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Snapdiff MCP server

by snapdiff.ai·ai.snapdiff/mcp·v0.5.0·5 stars
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Visual-diff & change-detection tools that catch agentic UI drift for coding agents.

B72/100grade B
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Safety scan
B72/100

full report

Adoption
Growing

5 stars66 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Snapdiff tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.10 · 2026-10-14 · same rubric, same numbers if you re-run it

no findings
  • Code scan25 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 33 days ago12/15
  • Maintainer identitynamespace and repository owner differ4/10
Overall 72/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Snapdiff compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
72/100
higher than 37% of 48,243 servers
GitHub stars
5
more than 83% of 28,706 servers
Downloads a week
66
more than 51% of 12,306 servers with a package

Install Snapdiff in Claude Code, Cursor or VS Code

Runs npx -y @corralimited/snapdiff-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add mcp -- npx -y @corralimited/snapdiff-mcp
Add to Cursor

What the publisher says

From the Snapdiff repository's README, as published. We do not edit it. Read it on GitHub

@corralimited/snapdiff-mcp

Standalone MCP server for SnapDiff. Exposes four tools to local agents:

  • Compare two web pages visually — diff percentage plus a highlighted diff image
  • Capture a screenshot of any URL
  • Check whether a page changed vs. a previous capture
  • Render HTML/CSS to an image (OG cards, social images, email headers)

Hits the public SnapDiff REST API. Bring your own API key.

Quickstart

Get an API key at https://snapdiff.ai/dashboard, then drop the snippet for your agent below.

Claude Code

claude mcp add snapdiff -e SNAPDIFF_API_KEY=sk_live_... -- npx -y @corralimited/snapdiff-mcp

Or edit ~/.claude/settings.json:

{
  "mcpServers": {
    "snapdiff": {
      "command": "npx",
      "args": ["-y", "@corralimited/snapdiff-mcp"],
      "env": { "SNAPDIFF_API_KEY": "sk_live_..." }
    }
  }
}

Cursor

~/.cursor/mcp.json (or project-level .cursor/mcp.json):

{
  "mcpServers": {
    "snapdiff": {
      "command": "npx",
      "args": ["-y", "@corralimited/snapdiff-mcp"],
      "env": { "SNAPDIFF_API_KEY": "sk_live_..." }
    }
  }
}

Cline (VS Code)

Cline > MCP Servers > Edit Config:

{
  "mcpServers": {
    "snapdiff": {
      "command": "npx",
      "args": ["-y", "@corralimited/snapdiff-mcp"],
      "env": { "SNAPDIFF_API_KEY": "sk_live_..." }
    }
  }
}

Zed

~/.config/zed/settings.json:

{
  "context_servers": {
    "snapdiff": {
      "command": {
        "path": "npx",
        "args": ["-y", "@corralimited/snapdiff-mcp"],
        "env": { "SNAPDIFF_API_KEY": "sk_live_..." }
      }
    }
  }
}

Continue

~/.continue/config.yaml:

mcpServers:
  - name: snapdiff
    command: npx
    args: ["-y", "@corralimited/snapdiff-mcp"]
    env:
      SNAPDIFF_API_KEY: sk_live_...

Anything else with a generic stdio MCP slot

command: npx
args:    -y @corralimited/snapdiff-mcp
env:     SNAPDIFF_API_KEY=sk_live_...

Tools

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Snapdiff: common questions

Is Snapdiff MCP server safe?
Mostly: it is graded B (72/100). Read the Snapdiff safety report
How do I install Snapdiff?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Snapdiff need an API key?
Yes. The registry entry asks for SNAPDIFF_API_KEY.
Is Snapdiff maintained?
The last commit was 55 days ago (2026-09-11). The latest release is v0.5.0.
How does Snapdiff compare with other MCP servers?
safety score 72/100 (higher than 37% of 48,243 servers); github stars 5 (more than 83% of 28,706 servers); downloads a week 66 (more than 51% of 12,306 servers with a package). Full comparison.