HEYM

by heymrun

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GitHub

About

Self-hosted AI workflow automation platform with visual canvas, agents, RAG, HITL, MCP, and observability in one runtime. Expose your Heym workflows as an MCP server at /api/mcp/sse — callable from Claude Desktop, Cursor, or any MCP client.

Explore

- Visual drag-and-drop workflow canvas with 30+ node types
- AI Assistant: describe workflows in natural language
- LLM & Agent nodes with tool calling and persistent memory
- Multi-agent orchestration (orchestrator + sub-agents)
- Human-in-the-Loop (HITL) checkpoints
- Built-in RAG with QDrant vector stores
- MCP client & server support
- Portal: publish workflows as public chat UIs
- LLM traces, cost tracking, and evals
- Self-hosted — your data, your infrastructure

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

Download and install Highlight from highlightai.com/download
Navigate to the plugins tab and select "Add Custom Plugin"
Configure the plugin with the settings below

Plugin Name HEYM

Command (node, npx, python, etc.)

Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
Enable "Start Automatically" if you want the plugin to start when Highlight launches

Setting up with Cursor

Open Cursor's settings
Navigate to the MCP section
Click "Add new Global MCP server"
Copy and paste the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

Setting up with Claude Desktop

Open Claude Desktop's settings
Go to the Integrations tab
Click "Add MCP Server"
Use the configuration below based on your operating system

Note: Make sure Claude Desktop is running before attempting to connect.

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

Setting up with Windsurf

Open Windsurf's preferences
Go to the Integrations section
Click "Add MCP Integration"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

Setting up with Cline

Open Cline's settings
Navigate to the Integrations section
Click "Add MCP Server"
Copy and paste the configuration below based on your operating system

Note: Make sure to restart Cline after adding the configuration.

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

Setting up with Goose

Open Goose's preferences
Go to the Integrations tab
Select "MCP Servers"
Click "Add New Server"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

JSON

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

From the repository

``bash git clone https://github.com/heymrun/heym.git cd heym cp .env.example .env ./run.sh`Then open the editor athttp://localhost:4017.

Add this to your MCP client configuration:`json { "mcpServers": { "heym": { "url": "http://localhost:4017/api/mcp/sse" } } }``

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "heym": {
            "heym": {
                "url": "http://localhost:4017/api/mcp/sse"
            }
        }
    }
}

McpServers

{
    "heym": {
        "url": "http://localhost:4017/api/mcp/sse"
    }
}

What is Heym?

Heym is a self-hosted, source-available AI workflow automation platform built around LLMs, agents, and intelligent tooling. Wire together AI agents, vector stores, web scrapers, HTTP calls, and message queues on a visual canvas — then deploy instantly via Docker.

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About

Explore

Setting up with Highlight

From the repository

Claude Desktop / Cursor

McpServers

What is Heym?

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