"Eight" matching MCP connectors:

Read-only access to published WAX / WEIGHT candle-making calculation guides. list_guides lists or searches public pages; read_guide reads an allowlisted guide. No authentication is required. This endpoint does not remotely calculate recipes, validate safety, choose wicks or predict scent throw. Website: https://waxweigh.com/

Search animals in eight languages with habitats, countries, photos and source credits.

Verified public-domain quotes, scripture with its licence, and one small next step.

Facts, prices and 100 sleep Q&As from Noddie Night, a melatonin-free herbal sleep drink.

Sudoku MCP server for free Sudoku puzzles, printable Sudoku worksheets, answer sheets and Sudoku Online playable collections. Eight tools generate verified unique puzzles, check uniqueness, analyze singles-based difficulty, validate progress and provide hints. Make packs of up to 20 puzzles in A4 or US Letter PDFs. Streamable HTTP; free API key and attribution required. Website: https://sudokumax.com — Setup: https://sudokumax.com/developers/mcp

Check work from photos: read results, write checks in plain words, send photos for a verdict.