MCP server

ScratchRun Official

dev.scratchrun/mcp

Checked 25 Oct 2026, 21:11 UTC · Still published on its registry; checked against OSV.dev; never run by us

Ephemeral MicroVM-isolated code execution for AI agents. Fresh VM per call, hard-purged after.

Runs on your computerVerified publisher: scratchrun.dev

Source

At a glance

Type: MCP server
Publisher: scratchrun.dev (verified by the MCP Registry)
Status: Runs on your computer
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code
Last checked: 25 Oct 2026, 21:11 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. It then runs the package on your computer with your permissions. For other apps, copy the setup below.

Claude Code

claude mcp add scratchrun --env SCRATCHRUN_API_KEY=YOUR_VALUE -- npx -y @scratchrun/mcp-server@0.1.1

Claude Desktop

{"mcpServers":{"scratchrun":{"command":"npx","args":["-y","@scratchrun/mcp-server@0.1.1"],"env":{"SCRATCHRUN_API_KEY":"YOUR_VALUE"}}}}

Codex (config.toml)

[mcp_servers.scratchrun]
command = "npx"
args = ["-y","@scratchrun/mcp-server@0.1.1"]
env = { SCRATCHRUN_API_KEY = "YOUR_VALUE" }

Gemini CLI

{"mcpServers":{"scratchrun":{"command":"npx","args":["-y","@scratchrun/mcp-server@0.1.1"],"env":{"SCRATCHRUN_API_KEY":"YOUR_VALUE"}}}}

Cursor

{"mcpServers":{"scratchrun":{"command":"npx","args":["-y","@scratchrun/mcp-server@0.1.1"],"env":{"SCRATCHRUN_API_KEY":"YOUR_VALUE"}}}}

VS Code

{"servers":{"scratchrun":{"type":"stdio","command":"npx","args":["-y","@scratchrun/mcp-server@0.1.1"],"env":{"SCRATCHRUN_API_KEY":"YOUR_VALUE"}}}}

Runs on your computer with your permissions: check the package and its source before installing. Replace YOUR_VALUE with your own SCRATCHRUN_API_KEY.

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Running code

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