directRunCode

Execute code in a temporary sandbox, automatically destroying it post-execution. Supports multiple languages, custom environment variables, and optional file download. Ideal for isolated, one-time code runs without persistent sandbox operations.

Instructions

Automatically creates a sandbox, executes code, and immediately destroys the sandbox after execution. Optionally exports sandbox files (compresses multiple files into a zip archive if there are multiple files in the specified path, or exports a single file directly). Recommended for use cases that don't require continuous sandbox operations.

Input Schema

Name	Required	Description
`code`	Yes	The source code to be executed in the sandbox
`envs`	No	Environment variables to be set during code execution. Supports passing custom environment variables as key-value pairs
`is_download`	No	Flag to indicate whether to download generated files. Must be enabled if the code generates files that need to be retrieved
`language`	Yes	The programming language to execute the code. If not provided or if the value is not in the allowed options, it will be treated as Python code
`timeout`	No	Maximum execution time in seconds for the sandbox. If code execution exceeds this time, it will be terminated and return a timeout error. Default is 5

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "code": {
      "description": "The source code to be executed in the sandbox",
      "type": "string"
    },
    "envs": {
      "additionalProperties": {
        "type": "string"
      },
      "description": "Environment variables to be set during code execution. Supports passing custom environment variables as key-value pairs",
      "type": "object"
    },
    "is_download": {
      "description": "Flag to indicate whether to download generated files. Must be enabled if the code generates files that need to be retrieved",
      "type": "boolean"
    },
    "language": {
      "description": "The programming language to execute the code. If not provided or if the value is not in the allowed options, it will be treated as Python code",
      "enum": [
        "python",
        "r",
        "java",
        "bash",
        "js"
      ],
      "type": "string"
    },
    "timeout": {
      "description": "Maximum execution time in seconds for the sandbox. If code execution exceeds this time, it will be terminated and return a timeout error. Default is 5",
      "type": "number"
    }
  },
  "required": [
    "language",
    "code"
  ],
  "type": "object"
}

302AI Sandbox MCP Server

directRunCode

Instructions

Input Schema

Input Schema (JSON Schema)

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