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Get structured LeetCode guidance with hints, complexity analysis, and optimization advice.
Copy the install command and let the AI configure it · recommended for beginners
No copy-paste install info for "leetcode-helper" yet — see the docs or source repo.
Analyze the approach for this LeetCode problem without giving the full solution. Explain the problem, possible methods, time and space complexity, and then provide step-by-step hints: Two Sum
Returns a problem breakdown, multiple solution approaches, complexity comparisons, and gradual hints without revealing full code.
Here is my approach for Longest Substring Without Repeating Characters. Identify performance bottlenecks and suggest better optimization directions without directly rewriting the final answer: <paste my idea or code>
Returns bottleneck analysis, improvement areas, recommended optimization strategies, and why the complexity becomes better.
I’m preparing for coding interviews. For Binary Tree Level Order Traversal, guide me like an interviewer: ask for the key idea first, then give hints based on my response, and summarize the core concepts tested.
Returns interview-style guidance, staged hints, and a summary of the data structures and algorithm concepts being tested.
Helps developers learn coding concepts, review code, and build learning paths.
Helps users analyze problems, plan solutions, generate code, and verify results.
Authorize LeetCode, solve problems interactively, and submit solutions from AI workflows.
Demo MCP server for calculations, time checks, notes, and code review prompts.
Get context-aware coding rules, development guidance, and AI-curated advice.
Production-ready MCP server for query normalization, retrieval, and RAG prompt building.