Heym vs Fetch

In-depth architectural comparison of the Heym and Fetch MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Heym when:

• You need dedicated capabilities in the Other Tools and Integrations domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: HEYM_API_KEY, HEYM_DOCKER_HOST, HEYM_LOG_LEVEL.
• Primary tools included: Visual drag-and-drop workflow canvas, Multi-agent orchestration and agent-subagent layouts, RAG pipeline support.

Explore Heym Details

Choose Fetch when:

• You need dedicated capabilities in the Other Tools and Integrations domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Fetches web content over HTTP, Converts web pages for efficient LLM usage, Reference implementation demonstrating MCP SDK usage.

Feature & Specification Comparison

Specification	Heym heymrun Other Tools and Integrations	Fetch VerifiedOther Tools and Integrations
Summary	Source-available, self-hosted AI workflow automation platform. Build multi-agent, RAG, and tool-using pipelines on a visual canvas, then expose any workflow as an MCP server (stdio/SSE/Streamable HTTP), or call external MCP servers from the agent node.	Web content fetching and conversion for efficient LLM usage.
Category & Scope

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "heymrun-heym": {
      "command": "npx",
      "args": [
        "-y",
        "heymrun-heym"
      ],
      "env": {
        "HEYM_API_KEY": "YOUR_HEYM_API_KEY_HERE",
        "HEYM_DOCKER_HOST": "YOUR_HEYM_DOCKER_HOST_HERE",
        "HEYM_LOG_LEVEL": "YOUR_HEYM_LOG_LEVEL_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "fetch": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-memory"
      ]
    }
  }
}

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