Lettras word search

org.lettras/word-search · v0.5.0 · productivity

Lettras word search is healthy: it completed an MCP handshake in 773 ms and exposes 8 tools.

Word searches, crosswords, sudoku and Unicode text styles in 6 languages, accents kept.

Endpoint: https://mcp.lettras.org/mcp (streamable-http)

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Facts

Users (last 30 days)0
HandshakeHealthy
Auth neededNone
Tool count8
Latency773 ms
Last checked (UTC)2026-10-16T19:35:44.709Z

Health history

Checked (UTC)StatusLatencyError
2026-10-16T19:35:44.709ZHealthy773
2026-10-15T13:05:14.375ZHealthy1204

Tools (8)

generate_word_searchCreate 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 ones use the free puzzles each client gets. Keeps native letters (Ñ, Ç, Ã, Ä, ẞ, È…) as one cell each. Returns the grid, where every word is hidden, and any wor
fill_word_searchCompletes a word search: takes the grid from generate_word_search (empty cells are "-") and fills them with random letters in the chosen language, with accents on or off. Letters follow how common they are in that language. Pass the puzzle's words so the filler never creates an extra copy of one.
stylize_textTurns text into Unicode styles for social media bios and posts: bold, italic, script, fraktur, monospace, circled, squared, fullwidth, small caps, strikethrough, underline and more (22 styles). Accents are kept: an accented letter becomes its styled base letter plus the combining accent (ñ, ç, ü, ß
list_stylesThe Unicode text styles stylize_text offers, with the id to pass, an English name and a category (bold-italic, sans, script, gothic, mono, enclosed, decoration, other).
crosswordLays 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 number is on its first cell, "0" marks the other cells where a letter goes, and "a/d" such as "3/4" appears when an across word and a down word start in the sam
sudokuCreates a sudoku with exactly one solution. Returns puzzle (0 = empty cell) and solution. Sizes 4, 6, 9 (default), 12 and 16; difficulty 1 easy (most clues) to 4 expert. Free, no usage limit. The same seed gives the same sudoku.
solve_sudokuSolves 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_languagesLanguages Lettras supports, with the native letters each one adds to its grid alphabet.