AI Certificates vs Sigil

In-depth architectural comparison of the AI Certificates and Sigil 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?

A

Choose AI Certificates 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 AI Certificates Details

Choose Sigil 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 Sigil Details

Feature & Specification Comparison

Specification	A AI Certificates Developer Tools	Sigil Developer Tools
Summary	Practice questions for the four Claude certifications. The assistant never sees the key.	Local keystore + MCP server. Claude can sign EVM transactions but never sees the private key.
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": {
    "ai-certificates": {
      "url": "https://aicertificates.study/mcp"
    }
  }
}

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

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