Contrast Checker MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 15 installs a week from npm. Last commit 25 Feb 2026.
MCP - WCAG 2.1 color contrast checker - contrast ratios, compliance and accessible color suggestions
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 contrast-checker-mcp -- npx -y contrast-checker-mcp
{
"mcpServers": {
"contrast-checker-mcp": {
"args": [
"-y",
"contrast-checker-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.contrast-checker-mcp]
command = "npx"
args = ["-y", "contrast-checker-mcp"]
{
"mcpServers": {
"contrast-checker-mcp": {
"args": [
"-y",
"contrast-checker-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"contrast-checker-mcp": {
"args": [
"-y",
"contrast-checker-mcp"
],
"command": "npx"
}
}
}
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