Code Runner

Name: Code Runner
Author: formulahendry

Caution

Code Runner MCP Server which can run code in various programming languages.

by formulahendry 239 MIT TypeScript Intermediate stdio

Install

Claude Code

claude mcp add mcp-server-code-runner -- npx -y code-runner

Cursor

{
  "mcpServers": {
    "mcp-server-code-runner": {
      "command": "npx",
      "args": [
        "-y",
        "code-runner"
      ]
    }
  }
}

VS Code

{
  "mcp": {
    "servers": {
      "mcp-server-code-runner": {
        "command": "npx",
        "args": [
          "-y",
          "code-runner"
        ]
      }
    }
  }
}

Windsurf

{
  "mcpServers": {
    "mcp-server-code-runner": {
      "command": "npx",
      "args": [
        "-y",
        "code-runner"
      ]
    }
  }
}

Claude Desktop

{
  "mcpServers": {
    "mcp-server-code-runner": {
      "command": "npx",
      "args": [
        "-y",
        "code-runner"
      ]
    }
  }
}

Safety Report

83% Caution

Scanned yesterday

5 passed 1 failed

Security

Authentication

details

No authentication mechanism detected in source code

Fail

CORS Policy

details

stdio transport — CORS not applicable

N/A

Rate Limiting

details

No rate limiting mechanism detected

Info

Known CVEs

details

No known CVEs in dependencies

Pass

Code Quality

Dependency Audit

details

No known vulnerable dependencies detected

Pass

Dangerous Patterns

details

No dangerous code patterns detected

Pass

License

details

License: MIT

Pass

Community

Maintenance Status

details

Last commit 41 days ago

Pass

Learn about our security methodology →

Compatibility

Claude CodeFull support

Tested

CursorFull support

Tested

VS CodeFull support via Copilot

Tested

WindsurfFull support

Tested

Claude DesktopFull support

Tested

Frequently Asked Questions

What is Code Runner?

Code Runner MCP Server which can run code in various programming languages.

Is Code Runner safe to use?

Code Runner is rated Caution. Some security checks raised warnings. Review the safety report on this page for details before use.

What are alternatives to Code Runner?

Similar MCP servers include FastMCP, Oh My Posh Validator, Claude Flow. Each serves a similar purpose but may differ in features, language, and compatibility.