How to Use the Percy MCP in Claude Code

Integrate Percy visual regression testing into your CI/CD pipeline using Claude Code.

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Connect Percy MCP to Claude Code

Create your Vinkius account to connect Percy to Claude Code — we handle the hosting, security, and runtime updates so you don't have to. No server setup required.

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Setup Percy with Claude Code

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Headless visual testing with Claude Code

Run your entire regression workflow from the terminal. Use `list_builds` to monitor your pipeline state and `get_build_details` to verify that your latest commit passed visual review. This is built for automation. You can script the approval process by piping the output of these tools directly into your deployment logic.

Scripted snapshot management for Claude Code

Automate the approval of your UI components. By using `approve_snapshot` within your shell scripts, you can programmatically clear visual diffs that you have already validated. It removes the need for human interaction during routine builds. Your CI/CD environment stays clean and fast.

Deep diagnostic access for Claude Code

Get the technical details you need to debug failures. Tools like `list_comparisons` return the exact diff percentages and browser info you need to identify why a test failed. You can query these details from any environment. It keeps your development cycle tight and focused on the code.

Setup guide

Set up Percy 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 percy-mcp with a green status indicator.
3

Start using tools

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

Terminal

claude mcp add --transport http percy-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 Percy 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": {
    "percy-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 Percy. 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 Percy MCP in Claude Code

Yes. You can use the CLI tools to check build status and approve snapshots as part of your automated deployment pipeline.

Run the appropriate tool command to fetch project names and slugs. It returns the data in a clean format for your terminal output.

It does. You can trigger approval commands from your terminal to move builds through your pipeline without leaving the command line.

You have full access to all 10 tools. They are ready to be called as soon as you connect the server.

Your connection uses a single endpoint token provided during setup. All communication is encrypted, and the server only touches the specific visual metadata required for your build reports.

Use it with your favorite AI tools

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

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