{"name":"thesaurus","description":"Thesaurus / synonyms / antonyms / similar words / rhymes / Datamuse / paraphrasing / query expansion. Returns related words for a given input word, configurable across five modes: 'synonyms' (rel_syn), 'antonyms' (rel_ant), 'sounds_like' (homophones / rhymes), 'similar_meaning' (semantically near), or 'related' (commonly co-occurring triggers). Wraps the public Datamuse API — no auth, commercial-OK.","price":"$0.002","method":"POST","input_schema":{"properties":{"word":{"type":"string","description":"Single English word to look up."},"mode":{"type":"string","enum":["synonyms","antonyms","sounds_like","similar_meaning","related"],"description":"Relation type. Default 'synonyms'."},"limit":{"type":"number","description":"Max results to return. 1-50. Default 20."}},"required":["word"]},"input_example":{"word":"happy","mode":"synonyms","limit":10},"output_example":{"word":"happy","mode":"synonyms","results":[{"word":"felicitous","score":53634},{"word":"glad","score":38273},{"word":"joyful","score":31250},{"word":"cheerful","score":24611}],"source":"https://www.datamuse.com"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}