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Query your Trello board using natural language with OpenAI GPT

Robert BreenRobert Breen
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2/3/2026
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💬 Chat with Your Trello Board (n8n + OpenAI)

📖 Description

Turn your Trello board into a conversational assistant. This workflow pulls your board → lists → cards, aggregates the context, and lets you ask natural-language questions (“what’s overdue?”, “summarize In Progress”, “what changed this week?”). OpenAI reasons over the live board data and replies with concise answers or summaries. Great for standups, planning, and quick status checks—without opening Trello.

> Setup steps are already embedded in the workflow (Trello API + OpenAI + board URL). Just follow the sticky notes inside the canvas.

🧪 Example prompts

  • “Give me a one-paragraph summary of the board.”
  • “List all cards due this week with their lists.”
  • “What’s blocking items in ‘In Progress’?”
  • “Show new cards added in the last 2 days.”

⚙️ Setup Instructions

1️⃣ Connect Trello (Developer API)

  1. Get your API key: https://trello.com/app-key
  2. Generate a token (from the same page → Token)
  3. In n8n → Credentials → New → Trello API, paste API Key and Token, save.
  4. Open each Trello node (Get Board, Get Lists, Get Cards) and select your Trello credential.

2️⃣ Set Up OpenAI Connection

  1. Go to OpenAI Platform
  2. Navigate to OpenAI Billing
  3. Add funds to your billing account
  4. Copy your API key into the OpenAI credentials in n8n

3️⃣ Add Your Board URL to “Get Board”

  1. Copy your Trello board URL (e.g., https://trello.com/b/DCpuJbnd/administrative-tasks).
  2. Open the Get Board node → Resource: Board, Operation: Get.
  3. In ID, choose URL mode and paste the board URL.
    • The node will resolve the board and output its id → used by Get Lists / Get Cards.

📬 Contact

Need help customizing this or adding Slack/Email outputs?

Query Your Trello Board Using Natural Language with OpenAI GPT

This n8n workflow allows you to interact with your Trello board using natural language queries, powered by OpenAI's GPT models. It simplifies the process of retrieving information from your Trello boards by translating your natural language requests into actionable queries.

What it does

This workflow acts as a natural language interface for your Trello boards:

  1. Listens for Chat Messages: It starts by listening for incoming chat messages, which will contain your natural language query about your Trello board.
  2. Processes with AI Agent: The received chat message is then fed into an AI Agent (LangChain Agent) that leverages an OpenAI Chat Model and a simple memory buffer.
  3. Interprets and Acts: The AI Agent interprets your natural language query and interacts with your Trello board using the Trello node.
  4. Aggregates Results: It aggregates the information retrieved from Trello.
  5. Merges and Formats: The retrieved Trello data is merged and formatted for a coherent response.
  6. Edits Fields: The final output fields are edited to present the information clearly.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running instance of n8n.
  • OpenAI API Key: An API key for OpenAI to use the GPT chat models.
  • Trello Account: A Trello account and credentials configured in n8n.

Setup/Usage

  1. Import the workflow: Download the provided JSON and import it into your n8n instance.
  2. Configure Credentials:
    • OpenAI Chat Model: Configure your OpenAI API key credential for the "OpenAI Chat Model" node.
    • Trello: Configure your Trello API Key and Token credential for the "Trello" node.
  3. Activate the workflow: Once the credentials are set, activate the workflow.
  4. Send a chat message: Use a chat application integrated with the "When chat message received" trigger (e.g., n8n's built-in chat UI or a connected chat service) to send your natural language queries about your Trello board.

Example Queries:

  • "What are the cards in my 'To Do' list?"
  • "Show me all cards assigned to John Doe."
  • "How many cards are in the 'Done' list?"

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