UnscrambleKey

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com.unscramblekey/unscramblekeyv1.0.0 Domain verified

Unscramble letters, find anagrams, solve Wordle and patterns, list words and score them in Scrabble.

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{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-11T17:19:32.477882Z",
      "publishedAt": "2026-11-11T17:19:32.477882Z",
      "statusChangedAt": "2026-11-11T17:19:32.477882Z"
    }
  },
  "server": {
    "name": "com.unscramblekey/unscramblekey",
    "icons": [
      {
        "src": "https://unscramblekey.com/mcp/icons/icon-512.png",
        "sizes": [
          "512x512"
        ],
        "mimeType": "image/png"
      },
      {
        "src": "https://unscramblekey.com/mcp/icons/icon-256.png",
        "sizes": [
          "256x256"
        ],
        "mimeType": "image/png"
      },
      {
        "src": "https://unscramblekey.com/mcp/icons/icon-128.png",
        "sizes": [
          "128x128"
        ],
        "mimeType": "image/png"
      }
    ],
    "title": "UnscrambleKey",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://unscramblekey.com/api/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "1.0.0",
    "repository": {
      "url": "https://github.com/pyxlino/unscramblekey-mcp",
      "source": "github"
    },
    "websiteUrl": "https://unscramblekey.com",
    "description": "Unscramble letters, find anagrams, solve Wordle and patterns, list words and score them in Scrabble."
  }
}

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Call this server's tools from your browser. Nothing to install.

https://unscramblekey.com/api/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

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find_anagrams Read-only

Finds the words that use all of the given letters exactly once, with blank tiles allowed. Returns the anagrams with common words first and their scores, and the number of shorter words the same letters make.

lettersstring, required

The rack of letters. Up to 15 characters; _ or ? stands for a blank tile (up to 3 blanks).

cursorstring

Opaque cursor from a previous result with the same arguments; absent on the first call.

scoringstring

Points system: scrabble (default) or wwf for Words With Friends.

Try it

Call this server's tools from your browser. Nothing to install.

https://unscramblekey.com/api/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

find_anagrams Read-only

lettersstring, required

The rack of letters. Up to 15 characters; _ or ? stands for a blank tile (up to 3 blanks).

cursorstring

Opaque cursor from a previous result with the same arguments; absent on the first call.

scoringstring

Points system: scrabble (default) or wwf for Words With Friends.

Tools (6)

find_anagrams

read-only

Argument	Type	Description
cursor	string	Opaque cursor from a previous result with the same arguments; absent on the first call.
letters*	string	The rack of letters. Up to 15 characters; _ or ? stands for a blank tile (up to 3 blanks).
scoring	string	Points system: scrabble (default) or wwf for Words With Friends.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "letters"
  ],
  "properties": {
    "cursor": {
      "type": "string",
      "maxLength": 2048,
      "description": "Opaque cursor from a previous result with the same arguments; absent on the first call."
    },
    "letters": {
      "type": "string",
      "maxLength": 40,
      "minLength": 1,
      "description": "The rack of letters. Up to 15 characters; _ or ? stands for a blank tile (up to 3 blanks)."
    },
    "scoring": {
      "enum": [
        "scrabble",
        "wwf"
      ],
      "type": "string",
      "description": "Points system: scrabble (default) or wwf for Words With Friends."
    }
  },
  "additionalProperties": false
}

score_word

Checks a word against the dictionary and scores it. Returns whether the word is valid, whether it is common or rare, and its Scrabble and Words With Friends points letter by letter.

read-only

Argument	Type	Description
word*	string	The word to check, 1 to 28 letters.
scoring	string	Points system: scrabble (default) or wwf for Words With Friends.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "word"
  ],
  "properties": {
    "word": {
      "type": "string",
      "maxLength": 40,
      "minLength": 1,
      "description": "The word to check, 1 to 28 letters."
    },
    "scoring": {
      "enum": [
        "scrabble",
        "wwf"
      ],
      "type": "string",
      "description": "Points system: scrabble (default) or wwf for Words With Friends."
    }
  },
  "additionalProperties": false
}

solve_pattern

Finds the words that fit a crossword-style pattern such as _A_E_, where _ is an unknown letter, optionally limited to words whose unknown positions can be filled from the available letters. Returns the matching words with common words first and their scores.

