A11y Check MCP Server

by a11ychk Your server? Claim it

local only

A11y Check runs on your own machine — the client starts it, so there is no endpoint to ping. 109 installs a week from npm. Last commit 29 Oct 2026.

Web accessibility scanning (WCAG 2.2 AA + KWCAG 2.2) with Korean remediation guides

Installs per day peak 326 · avg 37 · -61% w/w

a month agotoday

109

Installs / week

npm · @a11ychk/mcp

Stars

0 open issues

29 Oct 2026

Last commit

10 releases in 90 days

Apache-2.0

License

TypeScript

Nothing serious here today

Today is the operative word: we check A11y Check every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp -- npx -y @a11ychk/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@a11ychk/mcp"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.mcp]
command = "npx"
args = ["-y", "@a11ychk/mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@a11ychk/mcp"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@a11ychk/mcp"
      ]
    }
  }
}

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A11y Check — questions

Answers built from our own checks of this server.

Why is there no uptime for A11y Check?

A11y Check runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @a11ychk/mcp was installed 109 times last week.

How do I connect A11y Check?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls @a11ychk/mcp straight from npm; nothing to host, nothing to sign up for.

How many people use A11y Check?

The npm package @a11ychk/mcp was installed 109 times in the last week. Week over week that is -61%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is A11y Check open source?

Yes — it is published under the Apache-2.0 licence, written in TypeScript and 3 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.