How do I install Onto?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 50 (Fair). The formula is published on the methodology page.

MCPpedia

Onto MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

Onto MCP Server

Name: Onto MCP Server
Author: ravixalgorithm

Clean Markdown and AI-readability scoring for any URL. Built for AI agents.

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RegistryRemoteravixalgorithm

50Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "ravixalgorithm-onto-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@ontosdk/mcp@1.5.2"
      ],
      "env": {
        "ONTO_API_KEY": "YOUR_ONTO_API_KEY",
        "ONTO_API_BASE": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
ONTO_API_KEY	Yes	Your Onto API key (get one at https://app.buildonto.dev/read/keys — free tier includes 1,000 credits/month). Secret.
ONTO_API_BASE	No	Optional override for the Onto API base URL. Defaults to https://api.buildonto.dev.

Onto MCP Server

Install

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