Atag MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 51 installs a week from npm. Last commit 7 Jul 2026.
ATAG 2.0 (Authoring Tool Accessibility Guidelines) guidance for authoring tool developers
Today is the operative word: we check Atag MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 mcp add atag-mcp -- npx -y atag-mcp
{
"mcpServers": {
"atag-mcp": {
"command": "npx",
"args": [
"-y",
"atag-mcp"
]
}
}
}
[mcp_servers.atag-mcp]
command = "npx"
args = ["-y", "atag-mcp"]
{
"mcpServers": {
"atag-mcp": {
"command": "npx",
"args": [
"-y",
"atag-mcp"
]
}
}
}
{
"servers": {
"atag-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"atag-mcp"
]
}
}
}
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Answers built from our own checks of this server.