n8n-nodes-commune

n8n community node for Commune — email infrastructure for AI agents.

Give your n8n workflows a real email address: send and receive email, manage inboxes, search conversations, and extract structured data — no code required.

Installation

In your n8n instance, go to Settings → Community Nodes and install:

n8n-nodes-commune

Or install manually:

npm install n8n-nodes-commune

Credentials

1. Sign in to the Commune Dashboard
2. Go to API Keys and click Create API Key
3. In n8n, add a new Commune API credential and paste your key (comm_...)

The credential includes a test button that pings GET /v1/inboxes to verify your key.

Nodes

Commune (Action Node)

Perform operations against the Commune API:

| Resource | Operations | |----------|-----------| | Message | Send, List | | Inbox | Create, List, Get, Update, Delete, Set Webhook, Set Extraction Schema | | Thread | List, Get Messages, Update Status | | Search | Search Threads | | Delivery | Get Metrics |

Commune Trigger

Starts a workflow automatically when an email arrives in an inbox. Registers a webhook on the inbox when the workflow is activated, and removes it when deactivated.

Output fields (Message mode):

| Field | Description | |-------|-------------| | message_id | Unique message ID | | thread_id | Conversation thread ID | | inbox_id | Inbox the email arrived at | | inbox_address | Full inbox email address | | subject | Email subject | | body_text | Plain text body | | body_html | HTML body | | from | Sender email address | | extracted_data | Structured data extracted by your schema | | spam_flagged | Whether the email was flagged as spam | | prompt_injection | Whether prompt injection was detected | | received_at | ISO timestamp | | has_attachments | Whether the email has attachments | | attachment_ids | Array of attachment IDs |

Example Workflows

Customer Support Auto-Triage

Commune Trigger (inbound email)
  → OpenAI (classify intent from extracted_data)
  → If (urgent?)
     → Slack (alert support team)
  → Commune: Message → Send (auto-acknowledge reply)
  → Commune: Thread → Update Status (open)

Sales Lead Qualification

Commune Trigger (inbound email)
  → Commune: Thread → Get Messages (full context)
  → OpenAI (score lead quality)
  → HubSpot (Create/Update Contact)
  → Commune: Message → Send (personalised follow-up)

Inbox Health Monitor

Schedule Trigger (daily 9am)
  → Commune: Delivery → Get Metrics (last 24h)
  → If (bounce_rate > 5%?)
     → Slack (alert deliverability degradation)

Links

• Commune Documentation
• Authentication
• Webhooks
• Structured Extraction
• GitHub