Shiritori Dictionary (Japanese)

Play Japanese shiritori with a 90,000-word dictionary: check moves, suggest next words.

Should I use this

Quality & Safety

A
Description quality
80%
Schema completeness
87%
Naming quality
93%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~676Tokens (tool definitions)
~1.4 KBTypical response size
Moderate attention impact (0.53% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "shiritori": {
      "url": "https://shiritori.omikuji.dev/mcp"
    }
  }
}

Remote endpoints

https://shiritori.omikuji.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢check_move(previous, next, used, loose_dakuten)

Check whether the next word correctly follows the previous word in shiritori: it must start with the previous word's last kana, it loses if it ends in ん or was already used. Also tells whether each word is in the dictionary and what the next word must start with.

Input Schema

{
  "type": "object",
  "properties": {
    "previous": {
      "type": "string",
      "description": "The previous word (kana is safest; kanji is looked up in the dictionary)."
    },
    "next": {
      "type": "string",
      "description": "The word just said."
    },
    "used": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 1000,
      "description": "Words already used in this game."
    },
    "loose_dakuten": {
      "type": "boolean",
      "default": false,
      "description": "House rule: allow ば→は/ぱ style dakuten variants."
    }
  },
  "required": [
    "previous",
    "next"
  ],
  "additionalProperties": false
}
🟢suggest_next(after, start_char, exclude, count, pool, ...)

Pick random words that can follow the previous word (or start with a given kana), excluding words already used and, by default, words ending in ん. pool "everyday" (default) uses hand-picked everyday words, "common" adds common dictionary words, "all" uses the whole dictionary.

Input Schema

{
  "type": "object",
  "properties": {
    "after": {
      "type": "string",
      "description": "The previous word."
    },
    "start_char": {
      "type": "string",
      "description": "Or: one kana to start with, e.g. \"り\"."
    },
    "exclude": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 1000,
      "description": "Words already used in this game."
    },
    "count": {
      "type": "integer",
      "minimum": 1,
      "maximum": 30,
      "default": 5
    },
    "pool": {
      "type": "string",
      "enum": [
        "everyday",
        "common",
        "all"
      ],
      "default": "everyday"
    },
    "genre": {
      "type": "string",
      "enum": [
        "food",
        "animal",
        "plant",
        "nature",
        "body",
        "goods",
        "vehicle",
        "place",
        "world",
        "people",
        "play",
        "word"
      ],
      "description": "Theme for 食べ物しりとり etc. (everyday words only)."
    },
    "allow_n": {
      "type": "boolean",
      "default": false,
      "description": "Include words ending in ん (they lose)."
    },
    "loose_dakuten": {
      "type": "boolean",
      "default": false
    }
  },
  "additionalProperties": false
}
🟢check_word(word)

Look up a word: is it in the dictionary, its reading, its first and last kana under shiritori rules (ー and small kana handled), whether it ends in ん, and which kana the next word must start with.

Input Schema

{
  "type": "object",
  "properties": {
    "word": {
      "type": "string"
    }
  },
  "required": [
    "word"
  ],
  "additionalProperties": false
}

Community

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Evidence

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