# Vincentping Playsudoku MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.vincentping%2Fplaysudoku
Registry id: `mcp-registry/io.github.vincentping/playsudoku`
Status: live (checked 2026-10-27T02:38:42.655Z)

## Verdict

Vincentping Playsudoku MCP server answered 100% of Glimind's liveness checks over 30 days, better than 42% of MCP servers, with 710 ms median handshake and 0 outages in 90 days. Its agent-readiness grade is A (96/100) across 4 tools, costing an agent about 1,057 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 100% | 42% of MCP servers |
| Median handshake latency | 710 ms | 34% of MCP servers |
| p95 handshake latency | 2889 ms | — |
| Checks in 30 days | 4,922 | — |
| Outages, 90 days | 0 | — |
| Median recovery | — | — |
| Agent-readiness score | 96/100 (A) | 82% of MCP servers |
| Tools | 4 | — |
| Tool-list size for an agent | ~1,057 tokens | 72% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "vincentping-playsudoku-mcp-server": {
      "type": "http",
      "url": "https://mcp.playsudoku.us/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http vincentping-playsudoku-mcp-server https://mcp.playsudoku.us/mcp
```

## Tools (4)

- `check_progress`: Check a user's current progress against the correct solution. Returns factual information only: whether the puzzle is complete, whether all filled cells are cor
- `explain_next_step`: Get the next logical solving step for a sudoku puzzle, optionally from a partially-filled state. TWO-BOARD MODE (puzzle + progress) — use when you know both the
- `get_sudoku_puzzle`: Get a random sudoku puzzle from the PlaySudoku.us collection. Puzzle is returned as an 81-character string: digits 1–9 for given cells, 0 for empty cells. The r
- `solve_sudoku`: Solve a sudoku puzzle completely with step-by-step logical deduction. Input: 81-character string of digits (0 or . for empty cells). Whitespace is tolerated. Re

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.