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LeetCode MCP Server

LeetCode MCP Server

by jinzcdev
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

get_recent_ac_submissions

Retrieve a LeetCode user's recent accepted submissions without authentication, with an optional limit, for quick progress review on Global or CN.

Instructions

Retrieves a user's recent accepted (AC) submissions (read-only, no auth). Available on both Global and CN. Use get_recent_submissions (Global only) to include failed attempts, or get_all_submissions (auth, current user) for full paginated history.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "username": "<username>"
    },
    "name": "get_recent_ac_submissions"
  }
}

Input Schema

NameRequiredDescriptionDefault
limitNoMax AC submissions to return (default: 10)
usernameYesLeetCode username whose public recent AC submissions to fetch

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.5.0
  2. Removedv1.4.0
  3. First observed

TDQS

A4.4/5.0
Behavior4/5

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

With no annotations, the description carries the burden and does well: it discloses read-only behavior, that no auth is required, and that it works on both Global and CN. It does not state return format or whether the limit truncates silently, which is the remaining gap.

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 short sentences, front-loaded with the core action and scope, then the disambiguation. Every sentence earns its place with zero redundancy.

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

Completeness4/5

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

For a simple two-parameter list tool with no output schema, the description covers purpose, auth, region availability, and sibling routing. Only the shape of returned data is unaddressed, a minor omission given the tool's simplicity.

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

Parameters3/5

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

Schema description coverage is 100% and both parameters (username, limit with default) are fully documented in the schema. The description adds no syntax or format detail beyond what the schema already provides, so the baseline of 3 applies.

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+resource ('Retrieves a user's recent accepted (AC) submissions') and immediately bounds scope with read-only, no-auth, and dual-region availability. An agent can distinguish this from get_recent_submissions and get_all_submissions without opening a schema.

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 with the condition that selects them: get_recent_submissions for failed attempts (Global only), get_all_submissions for full paginated history (auth, current user). This is textbook when-to-use routing.

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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