Ephemora Cell MCP Server: Install & Setup

Install Ephemora Cell in Claude Code

Claude Code

claude mcp add ephemora-cell-mcp-wasm-sandbox -- uvx ephemora-cell

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

{
  "mcpServers": {
    "ephemora-cell-mcp-wasm-sandbox": {
      "command": "uvx",
      "args": [
        "ephemora-cell"
      ]
    }
  }
}

Frequently asked questions

What does the Ephemora Cell MCP server do?

WASM sandbox for MCP tools. WASI-isolated, fuel/memory/I/O capped, attested.

Is the Ephemora Cell MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Ephemora Cell run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Ephemora Cell to Claude Code?

Run: claude mcp add ephemora-cell-mcp-wasm-sandbox -- uvx ephemora-cell

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