Merriam-Webster Connector for AI agents.
2 live capabilities
Get precise dictionary definitions and synonyms for professional writing.
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Why people use Merriam-Webster
Stop Guessing Word Meanings with Merriam-Webster Dictionary Integration
This Connector changes the game. Your agent pulls directly from the Merriam-Webster Dictionary and Thesaurus to give you the facts. You get the exact definition, the part of speech, and real-world examples in one go. It turns your agent into a professional lexicographer that knows the rules.
What Vinkius changes
Your AI agent gets a reliable, fact-based dictionary instead of guessing.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 6,100+ Connectors
- Real-world use case 01
Verifying word origins for historical fiction
A novelist wants to know if a word sounds too modern for a 19th-century setting.
- Real-world use case 02
Fact-checking technical terms in legal docs
A legal team needs to verify a specific technical term's definition.
- Real-world use case 03
Finding punchier synonyms for social media
A social media manager wants a punchier synonym for 'happy'.
Complete set · 2capabilities
The complete Merriam-Webster capability set.
These are the exact actions your AI can choose when you ask it to work with Merriam-Webster.
01—02
2 capabilities in this set.
Part of 2 available through Merriam-Webster.
- 01 Capability
Get thesaurus
Pull a curated list of synonyms and antonyms to help find the exact right word. This makes it easier to vary your vocabulary and avoid repetitive phrasing.
- 02 Capability
Define word
Get the official definition, part of speech, and pronunciation for any English word. This helps you verify accuracy and understand the proper usage of complex terms.
Set up in minutes
One URL. Then ask Merriam-Webster to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Merriam-Webster from the conversation.
Choose your client
Live previewAdvanced clients IDE · CLI
Claude · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_B8LhReMKH1oF0P7mRNCZXkLd9FMbhdxfwVUtJxcf/mcp - Step 01
Open Connectors
In Claude Web or Claude Desktop, open Settings and choose Connectors.
- Step 02
Add the URL
Choose Add custom connector, name it Merriam-Webster, and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable Merriam-Webster for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_B8LhReMKH1oF0P7mRNCZXkLd9FMbhdxfwVUtJxcf/mcp - Step 01
Open MCP settings
On desktop, open Settings and MCP servers. On web, open your workspace app or connector settings.
- Step 02
Add the URL
Choose Add server with Streamable HTTP, or create a custom MCP app, then paste the Merriam-Webster URL.
- Step 03
Save and start
Save the connection and enable Merriam-Webster in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"merriam-webster": {
"url": "https://edge.vinkius.com/vk_preview_B8LhReMKH1oF0P7mRNCZXkLd9FMbhdxfwVUtJxcf/mcp"
}
}
}- Step 01
Open MCP Settings
Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
- Step 02
Add the server config
Paste the JSON configuration above into the mcp.json file that opens
- Step 03
Save the file
Cursor will automatically detect the new Connector
- Step 04
Start using Merriam-Webster
Open Agent mode in chat and ask: "Using Merriam-Webster, help me...". 2 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"merriam-webster": {
"url": "https://edge.vinkius.com/vk_preview_B8LhReMKH1oF0P7mRNCZXkLd9FMbhdxfwVUtJxcf/mcp"
}
}
}- Step 01
Create MCP config
Create a .vscode/mcp.json file in your project root
- Step 02
Add the server config
Paste the JSON configuration above
- Step 03
Enable Agent mode
Open GitHub Copilot Chat and switch to Agent mode using the dropdown
- Step 04
Start using Merriam-Webster
Ask Copilot: "Using Merriam-Webster, help me...". 2 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"merriam-webster": {
"url": "https://edge.vinkius.com/vk_preview_B8LhReMKH1oF0P7mRNCZXkLd9FMbhdxfwVUtJxcf/mcp"
}
}
}- Step 01
Open MCP Settings
Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
- Step 02
Add the server
Paste the JSON configuration above into mcp_config.json
- Step 03
Save and reload
Windsurf will detect the new server automatically
- Step 04
Start using Merriam-Webster
Open Cascade and ask: "Using Merriam-Webster, help me...". 2 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"merriam-webster": {
"url": "https://edge.vinkius.com/vk_preview_B8LhReMKH1oF0P7mRNCZXkLd9FMbhdxfwVUtJxcf/mcp"
}
}
}- Step 01
Open Cline MCP Settings
Click the Connectors icon in the Cline sidebar panel
- Step 02
Add remote server
Click "Add Connector" and paste the configuration above
- Step 03
Enable the server
Toggle the server switch to ON
- Step 04
Start using Merriam-Webster
Ask Cline: "Using Merriam-Webster, help me...". 2 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add merriam-webster --transport http "https://edge.vinkius.com/vk_preview_B8LhReMKH1oF0P7mRNCZXkLd9FMbhdxfwVUtJxcf/mcp"- Step 01
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
- Step 02
Add the Connector
Run the command above in your terminal
- Step 03
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
- Step 04
Start using Merriam-Webster
Ask Claude: "Using Merriam-Webster, show me...". 2 tools are ready
Where the request belongs
Work Merriam-Webster can move forward.
