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Claude Desktop

1

Open Claude settings

Click the Claude menu → Settings → Developer → Edit Config
2

Add the server

Add this to your claude_desktop_config.json:
{
  "mcpServers": {
    "orthogonal": {
      "url": "https://mcp.orth.sh"
    }
  }
}
3

Restart Claude

Fully quit and reopen Claude Desktop. You should see “orthogonal” in the tools list.

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Cursor

1

Open Cursor settings

Press Cmd+, (Mac) or Ctrl+, (Windows/Linux) → MCP
2

Add new server

Click “Add Server” and enter:
  • Name: orthogonal
  • URL: https://mcp.orth.sh
3

Enable the server

Toggle the server on and start a new chat.

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Other MCP Clients

For any MCP-compatible client: 
{
  "mcpServers": {
    "orthogonal": {
      "url": "https://mcp.orth.sh"
    }
  }
}

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How It Works

The Orthogonal MCP server exposes four tools:
  1. search - Find APIs by describing what you need
  2. get_details - Get parameters for a specific endpoint
  3. integrate - Get code snippets
  4. use - Execute an API call
When you ask Claude to do something like “enrich this lead”, it will:
  1. Use search to find enrichment APIs
  2. Use get_details to understand the parameters
  3. Use use to make the actual API call
  4. Return the results to you

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Verify Installation

Ask your AI assistant:
“Search for APIs that can enrich leads by email”
If configured correctly, it will use the Orthogonal search tool and return results.

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Troubleshooting

  1. Fully restart the client application
  2. Check that the URL is exactly https://mcp.orth.sh
  3. Verify your MCP client supports HTTP transport
  1. Check your account has credits at orthogonal.com/dashboard
  2. Try a simple search first to verify connectivity
  3. Check the client’s MCP logs for errors