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A11y MCP Server

by rog0x Your server? Claim it
local only

A11y runs on your own machine — the client starts it, so there is no endpoint to ping. 40 installs a week from npm. Last commit 21 Mar 2026.

Alt text, headings, contrast, ARIA for AI agents

Installs per day peak 10 · avg 4 · +208% w/w
a month agotoday
40
Installs / week
npm · @rog0x/mcp-a11y-tools
0
Stars
0 open issues
21 Mar 2026
Last commit
no releases in 90 days
MIT
License
TypeScript

Nothing serious here today

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

Three servers free · no card

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.

run in your terminal
claude mcp add a11y -- npx -y @rog0x/mcp-a11y-tools
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "a11y": {
      "command": "npx",
      "args": [
        "-y",
        "@rog0x/mcp-a11y-tools"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.a11y]
command = "npx"
args = ["-y", "@rog0x/mcp-a11y-tools"]
.cursor/mcp.json
{
  "mcpServers": {
    "a11y": {
      "command": "npx",
      "args": [
        "-y",
        "@rog0x/mcp-a11y-tools"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "a11y": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@rog0x/mcp-a11y-tools"
      ]
    }
  }
}

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answering

A11y — questions

Answers built from our own checks of this server.

Why is there no uptime for A11y?
A11y 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 @rog0x/mcp-a11y-tools was installed 40 times last week.
How do I connect A11y?
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 @rog0x/mcp-a11y-tools straight from npm; nothing to host, nothing to sign up for.
How many people use A11y?
The npm package @rog0x/mcp-a11y-tools was installed 40 times in the last week. Week over week that is +208%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is A11y open source?
Yes — it is published under the MIT licence, written in TypeScript and 0 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.