How to Use the Convex MCP in Claude Code

Q: Does Claude Code support all Convex functions?

Use runfunction to call any endpoint by its URL. It works exactly like a standard function call in your code.

Run your Convex backend logic directly from the terminal with Claude Code.

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Connect Convex MCP to Claude Code

Create your Vinkius account to connect Convex 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 Convex with Claude Code

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Headless querying in Claude Code

Use `run_query` to pipe backend data into your shell scripts. This lets you verify production state from your terminal without a browser. It returns raw JSON that you can feed into other CLI tools. Perfect for quick checks during deployment.

Terminal-based mutations for Claude Code

Trigger `run_mutation` via the command line to update state during your build process. Claude Code handles the payload execution. This is ideal for automated cleanup tasks or data migrations. It keeps your terminal workflow moving.

Triggering actions in Claude Code

Call `run_action` to execute backend jobs from your CI/CD pipeline. Claude Code runs the function and returns the exit status. It turns your terminal into a control panel for your backend. You control everything through the CLI.

Setup guide

Set up Convex 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 convex-mcp with a green status indicator.
3

Start using tools

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

Terminal

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

Get your connection token →

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

Get your connection token →

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Common questions about Convex MCP in Claude Code

Run the add command in your terminal using the provided URL. The server will register and show up in your tool list.

Use `run_function` to call any endpoint by its URL. It works exactly like a standard function call in your code.

Yes, it is designed for headless execution. You can chain it with other terminal commands to automate your backend tasks.

Vinkius manages the transport security. You only need to handle the endpoint token.

The server doesn't log your database records. It acts as a transparent bridge for the data you specifically request.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

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