# ui-diff-mcp

> Use this tool when you need to compare mobile app screenshots against design mockups to identify visual discrepancies. It solves problems related to design consistency and quality assurance, allowing developers to verify that their app's UI matches the intended design. The tool takes in screenshots and design mockups as inputs and outputs a visual comparison, enabling users to validate their app's UI accuracy.

Canonical page: https://skillsregistry.net/skills/ia23a-lachnita-ui-diff-mcp  
JSON: https://api.skillsregistry.net/v1/skills/ia23a-lachnita-ui-diff-mcp

## Description

Enables comparison of mobile app screenshots against design mockups, with Calorix as the first integration target.

## Trust

- **Trust score (0–1):** 0.68
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** api-integration
- **Updated:** 2026-09-01

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/aj6oso4orm)
- **Repository:** <https://github.com/ia23a-lachnita/ui-diff-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "ia23a-lachnita-ui-diff-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/ia23a-lachnita-ui-diff-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/ia23a-lachnita-ui-diff-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt