Words

liveReference

Find synonyms, antonyms, rhymes, related words, and autocomplete via the Datamuse API

5tools
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free tier50 calls/day

Tools

find_synonymsrequired: word

Find synonyms for a word, ranked by similarity score.

Parameters
NameTypeDescription
wordreqstringThe word to find synonyms for
limitoptnumberMaximum number of results to return (default: 10)
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find_rhymesrequired: word

Find words that rhyme with a given word, ranked by score.

Parameters
NameTypeDescription
wordreqstringThe word to find rhymes for
limitoptnumberMaximum number of results to return (default: 10)
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autocompleterequired: prefix

Get word completions from a prefix. Useful for autocomplete and spelling suggestions.

Parameters
NameTypeDescription
prefixreqstringThe prefix to autocomplete (e.g. "hel" returns "hello", "help", etc.)
limitoptnumberMaximum number of results to return (default: 10)
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find_words

Advanced word search. Find words matching a combination of meaning, pronunciation, and spelling constraints.

Parameters
NameTypeDescription
meaning_likeoptstringFind words with meaning similar to this phrase
sounds_likeoptstringFind words that sound like this word
spelled_likeoptstringFind words spelled like this pattern (use * as wildcard, e.g. "b*ttle")
limitoptnumberMaximum number of results to return (default: 10)
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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/words/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/words/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"find_synonyms","arguments":{"word": "hello world"}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("find_synonyms", {"word":"example"});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("find synonyms, antonyms, rhymes, related words, and autocomplete via the datamuse api");