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OnlineCompiler.io

io.onlinecompiler/compiler · version 1.2.1

Community listing. Not installed or verified by cosmic-mcp. Read the source and its permissions before you run it.

Run Python, Java, C, C++, C#, Go, Rust and 39 more languages, each run in a fresh, offline sandbox.

https://github.com/onlinecompiler-io/onlinecompiler-mcp

Quick facts

  • Listing: Verified domain
  • Published Nov 7, 00:53 UTC
  • Transport: streamable-http
  • Listed by cosmic-mcp: Nov 8, 19:01 UTC

Code execution and sandboxes

Setup snippets

Generated from the registry entry. cosmic-mcp has not run or reviewed this server; values in angle brackets are yours to fill in.

Remote MCP URL (Claude and ChatGPT custom connectors)

https://api.onlinecompiler.io/mcp

Claude Code

claude mcp add --transport http 'compiler' 'https://api.onlinecompiler.io/mcp'

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "compiler": {
      "url": "https://api.onlinecompiler.io/mcp"
    }
  }
}

VS Code (.vscode/mcp.json)

{
  "servers": {
    "compiler": {
      "type": "http",
      "url": "https://api.onlinecompiler.io/mcp"
    }
  }
}

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