Telegram to Slack Repair Threads with Claude Sonnet (n8n Workflow)

Turn Telegram repair updates into organized Slack ticket threads—with Claude Sonnet filtering

This n8n workflow watches a Telegram group for repair-job posts, uses Anthropic Claude (Claude Sonnet) to identify and categorize relevant updates, and automatically posts them to Slack as one threaded ticket per asset. Photos/documents are optionally uploaded to the correct Slack thread, and open/closed status is tracked in an n8n Data Table.

What this workflow does

• Monitors Telegram: Triggers whenever a new message is posted in your Telegram group.
• Claude-based triage: Sends message text (or caption) and sender details to Anthropic Claude to:
  • decide whether the update is job-relevant,
  • extract the asset/unit identifier,
  • classify the event type, and
  • produce a short Slack-ready update line.
• Skips irrelevant messages: Messages Claude marks as not relevant are ignored.
• Threading by asset: Looks up the asset in an n8n Data Table named repair_cases to find an existing open Slack thread.
• Creates or replies: Posts to Slack as a reply in the existing thread if an open ticket exists; otherwise creates a new thread and stores the new thread timestamp (slack_ts) for that unit.
• Uploads attachments: If the Telegram message includes a photo or document, the workflow downloads it from Telegram and uploads it to the corresponding Slack ticket thread.
• Closes on “job done”: When Claude marks an update as “job done,” it updates the case status in the Data Table to closed, so the next issue starts a fresh ticket thread.

Use cases

• Maintenance teams sharing repair updates in Telegram while leadership tracks everything in Slack.
• Operational workflows that require consistent asset-based ticket history and attachment capture.
• SaaS operators coordinating field repair communications across tools without manual copy/paste.

Technical details

• Trigger: Telegram message trigger
• AI step: Anthropic Claude (Claude Sonnet) via n8nn8n-nodes-langchainagent
• Logic & storage: if logic and n8n Data Table (repair_cases with columns unit, slack_ts, status)
• Posting & attachments: Slack node + Slack threaded replies with uploaded files
• Telegram setup: Telegram bot via @BotFather (privacy mode disabled) with bot token as Telegram credentials
• Optional documentation: Sticky Note node for workflow guidance