ZeroWidth Caliper

Name: ZeroWidth Caliper
Author: zerowidth

zerowidth

Get started Website & docs

Build datasets and rubrics, then run evals that score your AI in Caliper.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to Cursor Add to VS Code

claude mcp add --transport http zerowidth-caliper https://api.zerowidth.ai/mcp/x/caliper --header 'Authorization: <AUTHORIZATION>'

~/.codex/config.toml

[mcp_servers.zerowidth-caliper]
url = "https://api.zerowidth.ai/mcp/x/caliper"
http_headers = { Authorization = "<AUTHORIZATION>" }

# codex mcp add zerowidth-caliper --url https://api.zerowidth.ai/mcp/x/caliper

~/.cursor/mcp.json

{
  "mcpServers": {
    "zerowidth-caliper": {
      "url": "https://api.zerowidth.ai/mcp/x/caliper",
      "headers": {
        "Authorization": "<AUTHORIZATION>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "zerowidth-caliper": {
      "type": "http",
      "url": "https://api.zerowidth.ai/mcp/x/caliper",
      "headers": {
        "Authorization": "<AUTHORIZATION>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "zerowidth-caliper": {
      "httpUrl": "https://api.zerowidth.ai/mcp/x/caliper",
      "headers": {
        "Authorization": "<AUTHORIZATION>"
      }
    }
  }
}

claude_desktop_config.json · Customize › Connectors › Add custom connector

{
  "mcpServers": {
    "zerowidth-caliper": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://api.zerowidth.ai/mcp/x/caliper",
        "--header",
        "Authorization:<AUTHORIZATION>"
      ]
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "zerowidth-caliper": {
      "url": "https://api.zerowidth.ai/mcp/x/caliper",
      "headers": {
        "Authorization": "<AUTHORIZATION>"
      }
    }
  }
}

Setup

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