diff --git a/README.md b/README.md
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+++ b/README.md
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+# Code Execution
+Code Execution plugin for [TypingMind](https://typingmind.com) powered by [Judge0](https://judge0.com).
+
+## Get Started
+1. Get your code execution API key [here](https://judge0.com/ce).
+2. Click the *Settings* tab and enter your RapidAPI Key.
+
+## Supported Languages
+C, C++, Go, Python, Java, JavaScript, Ruby.
+
+## Example Usage
+```
+Run the following Python code:
+def fibonacci(n):
+    if n <= 1:
+        return n
+    else:
+        return fibonacci(n-1) + fibonacci(n-2)
+print(fibonacci(10))
+```
+
+---
+
+```
+Run this C++ code:
+#include <iostream>
+
+int main() {
+    std::cout << "Hello from TypingMind!\n";
+    return 0;
+}
+```
+
+## Contribute
+Your contributions are welcome via [GitHub](https://github.com/judge0/typingmind).
diff --git a/plugin.js b/plugin.js
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+++ b/plugin.js
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+const LANGUAGE_IDS = { // https://ce.judge0.com/languages
+    "c": 50,
+    "cpp": 54,
+    "go": 95,
+    "java": 91,
+    "javascript": 93,
+    "python": 92,
+    "ruby": 72
+};
+
+const LANGUAGE_ALIASES = {
+    "c++": "cpp",
+    "golang": "go",
+    "js": "javascript"
+}
+
+function getLanguageId(language) {
+    let l = language.toLowerCase();
+    return LANGUAGE_IDS[LANGUAGE_ALIASES[l] || l] || 0;
+}
+
+function encode(str) {
+    return btoa(unescape(encodeURIComponent(str || "")));
+}
+
+function decode(bytes) {
+    var escaped = escape(atob(bytes || ""));
+    try {
+        return decodeURIComponent(escaped);
+    } catch {
+        return unescape(escaped);
+    }
+}
+
+async function code_execution(params, userSettings) {
+    const { source_code, language } = params;
+    const { rapidApiKey } = userSettings;
+
+    const languageId = getLanguageId(language);
+    if (languageId == 0) {
+        return `Unsupported language ${language}`;
+    }
+
+    const requestHeaders = new Headers();
+    requestHeaders.append("x-rapidapi-key", rapidApiKey);
+    requestHeaders.append("Content-Type", "application/json");
+
+    const requestData = {
+        "language_id": languageId,
+        "source_code": encode(source_code),
+        "redirect_stderr_to_stdout": true
+    };
+
+    let response = await fetch("https://judge0-ce.p.rapidapi.com/submissions?base64_encoded=true&wait=true", {
+        method: "POST",
+        headers: requestHeaders,
+        body: JSON.stringify(requestData)
+    });
+
+    if (!response.ok) {
+        return "Network error";
+    }
+
+    let responseData = await response.json();
+    return [decode(responseData["compile_output"]), decode(responseData["stdout"])].join("\n").trim();
+}
diff --git a/settings.json b/settings.json
new file mode 100644
index 0000000..6557fd8
--- /dev/null
+++ b/settings.json
@@ -0,0 +1,7 @@
+[
+    {
+        "name": "rapidApiKey",
+        "label": "RapidAPI Key",
+        "type": "password"
+    }
+]
diff --git a/spec.json b/spec.json
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index 0000000..b4fd606
--- /dev/null
+++ b/spec.json
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+{
+    "name": "code_execution",
+    "description": "Run code in various programming languages",
+    "parameters": {
+        "type": "object",
+        "properties": {
+            "source_code": {
+                "type": "string",
+                "description": "A source code snippet"
+            },
+            "language": {
+                "type": "string",
+                "description": "A name of the programming language"
+            }
+        },
+        "required": [
+            "source_code",
+            "language"
+        ]
+    }
+}