YAML Workflow vs Moira

In-depth architectural comparison of the YAML Workflow and Moira 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 YAML Workflow when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore YAML Workflow Details

Choose Moira when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Moira Details

Feature & Specification Comparison

Specification	YAML Workflow Developer Tools	Moira Developer Tools
Summary	Expose declarative YAML-defined workflows as MCP tools over stdio	Agent Workflow Engine — multi-step MCP workflows with per-step directives and validation.
Category & Scope	Developer Tools	Developer Tools
Quality signal

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": {
    "yaml-workflow": {
      "command": "uvx",
      "args": [
        "yaml-workflow"
      ]
    }
  }
}

{
  "mcpServers": {
    "moira": {
      "url": "https://moira-mcp.com"
    }
  }
}

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