LeClap vs Openfang Rail

In-depth architectural comparison of the LeClap and Openfang Rail 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 LeClap 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 LeClap Details

O

Choose Openfang Rail 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 Openfang Rail Details

Feature & Specification Comparison

Specification	LeClap Developer Tools	O Openfang Rail Developer Tools
Summary	Compose and render video from one JSON template. Deterministic, runs locally, no generative model.	Deterministic banking, LEI, VAT, SWIFT & compliance checks via MCP with signed XDR-1 receipts.
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": {
    "leclap": {
      "command": "npx",
      "args": [
        "-y",
        "@leclap/cli"
      ]
    }
  }
}

{
  "mcpServers": {
    "openfang-rail-2": {
      "command": "npx",
      "args": [
        "-y",
        "openfang-rail-2"
      ]
    }
  }
}

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