How to Use the DictionaryAPI.dev MCP in Claude Code

Q: How do I add the DictionaryAPI.dev MCP Server to my Claude Code configuration?

Run the claude mcp add command in your terminal, specifying the HTTP transport and the server URL. Make sure to place all configuration flags before the server name.

Query word definitions, phonetics, and origins directly from your terminal using Claude Code.

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Connect DictionaryAPI.dev MCP to Claude Code

Create your Vinkius account to connect DictionaryAPI.dev to Claude Code and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup DictionaryAPI.dev with Claude Code

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Terminal-based linguistic lookups with Claude Code

The `get_word_definition` tool brings instant dictionary lookups straight to your command-line interface. SREs and backend developers can query definitions or phonetic structures without switching away from their SSH sessions. You pipe text directly into the CLI, and the agent resolves the linguistic data. It allows you to quickly check terminology during server configurations or script writing.

Automating doc validation in CI/CD pipelines

The `get_word_definition` tool can be triggered within headless environments to validate documentation scripts. If a technical term in your build pipeline fails validation, the agent queries the dictionary to find alternative definitions. This keeps your automated deployment pipelines green and your documentation accurate. The CLI executes the check, logs the outputs, and exits with standard shell codes.

Shell script terminology checks via this MCP Server

The `get_word_definition` tool lets you write shell scripts that verify user inputs against a live English dictionary. You can pass terminal arguments to the agent to parse origins and phonetics dynamically. This makes your CLI tools smarter by validating semantic inputs before processing them. The agent handles the JSON output parsing and feeds it directly back to your terminal stdout.

Setup guide

Set up DictionaryAPI.dev MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see dictionaryapidev-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest DictionaryAPI.dev transactions." It will automatically discover and invoke the available DictionaryAPI.dev tools.

Terminal

claude mcp add --transport http dictionaryapidev-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

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Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the DictionaryAPI.dev MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "dictionaryapidev-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by DictionaryAPI.dev. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about DictionaryAPI.dev MCP in Claude Code

Run the `claude mcp add` command in your terminal, specifying the HTTP transport and the server URL. Make sure to place all configuration flags before the server name.

Yes, you can feed text streams from other terminal utilities into the CLI. The agent will read the incoming words and execute the lookup tool for each one.

It runs over secure HTTP/SSE transport managed by Vinkius. This ensures reliable, lightweight MCP connections directly from your command-line environment.

Yes, because the CLI runs entirely in the terminal with no GUI dependencies. You can initialize the server in any Linux environment or remote SSH session.

Only the plain-text English words sent for lookup are processed by the dictionary endpoint. Vinkius runs the server in an isolated, zero-trust MCP container to prevent your terminal history or environment variables from leaking.

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