RMCP.DEV
← zerowidth.ai

INDIVIDUAL MCP TOOL

caliper_rubrics_create

Creates the scoring rubric an eval's LLM judge uses — 1-10 criteria, each scored on a numeric scale (default 1-5), judged pass/fail (kind pass_fail), or checked in code with no judge (kind check: contains, not_contains, matches a regex, valid_json, max_chars, equals_expected).

zerowidth.ainone authenticationAvailability not checked

LIVE ENDPOINT

https://api.zerowidth.ai/mcp/x/caliper

No auth detected

Connect to this endpoint to inspect the live schema for caliper_rubrics_create and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Potential side effects detected · medium confidence · heuristic, not a guarantee.

  • A tool name or description suggests code or command execution.

Parent server

zerowidth.ai

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.zerowidth-mcp]
url = "https://api.zerowidth.ai/mcp/x/caliper"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "zerowidth-mcp": {
      "type": "http",
      "url": "https://api.zerowidth.ai/mcp/x/caliper"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: zerowidth-mcp
Remote MCP URL: https://api.zerowidth.ai/mcp/x/caliper

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "zerowidth-mcp": {
      "url": "https://api.zerowidth.ai/mcp/x/caliper"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code 
{
  "servers": {
    "zerowidth-mcp": {
      "type": "http",
      "url": "https://api.zerowidth.ai/mcp/x/caliper"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "zerowidth-mcp",
  "transport": "streamable-http",
  "url": "https://api.zerowidth.ai/mcp/x/caliper"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

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