Datamuse

Development

api.datamuse.com

A word-finding engine: rhymes, near-rhymes, synonyms, antonyms, words with a given meaning, spelling patterns, related adjectives and nouns, with scores and syllable counts.

Runs on your machine under the source's own terms

The crw MCP on your computer calls Datamuse directly. Calls cost no credits and the data does not pass through fastCRW. Install it once for Claude Code, Cursor, Codex, Windsurf, Gemini CLI or OpenCode, with your fastCRW API key in place of the placeholder:

Read the docs

Capabilities (1)

datamuse/searchFree, runs locally

Up to 100 words matching the constraints you supply (rhyme, meaning, spelling pattern, related words), each with a score and syllable count.

rel_rhyrel_rhy?rel_nry?rel_trg?rel_syn?rel_ant?ml?sp?sl?q?max?

Licence

If you'd like to use this in a customer-facing application, or if you need a custom vocabulary, or if you plan to make more than 100,000 requests per day, please describe your application (and a traffic estimate) in a message to us .

https://www.datamuse.com/api/

Attribution

Display this wherever you show the data. It arrives on every response as provenance.attributionText.

Source: Datamuse (datamuse.com).

Read the docs Back to the catalog