# How to connect Dictionary api to Claude Cowork

```json
{
  "title": "How to connect Dictionary api to Claude Cowork",
  "toolkit": "Dictionary api",
  "toolkit_slug": "dictionary_api",
  "framework": "Claude Cowork",
  "framework_slug": "claude-cowork",
  "url": "https://composio.dev/toolkits/dictionary_api/framework/claude-cowork",
  "markdown_url": "https://composio.dev/toolkits/dictionary_api/framework/claude-cowork.md",
  "updated_at": "2026-05-12T10:08:42.039Z"
}
```

## Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.
This guide walks you through the easiest and most secure way to connect your Dictionary api account to Cowork via Composio Connect, enabling it to get the definition and synonyms for 'ubiquitous', find the origin and pronunciation of 'serendipity', list antonyms for the word 'ambiguous', and more such actions on your behalf without compromising your account security.

## Also integrate Dictionary api with

- [OpenAI Agents SDK](https://composio.dev/toolkits/dictionary_api/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/dictionary_api/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/dictionary_api/framework/claude-code)
- [Codex](https://composio.dev/toolkits/dictionary_api/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/dictionary_api/framework/openclaw)
- [Hermes](https://composio.dev/toolkits/dictionary_api/framework/hermes-agent)
- [CLI](https://composio.dev/toolkits/dictionary_api/framework/cli)
- [Google ADK](https://composio.dev/toolkits/dictionary_api/framework/google-adk)
- [LangChain](https://composio.dev/toolkits/dictionary_api/framework/langchain)
- [Vercel AI SDK](https://composio.dev/toolkits/dictionary_api/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/dictionary_api/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/dictionary_api/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/dictionary_api/framework/crew-ai)

## Connect Dictionary api to Claude Cowork

### Connecting Dictionary api to Claude Cowork
1. Open Customize
In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.
2. Add the Composio MCP server
Click Add custom connector and paste in the Composio MCP server URL:

```bash
https://connect.composio.dev/mcp
```

## What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.
With Composio Connect, Cowork can securely access apps like Dictionary api through MCP without you sharing account credentials directly with the agent.

## What is the Dictionary api MCP server, and what's possible with it?

The Dictionary api MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Dictionary api account. It provides structured and secure access to comprehensive dictionary and thesaurus data, so your agent can look up definitions, explore word origins, access pronunciations, and discover synonyms or antonyms on your behalf.
- Instant word definition lookup: Ask your agent to fetch clear, detailed definitions for any word you encounter.
- Etymology and origin insights: Let the agent retrieve the historical roots and language origin of specific words for deeper understanding.
- Audio pronunciation access: Have your agent provide accurate audio pronunciations, helping with proper usage and learning.
- Synonyms and antonyms discovery: Quickly find synonyms and antonyms to enrich your vocabulary or refine your writing style.
- Comprehensive lexical information: Enable your agent to surface all available meanings, usage examples, and nuanced word senses for precise communication.

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `DICTIONARY_API_GET_WORD_DEFINITION_V2` | Get Word Definition | 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 powered by Wiktionary data. Returns detailed word information including multiple definitions grouped by part of speech, pronunciation audio, example sentences, and related words. Ideal for language learning, writing assistance, and vocabulary exploration. Note: Primarily supports English ('en'). Other languages may have limited coverage. |

## Supported Triggers

None listed.

## Creating MCP Server - Stand-alone vs Composio SDK

The Dictionary api MCP server connects Claude Cowork to your Dictionary api account through Composio. Once connected, Cowork can use the available Dictionary api tools and triggers to complete tasks on your behalf.

## Complete Code

None listed.

## How to build Dictionary api MCP Agent with another framework

- [OpenAI Agents SDK](https://composio.dev/toolkits/dictionary_api/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/dictionary_api/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/dictionary_api/framework/claude-code)
- [Codex](https://composio.dev/toolkits/dictionary_api/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/dictionary_api/framework/openclaw)
- [Hermes](https://composio.dev/toolkits/dictionary_api/framework/hermes-agent)
- [CLI](https://composio.dev/toolkits/dictionary_api/framework/cli)
- [Google ADK](https://composio.dev/toolkits/dictionary_api/framework/google-adk)
- [LangChain](https://composio.dev/toolkits/dictionary_api/framework/langchain)
- [Vercel AI SDK](https://composio.dev/toolkits/dictionary_api/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/dictionary_api/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/dictionary_api/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/dictionary_api/framework/crew-ai)

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## Frequently Asked Questions

### What are the differences in Tool Router MCP and Dictionary api MCP?

With a standalone Dictionary api MCP server, the agents and LLMs can only access a fixed set of Dictionary api tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Dictionary api and many other apps based on the task at hand, all through a single MCP endpoint.

### Can I use Tool Router MCP with Claude Cowork?

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Dictionary api tools.

### Can I manage the permissions and scopes for Dictionary api while using Tool Router?

Yes, absolutely. You can configure which Dictionary api scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

### How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Dictionary api data and credentials are handled as safely as possible.

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