Runtime Cloud MCP MCP server

An official MCP server provided by Runtime that exposes Linux microVM sandbox capabilities to AI agents. It allows agents to create, manage, and interact with isolated sandboxes for running commands, managing files, and handling processes, facilitating secure and scalable execution environments for AI workflows.

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

OAuth sign-inEndpoint checked 2026-10-05Operated by Runtime

MCP endpoint (Streamable HTTP)

https://api.withruntime.com/mcp

Vendor documentation

What you can do with it

Create and manage Linux microVM sandboxes
Execute commands within isolated environments
Read and write files in sandbox storage
Monitor and control background processes

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http runtime-cloud-mcp https://api.withruntime.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add runtime-cloud-mcp --url https://api.withruntime.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable runtime-cloud-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "runtime-cloud-mcp": {
      "url": "https://api.withruntime.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "runtime-cloud-mcp": {
      "type": "streamableHttp",
      "url": "https://api.withruntime.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start runtime-cloud-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "runtime-cloud-mcp": {
      "type": "http",
      "url": "https://api.withruntime.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http runtime-cloud-mcp https://api.withruntime.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "runtime-cloud-mcp": {
      "url": "https://api.withruntime.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "runtime-cloud-mcp": {
      "serverUrl": "https://api.withruntime.com/mcp"
    }
  }
}

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