Archstone vs Irrational

In-depth architectural comparison of the Archstone and Irrational 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 Archstone 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 Archstone Details

I

Choose Irrational 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 Irrational Details

Feature & Specification Comparison

Specification	Archstone Developer Tools	I Irrational Developer Tools
Summary	Compile your own business capabilities from declarative YAML and serve them as MCP tools.	Adversarial behavioural-bias engine — audits your decisions for cognitive biases via your own AI.
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": {
    "archstone": {
      "command": "npx",
      "args": [
        "-y",
        "npm"
      ]
    }
  }
}

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

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