This article provides a complete, practical walkthrough of the Filter Slack Send 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:
   Automate Daily Notion Task Reminders to Slack with n8n
   
   Meta Description:
   Learn how to automatically send weekday morning Slack reminders for incomplete tasks from Notion using n8n. Boost productivity with timely task updates for your team.
   
   Keywords:
   n8n workflow, Notion task automation, Slack reminders, Slack and Notion integration, automate task reminders, productivity automation, n8n tutorial, workflow automation
   
   Third-Party APIs Used:
   
   - Notion API
   - Slack API
   
   —
   
   Article:
   
   Automate Daily Notion Task Reminders to Slack with n8n
   
   Staying on top of tasks can be challenging, especially when collaborating across platforms like Notion and Slack. What if your team could automatically receive personalized Slack reminders of incomplete tasks every weekday morning? Thanks to n8n—the powerful open-source workflow automation tool—you can do just that.
   
   In this guide, we'll walk through a robust n8n workflow that fetches tasks from a Notion database, filters out completed ones, and sends direct Slack messages to the assigned users. Whether you're a project manager or a workflow automation enthusiast, this setup gives you the power to streamline task accountability without lifting a finger each morning.
   
   Overview: What This Workflow Does
   
   Let’s start with the functionality at a glance. This n8n workflow:
   
   1. Triggers every weekday at 9:00 AM.
   2. Connects to a Notion database and retrieves all tasks.
   3. Filters out tasks marked as “Done.”
   4. Compares task assignees to corresponding Slack users.
   5. Sends Slack direct messages with task details to the appropriate users.
   
   Everything happens automatically—all you need to do is set it up once.
   
   Setting Up the Automation
   
   1. Schedule the Workflow
   At the core of this workflow is the Cron node configured to trigger on weekdays (Monday through Friday) at 9:00 AM. This timing ensures users get a fresh reminder as they start their workday.
   
   2. Fetch Incomplete Tasks from Notion
   Using the Notion API, the workflow retrieves all items from a specified task database. It then filters the tasks using a simple condition: only tasks where the “Status” is not “Done” continue down the pipeline.
   
   3. Define Users
   Before matching Slack users to their Notion tasks, the workflow stores user data in dedicated Set nodes:
   
   - Notion user emails: For identifying which user a task belongs to.
   - Slack full names: For matching users in Slack’s user list.
   
   This data mapping is essential for accurate user targeting.
   
   4. Get Slack Users
   With the Slack node, the workflow pulls in all team members from Slack. This step ensures the workflow can correctly identify users by their full names and user IDs.
   
   5. Match Task Assignees with Slack Users
   Next, a Switch node checks each task's assignee (via email) and routes the workflow based on whether the email matches "User 1" or "User 2". You can expand this logic to support more users if needed.
   
   6. Filter Slack Users and Send Messages
   After routing, two separate Filter nodes confirm that the Slack user matches either User 1 or User 2 using their full names. Once identified, Slack’s direct messaging capabilities come into play.
   
   The final step: The workflow sends a direct message in Slack to each user with a simple, customized message listing:
   
   ☑️ [Task Name] (Due: [Date])
   
   The task is formatted with Markdown, allowing for a clean and readable notification delivered directly to the user.
   
   How to Customize This Workflow
   
   This workflow is highly versatile. Here’s how you can make it your own:
   
   - Change the Notion Tasks Database: Simply update the database ID in the Notion node to start pulling tasks from another database.
   - Add More Users: Expand the Switch node to handle additional users by adding post-filter logic.
   - Modify Message Format: Customize the Slack attachments to include task priority, tags, or links to the Notion page.
   - Adjust Schedule: Need reminders at different times or on different days? Use the Cron node to revise the schedule.
   
   Requirements and Setup
   
   Before using this workflow, ensure the following are in place:
   
   - A connected Notion account with API access and a shared database.
   - A connected Slack account using OAuth2 with necessary permissions.
   - Accurate email and name mapping to match Notion users with Slack profiles.
   - Basic familiarity with n8n’s interface for editing nodes and flows.
   
   Why Use This Workflow
   
   This setup empowers your team by delivering accountability on autopilot. With nudges sent directly in Slack based on real-time Notion data, users remain focused and aligned without the need for project managers to manually chase updates.
   
   It’s a practical example of a "set-it-and-forget-it" workflow that saves time, reduces friction, and elevates productivity.
   
   Built with the Community in Mind
   
   This workflow was created for the Let’s Automate It Community by Optimus Agency. Whether you’re part of a startup, a consulting team, or a distributed company, this workflow can be your daily productivity companion.
   
   Want More Like This?
   
   🌐 Check out additional templates and tutorials at the Let’s Automate It Community: [onlinethinking.io/community](http://onlinethinking.io/community)
   
   Conclusion
   
   n8n makes it easy to connect your favorite productivity tools and create intelligent automation that supports your team's workflow. By bridging Notion and Slack, this automation ensures that every weekday starts on the right foot—with a clear to-do list, delivered right to your Slack inbox.
   
   Ready to level up your task management? Start automating with n8n today.
   
   — End —

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.