Classify and route DevOps support messages with Slack and GPT-5.5

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1. Workflow Overview

Overview Receives messages to technical support and classifies them. Requirements 1. OpenRouter/OpenAI/Anthropic API key 1. Google Gemini API key — for embeddings (models/gemini embedding 2 preview...

Best for

Ticket Management automation workflows
AI Summarization automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.code, n8n-nodes-base.switch, n8n-nodes-base.stickynote, @n8n/n8n-nodes-langchain.lmchatopenai, n8n-nodes-base.webhook, n8n-nodes-base.if, n8n-nodes-base.respondtowebhook, @n8n/n8n-nodes-langchain.agent

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Sergei Byvshev.

Original n8n.io source

1.1 Workflow description

Title: Classify and route DevOps support messages with Slack and GPT-5.5
Workflow name: Classify and route DevOps support messages with Slack and GPT-5.5

Overview

Receives messages to technical support and classifies them.

Requirements

OpenRouter/OpenAI/Anthropic API key
Google Gemini API key — for embeddings (models/gemini-embedding-2-preview) used with Qdrant
Slack bot — configured on the Slack side, sends POST to the Webhook node; the token from the webhook is compared against CHAT_TOKEN
Mattermost MCP
Qdrant
Google Calendar OAuth credentials
Webhook token — a static CHAT_TOKEN value in the SetVars node, must match the Token configured in the Mattermost outgoing webhook

How it works

Message reception. Slack sends a POST with fields token, text, post_id, channel_id, user_name, file_ids, etc. to the Webhook when @devops-duty is mentioned in a subscribed channel. The message is validated using the token and the required fields are extracted.
Classification via AI Agent. The agent analyzes the request and determines which category to assign it to.
Parsing the agent's response.
Resolving user name by id.
Routing by category. Switch dispatches the payload across 7 branches (modify_infrastructure, incident, question, ci_cd_error, new_system, announcement, other) — all branches are intentionally empty in the template, so users can plug in their own sub-workflows.

How to use

Import the workflow into n8n, verify compatibility with v2.18.2.
Connect credentials:

OpenRouter/OpenAI/Anthropicr (Chat Model)
Google Gemini (Embeddings)
Google Calendar OAuth (GetDutyEvent)
Qdrant API (Vector Store) — set your own URL and API key

Replace the Slack MCP URL i
Create a Qdrant collection
Generate a webhook token
Configure the Slack bot to send messageto outgoing webhook
Optionally configure an Error Workflow

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Parse AI Response

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 2 - Switch

Type / Role: n8n-nodes-base.switch - switch
Config choices: Version 3.4

Block 3 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 4 - OpenAI Chat Model

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1.3

Block 5 - GetSlackMessage

Type / Role: n8n-nodes-base.webhook - webhook
Config choices: Version 2.1

Block 6 - Router

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 7 - If

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.3

Block 8 - Respond to Webhook

Type / Role: n8n-nodes-base.respondToWebhook - respondToWebhook
Config choices: Version 1.5

Block 9 - Respond to Webhook1

Type / Role: n8n-nodes-base.respondToWebhook - respondToWebhook
Config choices: Version 1.5

Block 10 - AI Agent

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 3.1

Block 11 - Slack

Type / Role: @n8n/n8n-nodes-langchain.mcpClientTool - mcpClientTool
Config choices: Version 1.2

Block 12 - GetUserName

Type / Role: n8n-nodes-base.slack - slack
Config choices: Version 2.4

Block 13 - AddUserName

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 14 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 15 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 16 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 17 - Sticky Note4

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 18 - Qdrant Vector Store

Type / Role: @n8n/n8n-nodes-langchain.vectorStoreQdrant - vectorStoreQdrant
Config choices: Version 1.3

Block 19 - Embeddings Google Gemini

Type / Role: @n8n/n8n-nodes-langchain.embeddingsGoogleGemini - embeddingsGoogleGemini
Config choices: Version 1

Block 20 - SetVars

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

3. Summary Table

Workflow	Classify and route DevOps support messages with Slack and GPT-5.5
Complexity	advanced
Nodes	20
Categories	Ticket Management, AI Summarization
Author	Sergei Byvshev
Published	19 May 2026

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/15827/15827.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Ticket Management workflows AI Summarization workflows

Frequently asked questions

What does Classify and route DevOps support messages with Slack and GPT-5.5 do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Ticket Management, AI Summarization use case.

Sergei Byvshev

11 workflows

Nodes

n8n-nodes-base.code n8n-nodes-base.switch n8n-nodes-base.stickynote @n8n/n8n-nodes-langchain.lmchatopenai n8n-nodes-base.webhook n8n-nodes-base.if n8n-nodes-base.respondtowebhook @n8n/n8n-nodes-langchain.agent

Complexity

advanced

Published 19 May 2026

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/15827/15827.json

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Classify and route DevOps support messages with Slack and GPT-5.5

Workflow preview

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Overview

Requirements

How it works

How to use

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Parse AI Response

Block 2 - Switch

Block 3 - Sticky Note

Block 4 - OpenAI Chat Model

Block 5 - GetSlackMessage

Block 6 - Router

Block 7 - If

Block 8 - Respond to Webhook

Block 9 - Respond to Webhook1

Block 10 - AI Agent

Block 11 - Slack

Block 12 - GetUserName

Block 13 - AddUserName

Block 14 - Sticky Note1

Block 15 - Sticky Note2

Block 16 - Sticky Note3

Block 17 - Sticky Note4

Block 18 - Qdrant Vector Store

Block 19 - Embeddings Google Gemini

Block 20 - SetVars

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions