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Word searches, crosswords, sudoku and Unicode text styles in 6 languages, accents kept.
Remote server: your requests and data go to mcp.lettras.org. Claude Code: claude mcp add --transport http lettras-word-search https://mcp.lettras.org/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
generate_word_search — Create a word-search puzzle (sopa de letras) from a list of words. Puzzles up to 10x10 with at most 10 words are free and unlimited; bigger fill_word_search — Completes a word search: takes the grid from generate_word_search (empty cells are "-") and fills them with random letters in the chosen lanstylize_text — Turns text into Unicode styles for social media bios and posts: bold, italic, script, fraktur, monospace, circled, squared, fullwidth, smalllist_styles — The Unicode text styles stylize_text offers, with the id to pass, an English name and a category (bold-italic, sans, script, gothic, mono, ecrossword — Lays out a crossword from words with clues. Returns two matrices of the same size: puzzle (the game position: "-" is a blank cell, a word's sudoku — Creates a sudoku with exactly one solution. Returns puzzle (0 = empty cell) and solution. Sizes 4, 6, 9 (default), 12 and 16; difficulty 1 esolve_sudoku — Solves a sudoku grid (0 = empty cell; sizes 4, 6, 9, 12, 16) and says whether the solution is the only one. Free, no usage limit.list_languages — Languages Lettras supports, with the native letters each one adds to its grid alphabet.Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.