HEYM
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.
Details
- Author
- heymrun
- Downloads
- 518
- Categories
- Developer Tools, Automation, AI, Knowledge Base
Jump to
- Visual drag-and-drop workflow canvas with 30+ node types
- AI Assistant to describe workflows in natural language
- LLM & Agent nodes with tool calling and persistent memory
- Multi-agent orchestration with orchestrator and sub-agents
- Human-in-the-Loop (HITL) checkpoints
- Built-in RAG with QDrant vector stores
- MCP client and server support
- Portal to 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
HEYMCommand (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
From the repository
To start HEYM, clone the repository, copy .env.example to .env, run ./run.sh, and open the editor at http://localhost:4017. For MCP client usage, configure agent nodes to connect to any external MCP server; for MCP server usage, add the URL http://localhost:4017/api/mcp/sse to your MCP client configuration. Workflows are then callable from Claude Desktop, Cursor, or any MCP client.
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.Sign in to leave a review
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