Ephemora Cell MCP — WASM Sandbox

local MCP server

Installation

Terminal

claude mcp add ephemora-cell-mcp -- uvx ephemora-cell

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

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

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

Ephemora Cell MCP — WASM Sandbox is a local MCP server distributed as the pypi package ephemora-cell.

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

Run: codex mcp add ephemora-cell-mcp -- uvx ephemora-cell

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