Flow Builder

The flow builder is a visual interface that provides an interactive overview of your entire MCP ecosystem. It shows the relationships between AI agents (LLMs), MCP servers, tools, API endpoints, and authentication providers in an intuitive, drag-and-drop environment.

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Visual Elements (Nodes)

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Node Types and Properties

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AI Agent

AI Agent nodes represent the AI assistants that can interact with your MCP server. In order to connect an AI assistant to an MCP server, you need to click on the "Connect" button on the AI Agent node. This will open a modal with a list of available AI Agents.

Supported AI Agents

Desktop Applications:

• Claude Desktop
• Claude Web
• ChatGPT
• Cursor IDE
• VSCode with MCP extensions
• Windsurf
• Cline

Command Line Tools:

• Claude Code CLI
• Gemini CLI

Automation Platforms:

• N8N workflow automation

Follow the instructions in the modal to connect your AI Agent to your MCP server.

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MCP Server

Server nodes display MCP server information and aggregate tools. Every MCP server has a unique URL that is used to connect to the server.

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MCP Tool

Tool nodes represent individual operations that AI agents can perform. They are typically connected to HTTP Request nodes or Auth Provider nodes. You can:

• Create a new MCP Tool node
• Edit the MCP Tool node description and parameters
• Delete the MCP Tool node
• Connect / disconnect the MCP Tool node to an HTTP Request node
• Connect / disconnect Auth Provider node (if the tool requires authentication)

For more information on MCP Tools, see the Tools documentation.

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HTTP Request (API Endpoints)

HTTP Request nodes represent the actual external or internal API services being called. You can:

• Create / Edit / Delete a HTTP Request node
• Map Tool parameters to the HTTP Request
• Transform the HTTP Request response

For more information on HTTP Requests, see the HTTP Requests documentation.

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Auth Provider

Authentication provider nodes show security and credential management. They can be connected to MCP Tool nodes (for tools that require authentication) or MCP Server nodes (for servers that require authentication). You can:

• Create / Edit / Delete a Auth Provider node
• Connect / disconnect the Auth Provider node to an MCP Tool node
• Connect / disconnect the Auth Provider node to an MCP Server node
• Select from a catalog of available Auth Providers

For more information on Authentication for MCP Servers and MCP Tools, see the Authentication documentation.

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Accessing the Flow Builder