dev.dungbeetle/mcp

Official

Visual regression & snapshot testing for AI agents — list runs, read semantic diffs, review.

Visual regression and snapshot testing tool for AI agents to detect UI changes.

visual testingregression testingsnapshot testingui testingsemantic diff

Install

Configuration

Environment variables

DUNGBEETLE_AGENT_TOKENsecret

Scoped, revocable agent token minted via `dungbeetle login` (recommended).

DUNGBEETLE_CLIENT_ID

Repository client id (CI-style alternative to an agent token).

DUNGBEETLE_CLIENT_SECRETsecret

Repository client secret (pairs with DUNGBEETLE_CLIENT_ID).

DUNGBEETLE_SERVER_URL

Server origin; only needed when self-hosting (default https://dungbeetle.dev).

claude_desktop_config.json

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "dungbeetle-mcp@0.1.0"
      ],
      "env": {
        "DUNGBEETLE_AGENT_TOKEN": "<YOUR_DUNGBEETLE_AGENT_TOKEN>",
        "DUNGBEETLE_CLIENT_ID": "<YOUR_DUNGBEETLE_CLIENT_ID>",
        "DUNGBEETLE_CLIENT_SECRET": "<YOUR_DUNGBEETLE_CLIENT_SECRET>",
        "DUNGBEETLE_SERVER_URL": "<YOUR_DUNGBEETLE_SERVER_URL>"
      }
    }
  }
}