Validates HTML and CSS with W3C validators, audits technical SEO and accessibility, checks JSON-LD and links, and takes screenshots.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add web-validator -- npx -y mcp-web-validator~/.codex/config.toml
[mcp_servers.web-validator]
command = "npx"
args = ["-y", "mcp-web-validator"]
# codex mcp add web-validator -- npx -y mcp-web-validator~/.cursor/mcp.json
{
"mcpServers": {
"web-validator": {
"command": "npx",
"args": [
"-y",
"mcp-web-validator"
]
}
}
}.vscode/mcp.json
{
"servers": {
"web-validator": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-web-validator"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"web-validator": {
"command": "npx",
"args": [
"-y",
"mcp-web-validator"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"web-validator": {
"command": "npx",
"args": [
"-y",
"mcp-web-validator"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"web-validator": {
"command": "npx",
"args": [
"-y",
"mcp-web-validator"
]
}
}
}Remote
claude mcp add --transport http web-validator https://web-validator-mcp.digestseo.com/mcp~/.codex/config.toml
[mcp_servers.web-validator]
url = "https://web-validator-mcp.digestseo.com/mcp"
# codex mcp add web-validator --url https://web-validator-mcp.digestseo.com/mcp~/.cursor/mcp.json
{
"mcpServers": {
"web-validator": {
"url": "https://web-validator-mcp.digestseo.com/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"web-validator": {
"type": "http",
"url": "https://web-validator-mcp.digestseo.com/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"web-validator": {
"httpUrl": "https://web-validator-mcp.digestseo.com/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"web-validator": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://web-validator-mcp.digestseo.com/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"web-validator": {
"url": "https://web-validator-mcp.digestseo.com/mcp"
}
}
}