# atcoder-mcp-server

> atcoder-mcp-server — ketherworks-atcoder-mcp-server. Use this tool when you need to access AtCoder problem statements and samples without interfering with ongoing contests. It provides a read-only MCP server for retrieving and searching problems, solving the issue of contest interference and enabling seamless access to problem information. Ideal for use cases requiring uninterrupted problem retrieval and search functionality.

Canonical page: https://skillsregistry.net/skills/ketherworks-atcoder-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/ketherworks-atcoder-mcp-server

## Description

Read-only MCP server for accessing AtCoder problem statements and samples, enabling problem retrieval and search without contest interference.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** search
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/u59gyusopy)
- **Repository:** <https://github.com/ketherworks/atcoder-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "ketherworks-atcoder-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/ketherworks-atcoder-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/ketherworks-atcoder-mcp-server/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt