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LeetCode MCP Server

LeetCode MCP Server

by jinzcdev
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

get_daily_challenge

Retrieves today's LeetCode Daily Challenge problem with its full description and returns current-date details as JSON.

Instructions

Retrieves today's Daily Challenge problem with full description (read-only, no auth). Returns problem details for the current date as JSON. Use get_problem when you know a specific titleSlug; use search_problems to discover problems by filters.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "get_daily_challenge"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.5.0
  2. Removedv1.4.0
  3. Changed1 schema field changedv1.0.0
    • removedInput schema / additionalProperties
      Removed value: -false
  4. First observed

TDQS

A4.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden, and it does disclose the important traits: read-only, no authentication required, and that it returns JSON details for the current date. It does not cover edge behavior such as what is returned on a day without a challenge or whether results are cached, which keeps it short of a 5.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three tight sentences, front-loaded with what it does and its safety profile, then routing guidance. No sentence is redundant or padding.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a parameterless, read-only retrieval tool with no output schema, the description supplies everything an agent needs: what it returns, its scope (today), its auth/safety profile, and how it relates to the two sibling retrieval tools.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool takes zero parameters, which is the baseline-4 case per the rubric. The description implicitly confirms this by framing the date as fixed ('current date') rather than something the caller supplies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Retrieves today's Daily Challenge problem') and immediately qualifies scope ('today's', 'current date'). It is clearly distinguishable from get_problem (needs a titleSlug) and search_problems (filter-based discovery).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly names both alternatives and the condition that selects each: get_problem when a titleSlug is known, search_problems when discovering by filters. The implicit 'use this when you want today's challenge with no known identifier' is unambiguous from the contrast.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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