Heu MCP vs SignSimple

In-depth architectural comparison of the Heu MCP and SignSimple 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 Heu MCP when:

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

Explore Heu MCP Details

S

Choose SignSimple when:

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

Explore SignSimple Details

Feature & Specification Comparison

Specification	Heu MCP Legal	S SignSimple Legal
Summary	HEU Legal e-signature MCP: manage HEU documents and PDFs, prompt signers, download PDFs.	Send PDFs for legally binding e-signature, free and unlimited. Track status; free legal templates.
Category & Scope	Legal	Legal
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": {
    "heu-mcp": {
      "command": "uvx",
      "args": [
        "heu-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "signsimple": {
      "url": "https://signsimple.app/developers"
    }
  }
}

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