Ephemeral MCP Server: Install & Setup

Install Ephemeral in Claude Code

Claude Code

claude mcp add --transport http ephemeral https://app.ephemer.al/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "ephemeral": {
      "url": "https://app.ephemer.al/mcp"
    }
  }
}

Frequently asked questions

What does the Ephemeral MCP server do?

Run AI agent tasks in isolated sandboxes with a cost cap, saved workflows and scoped connections.

Is the Ephemeral 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 Ephemeral run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Ephemeral to Claude Code?

Run: claude mcp add --transport http ephemeral https://app.ephemer.al/mcp

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