PuzzleTide Puzzle Generator
Word search, crossword, and sudoku generator MCP server with printable PDF worksheets, themed word banks, and verifiable LLM evals. Local-first, from the makers of puzzletide.com.
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Overview
Word search generator, crossword generator, and sudoku generator + solver in one local-first puzzle generator CLI — with printable PDF worksheets, starter word banks, verifiable LLM evals, and bundled agent skills. From the makers of puzzletide.com. Ask a language model to write a word search and you get a grid where half the words are broken; ask it for a sudoku and you usually get one with several solutions, or none. Grids are exactly the kind of output LLMs are bad at and deterministic code is good at.
Installation
npm install -g puzzletide
Configuration
{
"mcpServers": {
"puzzletide": {
"command": "npx",
"args": ["-y", "puzzletide-mcp"]
}
}Capabilities
- Generate a word search
create a word search grid from custom words, a file, or a bundled theme using `puzzle_wordsearch_generate`.
- Generate a crossword
produce an interlocking crossword with standard numbering and validated clues via `puzzle_crossword_generate`.
- Generate or solve sudoku
create a sudoku with a guaranteed unique solution (`puzzle_sudoku_generate`) or solve an 81-character puzzle string (`puzzle_sudoku_solve`).
- Validate a sudoku
check a sudoku grid for conflicts, solvability, and solution uniqueness with `puzzle_sudoku_validate`.
- Explore word banks
list themes, search words by pattern, find anagrams, or pick random words using `words_themes`, `words_match`, `words_anagram`, and `words_random`.
- Run verifiable LLM evals
generate reproducible puzzle-based benchmark tasks (`eval_generate`) and grade answers by construction (`eval_check`).
Tags
- llm
- ai-model
- search
- knowledge-retrieval
- development
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