`autocomplete`

Pack: words · Endpoint: https://gateway.pipeworx.io/words/mcp

Return word completions for a given prefix string using the Datamuse suggestion endpoint. Takes a prefix (e.g., “hel”) and returns matching words ranked by score (e.g., “hello”, “help”, “helpless”).

Parameters

Name	Type	Required	Description
`prefix`	string	yes	The prefix to autocomplete (e.g. “hel” returns “hello”, “help”, etc.)
`limit`	number	no	Maximum number of results to return (default: 10)

Example call

Arguments

{
  "prefix": "hel"
}

curl

curl -X POST https://gateway.pipeworx.io/words/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"autocomplete","arguments":{"prefix":"hel"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('autocomplete', {
  "prefix": "hel"
});

More examples

{
  "prefix": "inter",
  "limit": 12
}

Response shape

Always returns: prefix, results

Field	Type	Description
`prefix`	string	The prefix that was autocompleted
`results`	array	List of word completions ranked by score

Full JSON Schema

{
  "type": "object",
  "properties": {
    "prefix": {
      "type": "string",
      "description": "The prefix that was autocompleted"
    },
    "results": {
      "type": "array",
      "description": "List of word completions ranked by score",
      "items": {
        "type": "object",
        "properties": {
          "word": {
            "type": "string",
            "description": "The completed word"
          },
          "score": {
            "type": "number",
            "description": "Completion relevance score"
          }
        },
        "required": [
          "word",
          "score"
        ]
      }
    }
  },
  "required": [
    "prefix",
    "results"
  ]
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "words": {
      "url": "https://gateway.pipeworx.io/words/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

autocomplete