C# Runner
Verified IntegrationClient Configuration
— Connect C# Runner to Claude Desktop or Cursor in seconds{
"mcpServers": {
"c-runner": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-c-runner"
],
"env": {}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).System Overview
Execute C# code online securely with container isolation and high-performance features.
7/22/2026
Open Source
stdio / SSE RPC
Frequently Asked Questions
Architecture and operational details for C# Runner
C# Runner is a high-performance and secure platform designed for executing C# code online. Its primary purpose is to provide a safe, isolated environment for running untrusted C# code with features like containerization and resource limits.
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