This is for writers and researchers who need absolute precision. If you are tired of hallucinated definitions or vague synonyms that ruin the flow of your work, this is for you.
Content Editor
Fact-checking word choices in high-stakes publications to ensure every term is used correctly.
Language Student
Learning the subtle differences between near-synonyms and exploring word origins.
Technical Writer
Ensuring formal terminology remains consistent and accurate across complex manuals.
App Developer
Building linguistic features into software using verified, high-quality data.
Build the capability set
Add more capabilities.
Each Connector adds new actions and data without changing how you work.
Browse ConnectorsDictionaryAPI.dev
Access comprehensive English word definitions, phonetics, and usage examples directly through your AI agent.
Wiktionary
Universal linguistic intelligence. get word definitions, etymologies, and examples via AI.
Thesaurus API
Search synonyms and antonyms. audit linguistics via AI.
Corporate Buzzword
Generate random corporate buzzwords and professional phrases to elevate your business speak or add humor to your workflow.
LSI Keyword Finder
Extract semantically related keywords using co-occurrence, synonyms, and morphological variations.
Systran (Machine Translation API)
Professional machine translation and linguistic analysis via Systran. translate text, detect languages, and perform dictionary lookups.
Bring your own AI
Change the model, client or framework. Keep Merriam-Webster connected.
-
Claude -
ChatGPT -
Gemini -
Cursor -
VS Code -
Windsurf -
ZCode -
Cline -
Zed -
Continue -
Kiro -
Roo Code -
Zencoder -
Goose -
Void -
Augment Code -
Amp -
Qodo -
Tabnine -
Pieces -
Sourcegraph Cody -
JetBrains -
Warp -
Amazon Q -
Antigravity -
BoltAI -
Raycast -
Jan -
LM Studio -
AnythingLLM -
Open WebUI -
Msty -
Cherry Studio -
LibreChat -
TypingMind -
Chorus -
5ire -
n8n -
LangChain -
LlamaIndex -
CrewAI -
Vercel AI SDK
Before you connect
Questions about Merriam-Webster.
The practical details behind the request, access and result.
Does the Merriam-Webster MCP provide real definitions?
Yes, it connects your agent to the official Merriam-Webster Dictionary so you get verified facts instead of AI guesses.
Can I use this to find synonyms for my writing?
Absolutely. You can ask your agent to pull lists of synonyms and antonyms to help you find the perfect word for your specific context.
Is this good for students?
It is perfect for students who want to understand the nuances of English grammar and word origins without manual searching.
Will it help with technical writing?
Yes, it is great for ensuring that formal and technical terms are used correctly and consistently in your documentation.
Can it give me real-world examples?
Yes, the Connector allows your agent to fetch authentic sentence examples so you can see how words are actually used in context.
Do I need to be a linguist to use this?
Not at all. You just ask your agent questions in plain English, and it handles the dictionary lookups for you.
Do I need separate API keys for the dictionary and thesaurus?
Yes, Merriam-Webster provides separate keys for the Collegiate Dictionary and the Collegiate Thesaurus. You must provide both in the credentials section to enable all capabilities.
What happens if a word is not found?
If an exact match is not found, the API often returns a list of suggestions. Your agent will display these suggestions to help you find the correct term.
Can I see the part of speech for a word?
Yes! Every definition returned by the define_word capability includes the part of speech (e.g., noun, verb, adjective) next to the word headword.
One connection away
Give your agent a direct line to Merriam-Webster.
Connect Merriam-Webster once. Keep it beside 6,100+ managed Connectors when the next task needs more.
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