This article provides a complete, practical walkthrough of the Splitout Googlecalendar Create Scheduled n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

What This Agent Does

This agent orchestrates a reliable automation between HTTP Request, Webhook, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• HTTP Request
• Webhook

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   **Title:**  
   Automating Slack Event Requests with AI-Powered Calendar Integration in n8n
   
   **Meta Description:**  
   Discover how to automatically create and manage calendar events from Slack messages using n8n, OpenAI, Google Calendar, and Slack APIs. Perfect for teams looking to streamline event scheduling!
   
   **Keywords:**  
   n8n workflow, Slack integration, Google Calendar automation, Slack event bot, OpenAI calendar agent, automate event invitations, LangChain AI, emoji-based Slack automation, Slack reactions event RSVP, AI Google Calendar, SerpAPI integration
   
   ---
   
   ## Automating Event Management from Slack Using n8n and AI
   
   Managing calendar events in a busy team Slack workspace can quickly become a repetitive and manual task. But with n8n’s powerful workflow automation capabilities and the integration of AI tools, turning Slack event messages into fully-formed calendar events has never been easier.
   
   In this article, we'll walk through how a thoughtfully designed n8n workflow uses Slack reactions, AI-powered parsing, and Google Calendar integration to automate your team’s event management process—no copy-paste required.
   
   ### Calendar Events from Slack? There’s an Emoji for That 📅
   
   Everything starts with a simple emoji. This workflow uses a `Schedule Trigger` node in n8n to run every 30 minutes and check Slack for new messages containing the 📅 emoji in a designated channel (like `#n8n-events`).
   
   Once found, the workflow checks to see whether a reply already exists as confirmation that a calendar event has been created—based on thread replies that contain a custom `#event<id>` tag. If no such reply is found, it means an event should be created.
   
   ### Let the AI Handle the Details  
   
   To create detailed calendar events from unstructured Slack messages, the workflow uses a LangChain AI agent powered by OpenAI. This “Calendar Event Booking Agent” performs multiple tasks:
   
   1. Summarizes the message and generates an eye-catching event title.
   2. Extracts start and end dates and times.
   3. Identifies the event type (social, business, or unknown).
   4. Uses SerpAPI to find the physical address of the event location, if mentioned.
   5. Searches Wikipedia for supplementary information, if available.
   
   This multi-step AI automation ensures even vague or informal Slack messages can generate structured calendar entries.
   
   ### Seamlessly Create the Calendar Event
   
   Once all the details are parsed by the AI agent and validated, an event is created in a designated Google Calendar using the `Google Calendar - Create Event` node. A reply message is posted in the Slack thread confirming creation and sharing a calendar link with a unique `#event<id>` identifier for de-duplication.
   
   ### ✅ Emoji Reactions = Attendee RSVP
   
   If the event already exists, the workflow shifts focus to adding attendees. Users reacting to the original Slack message with a ✅ emoji are interpreted as RSVPs.
   
   For each reaction:
   
   - The user’s email is retrieved via the Slack API.
   - The event details are fetched from Google Calendar.
   - If the user isn't already an attendee, they’re added as one.
   
   This ensures only new attendees are added, preventing unnecessary calendar updates or Slack noise.
   
   ### Why This Matters
   
   This low-noise, emoji-powered system simplifies team coordination. Whether it’s a Friday social happy hour or a product strategy session, Slack messages organically become structured calendar events—with AI handling dates, locations, and titles intelligently.
   
   By combining automation, AI, and everyday tools like Slack and Google Calendar, this n8n workflow streamlines scheduling into something magical—efficient, scalable, and low-maintenance.
   
   ---
   
   ## Third-Party APIs Used
   
   This workflow leverages multiple external tools to enhance automation:
   
   - **Slack API (n8n Slack node)** — Fetches channel messages, reactions, and user details.
   - **Google Calendar API (n8n Google Calendar node)** — Creates and updates calendar events with attendee lists.
   - **OpenAI API via LangChain** — LLM-driven text interpretation, natural language understanding, and content structuring.
   - **SerpAPI (via LangChain tool)** — Searches the web for addresses and URLs of mentioned venues or locations.
   - **Wikipedia API (via LangChain tool)** — Fetches relevant contextual knowledge for event enrichment.
   
   ---
   
   n8n + AI = Team Scheduling, Fully Automated 💡  
   If your team lives in Slack and juggles multiple events across departments or geographies, this workflow does the heavy lifting behind the scenes. And with the flexibility of n8n and LangChain integration, it can evolve to your team’s needs.
   
   No more chaos. Just calendar clarity.
   
   Happy Automating! 🚀

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.