Skip to main content

​
Overview

FlowiseAI is a visual workflow builder for AI agents with native MCP support.

​
Prerequisites

​
Setup

1

Get your MCP URL from the dashboard

  1. Go to Connectors in the left nav and open the connector you want to use
  2. Click Use in Agent in the top right
  3. On the Use tab, click MCP Server under “Use with Agent Client”
  4. Select a linked account from the dropdown
  5. Choose HTTPS MCP as the client
  6. Copy the generated URL — it looks like:
The token encodes your account identity. No separate API key or account ID header is needed.
The token expires after one year. Regenerate it at any time using the refresh button in the MCP tile.
2

Add MCP Server to Flowise

Navigate to your Flowise instance and open the chatflow where you want to add StackOne tools.
  1. In the left sidebar, find “Custom MCP” in the “Tools” section
  2. Drag the Custom MCP component onto your canvas and connect it to your agent
  3. In the MCP Server Config, add:
Replace <session_token> with the token from the previous step.
3

Configure available tools

Once connected, Flowise discovers all available StackOne tools for the account. Use the tool filter to search by provider or action type and enable only what your workflow needs.

​
Advanced: manual API key setup

If you prefer to authenticate with your API key and account ID directly:
To generate the base64 token:
See Authentication & Security for details.

​
Limitations

  • Transport: StackOne only supports HTTP transport (no STDIO or SSE)
  • Tool Discovery: Tools are determined by the enabled actions for the integration configuration associated with the linked account

​
Handling large tool catalogs

If the connector exposes many actions, add the tool-mode=search_execute query parameter to the MCP URL in your config. The client then registers just two tools — search + execute — and the agent discovers actions at runtime, so the context footprint stays flat however large the catalog:
For a token URL, append it as an extra parameter: https://api.stackone.com/mcp?token=<session_token>&tool-mode=search_execute. See Tool Discovery for how search works, its accuracy, and the other modes.

​
Optimize and secure

With your agent connected, use StackOne’s platform features to optimize performance and secure every call.

Search & Execute

Reduce context and save tokens.

Data Sync

Reduce latency and enable semantic search.

Defender

Block prompt injections before they reach your agent.