ScratchRun MCP Server
by ar-bluesdev.scratchrun/mcpv0.1.1
Ephemeral MicroVM-isolated code execution for AI agents. Fresh VM per call, hard-purged after.
context tax
queued
security
queued
cold start
queued
freshness
Maintained2mo ago
Install ScratchRun MCP server
Install in Claude Code
claude mcp add scratchrun -e SCRATCHRUN_API_KEY='<scratchrun-api-key>' -- npx -y @scratchrun/mcp-serverInstall in Cursor
{
"mcpServers": {
"scratchrun": {
"command": "npx",
"args": [
"-y",
"@scratchrun/mcp-server"
],
"env": {
"SCRATCHRUN_API_KEY": "<scratchrun-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"scratchrun": {
"command": "npx",
"args": [
"-y",
"@scratchrun/mcp-server"
],
"env": {
"SCRATCHRUN_API_KEY": "<scratchrun-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"scratchrun": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@scratchrun/mcp-server"
],
"env": {
"SCRATCHRUN_API_KEY": "<scratchrun-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"scratchrun": {
"command": "npx",
"args": [
"-y",
"@scratchrun/mcp-server"
],
"env": {
"SCRATCHRUN_API_KEY": "<scratchrun-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| SCRATCHRUN_API_KEY | yes | yes | ScratchRun API key — get one at https://scratchrun.dev |
Freshness
Maintained — last maintenance signal 2mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-08-04 · 2mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-04 · 2mo ago · official registry · v0.1.1
FAQ
›How do I install the ScratchRun MCP server in Claude Code?
Run: claude mcp add scratchrun -e SCRATCHRUN_API_KEY='<scratchrun-api-key>' -- npx -y @scratchrun/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does ScratchRun require an API key?
Yes. It expects SCRATCHRUN_API_KEY, of which 1 is a secret.
›Can I use ScratchRun as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is ScratchRun in the official MCP registry?
Yes, as dev.scratchrun/mcp.
Alternatives to ScratchRun
Other code execution & sandboxes MCP servers.