Calma

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Calma to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "calma": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-calma"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Automatically re-run AI agent work, recompute reported numbers, and block incorrect results before deployment.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Calma

Calma features 13 families of detectors to identify critical issues such as data leakage, overfitting, execution realism, eval contamination, survivorship bias, and other validity concerns.

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