read-only

Argument	Type	Description
cursor	string	Opaque cursor from a previous result with the same arguments; absent on the first call.
letters	string	Optional available letters for the unknown positions; _ or ? stands for a blank tile.
pattern*	string	Letters and _ for unknown positions, for example _A_E_. Up to 15 characters.
scoring	string	Points system: scrabble (default) or wwf for Words With Friends.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "pattern"
  ],
  "properties": {
    "cursor": {
      "type": "string",
      "maxLength": 2048,
      "description": "Opaque cursor from a previous result with the same arguments; absent on the first call."
    },
    "letters": {
      "type": "string",
      "maxLength": 40,
      "minLength": 1,
      "description": "Optional available letters for the unknown positions; _ or ? stands for a blank tile."
    },
    "pattern": {
      "type": "string",
      "maxLength": 40,
      "minLength": 2,
      "description": "Letters and _ for unknown positions, for example _A_E_. Up to 15 characters."
    },
    "scoring": {
      "enum": [
        "scrabble",
        "wwf"
      ],
      "type": "string",
      "description": "Points system: scrabble (default) or wwf for Words With Friends."
    }
  },
  "additionalProperties": false
}

solve_wordle

Solves a Wordle position from the guesses made and the colour of each letter. Returns the words still possible with common words first, the ten best next guesses and the letters ruled out, or a note when the clues cannot all be true.

read-only

Argument	Type	Description
cursor	string	Opaque cursor from a previous result with the same arguments; absent on the first call.
guesses*	array	The guesses made so far, in order.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "guesses"
  ],
  "properties": {
    "cursor": {
      "type": "string",
      "maxLength": 2048,
      "description": "Opaque cursor from a previous result with the same arguments; absent on the first call."
    },
    "guesses": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "word",
          "colors"
        ],
        "properties": {
          "word": {
            "type": "string",
            "maxLength": 5,
            "minLength": 5,
            "description": "The five-letter guess."
          },
          "colors": {
            "type": "array",
            "items": {
              "enum": [
                "green",
                "yellow",
                "gray"
              ],
              "type": "string",
              "description": "green: right letter and place; yellow: in the word elsewhere; gray: not in the word."
            },
            "maxItems": 5,
            "minItems": 5,
            "description": "The colour of each of the five letters."
          }
        },
        "additionalProperties": false
      },
      "maxItems": 6,
      "minItems": 1,
      "description": "The guesses made so far, in order."
    }
  },
  "additionalProperties": false
}

unscramble_letters

Finds every dictionary word that can be made from a rack of letters, with optional blank tiles and start, end, contains and length filters. Returns the words grouped by length with common words first and a Scrabble or Words With Friends score for each, the best-scoring and longest words, and a link to the matching unscramblekey.com page.

read-only

Argument	Type	Description
cursor	string	Opaque cursor from a previous result with the same arguments; absent on the first call.
length	integer	Exact word length.
letters*	string	The rack of letters. Up to 15 characters; _ or ? stands for a blank tile (up to 3 blanks).
scoring	string	Points system: scrabble (default) or wwf for Words With Friends.
contains	string	Letters the word contains in a row.
ends_with	string	Letters the word ends with.
starts_with	string	Letters the word starts with.
include_offensive	boolean

word_list

Lists the dictionary words of a given length, or that start with, end with or contain given letters, in popularity order with common words first. Returns a page of words with their scores, the counts and a link to the matching list page on unscramblekey.com.

read-only

Argument	Type	Description
cursor	string	Opaque cursor from a previous result with the same arguments; absent on the first call.
length	integer	Exact word length.
scoring	string	Points system: scrabble (default) or wwf for Words With Friends.
contains	string	Letters the word contains in a row.
ends_with	string	Letters the word ends with.
starts_with	string	Letters the word starts with.

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "cursor": {
      "type": "string",
      "maxLength": 2048,
      "description": "Opaque cursor from a previous result with the same arguments; absent on the first call."
    },
    "length": {
      "type": "integer",
      "maximum": 15,
      "minimum": 2,
      "description": "Exact word length."
    },
    "scoring": {
      "enum": [
        "scrabble",
        "wwf"
      ],
      "type": "string",
      "description": "Points system: scrabble (default) or wwf for Words With Friends."
    },
    "contains": {
      "type": "string",
      "maxLength": 8,
      "minLength": 1,
      "description": "Letters the word contains in a row."
    },
    "ends_with": {
      "type": "string",
      "maxLength": 8,
      "minLength": 1,
      "description": "Letters the word ends with."
    },
    "starts_with": {
      "type": "string",
      "maxLength": 8,
      "minLength": 1,
      "description": "Letters the word starts with."
    }
  },
  "additionalProperties": false
}

UnscrambleKey

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find_anagrams Read-only

UnscrambleKey

Registry entry

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find_anagrams Read-only

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Tools (6)

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