Ephemeral Cloud MCP vs Arcane RMCP

In-depth architectural comparison of the Ephemeral Cloud MCP and Arcane RMCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

E

Choose Ephemeral Cloud MCP when:

• You need dedicated capabilities in the Cloud Platforms domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Ephemeral Cloud MCP Details

Choose Arcane RMCP when:

• You need dedicated capabilities in the Cloud Platforms domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Arcane RMCP Details

Feature & Specification Comparison

Specification	E Ephemeral Cloud MCP Cloud Platforms	Arcane RMCP Cloud Platforms
Summary	Temporary webhooks, URL watches and delayed callbacks for AI agents. Pay per use in USDC (x402).	Rust MCP server and CLI for Arcane Docker and container management.
Category & Scope	Cloud Platforms	Cloud Platforms
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "ephemeral-cloud-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ephemeral-cloud-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "arcane-rmcp": {
      "command": "npx",
      "args": [
        "-y",
        "@dinglebear/rarcane"
      ]
    }
  }
}

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