Interactive Leetcode MCP Server

Interactive LeetCode MCP server with authorization and submission capabilities for seamless problem-solving with Claude

Local serverstdioPython

What is the Interactive Leetcode MCP MCP server?

Interactive LeetCode MCP server with authorization and submission capabilities for seamless problem-solving with Claude. That is what the interactive leetcode mcp mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.

The short version

  • 🔐 AI-guided authentication - Claude walks you through one-time credential setup
  • 🎓 Learning-guided mode - AI provides hints before solutions to maximize learning
  • 📝 Solution submission - Submit code and get instant results
  • 💬 Conversational workflow - Practice naturally with Claude Code
  • 🌍 Multi-language support - Java, Python, C++, JavaScript, TypeScript, and more
  • 📊 Detailed feedback - Runtime stats, memory usage, failed test cases

The tools it exposes

The server publishes 4 tools. What each one is for:

  • Parameters — titleSlug (e.g., "two-sum")
  • Returns — acceptance status, runtime, memory, or failed test case
  • Authorization — The Authorization tool exposed by this server
  • Features — 1. Understand the problem 2. Plan the approach 3. Set up workspace 4. Implement with hints 5. Optimize and analyze complexity 6. Submit and review

What it needs from you

  • Node.js v20.x or above - LeetCode account - Any modern web browser (Chrome, Firefox, Safari, Edge, etc.)

Getting it running

The server ships on npm as @sperekrestova/interactive-leetcode-mcp, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

How it compares

Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Interactive Leetcode MCP's toolset — Parameters, Returns, Authorization and 1 more — is a fair guide to whether it matches your workflow. It is maintained by sperekrestova; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Interactive Leetcode MCP's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
ParameterstitleSlug (e.g., "two-sum")
Returnsacceptance status, runtime, memory, or failed test case
AuthorizationThe Authorization tool exposed by this server.
Features1. Understand the problem 2. Plan the approach 3. Set up workspace 4. Implement with hints 5. Optimize and analyze complexity 6. Submit and review results

How to install the Interactive Leetcode MCP MCP server

### Local build

```json
{
  "mcpServers": {
    "leetcode": {
      "command": "node",
      "args": ["/path/to/this/project/interactive-leetcode-mcp/build/index.js"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

  • Node.js v20.x or above - LeetCode account - Any modern web browser (Chrome, Firefox, Safari, Edge, etc.)

Example prompts to try

  • Use Interactive Leetcode MCP to Parameters.
  • Use Interactive Leetcode MCP to Returns.
  • Use Interactive Leetcode MCP to Authorization.

Frequently asked questions

It connects Interactive Leetcode MCP to MCP-compatible AI assistants such as Claude and Cursor, exposing 4 tools (Parameters, Returns, Authorization, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Interactive Leetcode MCP directly.