}",
    "field_values_json": "[{\"field\":\"1\",\"value\":\"{{steps.validate.result.source}}\"}]"
  },
  "depends_on": ["validate"],
  "timeout_s": 30
}
Replace field 1 with your ActiveCampaign custom field ID for lead source.

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Notion log row

{
  "id": "log-notion",
  "type": "mcp_call",
  "name": "Log lead in Notion",
  "tool_name": "notion_create_database_item",
  "tool_args": {
    "database_id": "your-database-uuid",
    "properties_json": "{\"Name\":{\"title\":[{\"text\":{\"content\":\"{{steps.validate.result.first_name}} {{steps.validate.result.last_name}}\"}}]},\"Email\":{\"email\":\"{{steps.validate.result.email}}\"},\"Source\":{\"select\":{\"name\":\"{{steps.validate.result.source}}\"}},\"Status\":{\"select\":{\"name\":\"New\"}}}"
  },
  "depends_on": ["validate"],
  "timeout_s": 30
}
Use notion_retrieve_database to confirm exact property names and types before publishing.

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Subscribe to nurture list (optional)

{
  "id": "subscribe-list",
  "type": "mcp_call",
  "name": "Add to nurture list",
  "tool_name": "activecampaign_subscribe_or_unsubscribe_contact_from_list",
  "tool_args": {
    "contact_id": "{{steps.create-contact.result.contact.id}}",
    "list_id": "12",
    "subscribe": true
  },
  "depends_on": ["create-contact"],
  "timeout_s": 30
}

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Full workflow graph (copy-paste)

Replace your-database-uuid, ActiveCampaign field ID 1, and list ID 12. Bind activecampaign and notion MCP instances on each mcp_call step. 
{
  "tenant_id": "your-workspace-slug",
  "workflow_id": "550e8400-e29b-41d4-a716-446655440050",
  "params": {},
  "steps": [
    {
      "id": "validate",
      "type": "lua_script",
      "name": "Validate lead",
      "script": "if not input.email or input.email == '' then error('email required') end\nreturn {\n  email = input.email,\n  first_name = input.first_name or '',\n  last_name = input.last_name or '',\n  source = input.source or 'website'\n}",
      "timeout_s": 10
    },
    {
      "id": "create-contact",
      "type": "mcp_call",
      "name": "Create AC contact",
      "tool_name": "activecampaign_create_contact",
      "tool_args": {
        "email": "{{steps.validate.result.email}}",
        "first_name": "{{steps.validate.result.first_name}}",
        "last_name": "{{steps.validate.result.last_name}}",
        "field_values_json": "[{\"field\":\"1\",\"value\":\"{{steps.validate.result.source}}\"}]"
      },
      "depends_on": ["validate"],
      "timeout_s": 30
    },
    {
      "id": "log-notion",
      "type": "mcp_call",
      "name": "Log lead in Notion",
      "tool_name": "notion_create_database_item",
      "tool_args": {
        "database_id": "your-database-uuid",
        "properties_json": "{\"Name\":{\"title\":[{\"text\":{\"content\":\"{{steps.validate.result.first_name}} {{steps.validate.result.last_name}}\"}}]},\"Email\":{\"email\":\"{{steps.validate.result.email}}\"},\"Source\":{\"select\":{\"name\":\"{{steps.validate.result.source}}\"}},\"Status\":{\"select\":{\"name\":\"New\"}}}"
      },
      "depends_on": ["validate"],
      "timeout_s": 30
    },
    {
      "id": "subscribe-list",
      "type": "mcp_call",
      "name": "Add to nurture list",
      "tool_name": "activecampaign_subscribe_or_unsubscribe_contact_from_list",
      "tool_args": {
        "contact_id": "{{steps.create-contact.result.contact.id}}",
        "list_id": "12",
        "subscribe": true
      },
      "depends_on": ["create-contact"],
      "timeout_s": 30
    }
  ]
}
log-notion and create-contact both depend on validate, so they run in parallel after validation.

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Idempotency

Duplicate webhook deliveries may create duplicate Notion rows. Mitigations:
  • Store submission_id in Notion and skip if notion_find_database_item finds a match
  • Use ActiveCampaign’s duplicate handling — update with activecampaign_update_contact when email exists

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Variations

  • Add llm_call to score lead intent → activecampaign_add_tag_to_contact with hot / warm / cold.
  • Notify sales on Slack (when messaging tools ship) or Resend email for hot leads only.
  • Replace Notion with Google Sheets insert_row for a lighter log.