Keploy vs Stunt Double

In-depth architectural comparison of the Keploy and Stunt Double 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 Keploy 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 Keploy Details

S

Choose Stunt Double 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 Stunt Double Details

Feature & Specification Comparison

Specification	Keploy Developer Tools	S Stunt Double Developer Tools
Summary	End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.	Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.
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": {
    "keploy": {
      "url": "https://docs.keploy.io/img/keploy-logo-dark.svg?s=200&v=4"
    }
  }
}

{
  "mcpServers": {
    "stunt-double": {
      "command": "npx",
      "args": [
        "-y",
        "stunt-double"
      ]
    }
  }
}

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