Tests URLs and HTML against WCAG 2.0, 2.1 and 2.2 with axe-core, including color contrast and ARIA checks.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add a11y -- npx -y a11y-mcp-server~/.codex/config.toml
[mcp_servers.a11y]
command = "npx"
args = ["-y", "a11y-mcp-server"]
# codex mcp add a11y -- npx -y a11y-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"a11y": {
"command": "npx",
"args": [
"-y",
"a11y-mcp-server"
]
}
}
}.vscode/mcp.json
{
"servers": {
"a11y": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"a11y-mcp-server"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"a11y": {
"command": "npx",
"args": [
"-y",
"a11y-mcp-server"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"a11y": {
"command": "npx",
"args": [
"-y",
"a11y-mcp-server"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"a11y": {
"command": "npx",
"args": [
"-y",
"a11y-mcp-server"
]
}
}
}