Install ZeroWidth Caliper in Claude Code
claude mcp add --transport http zerowidth-caliper https://api.zerowidth.ai/mcp/x/caliper{
"mcpServers": {
"zerowidth-caliper": {
"url": "https://api.zerowidth.ai/mcp/x/caliper"
}
}
}Frequently asked questions
What does the ZeroWidth Caliper MCP server do?
Build datasets and rubrics, then run evals that score your AI in Caliper.
Is the ZeroWidth Caliper MCP server free?
The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.
Does ZeroWidth Caliper run locally or remotely?
Remote. Hosted by the provider. You connect with a URL, nothing to install.
How do I add ZeroWidth Caliper to Claude Code?
Run: claude mcp add --transport http zerowidth-caliper https://api.zerowidth.ai/mcp/x/caliper
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