# Dictionary Api — MCP server on mcp.ai
> Connect your Dictionary Api account and use 1 tools for education straight from your AI agent. Connect with your own API key. The Merriam-Webster Dictionary API provides developers with access to comprehensive dictionary and thesaurus content, including definitions, etymologies, audio pronunciations, synonyms, and antonyms.

By: mcp.ai · official
Page: https://mcp.ai/dictionary_api

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_dictionary_api?ms=1787291460000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/dictionary_api/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/dictionary_api/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/dictionary_api/skill.md
Postman collection (v2.1): https://mcp.ai/dictionary_api/postman.json

## Tools
- dictionary_api_get_word_definition_v2(word: string, language?: string) — Retrieve comprehensive dictionary data for a word including definitions, phonetics, etymology, synonyms, and antonyms. Uses the Free Dictionary API (dictionaryapi.dev) - a free, open-source dictionary

## Example prompts
- "What can I do in Dictionary Api?"
- "Show me a summary of my Dictionary Api account"

## Links
Docs: https://mcp.ai/docs/mcps/dictionary_api
Website: https://mcp.ai/mcps/dictionary_api