Datamuse

live Linguistics

English word-relation lookup — synonyms, rhymes, "sounds like", "spelled like", predictive completion. Keyless.

2 tools

0ms auth

free tier 50 calls/day

Tools

find_words

Find English words matching one or more constraints using the Datamuse word-finding engine.

No parameters required.

▶ Try it

Response

suggest

Autocomplete suggestions for a partial word or phrase using the Datamuse engine.

No parameters required.

▶ Try it

Response

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/datamuse/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/datamuse/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"find_words","arguments":{}}}'

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_words", {});

ask_pipeworx

// Or ask in plain English:
const answer = await px.ask("english word-relation lookup — synonyms, rhymes, "sounds like", "spelled like", predictive completion");

Related packs

Other Pipeworx packs in the same categories (Linguistics):

MCP Config

claude_desktop_config.json

{
  "mcpServers": {
    "pipeworx-datamuse": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://gateway.pipeworx.io/datamuse/mcp"
      ]
    }
  }
}