WSG Check MCP Server
by ivanoatsio.github.ivanoats/wsg-checkv0.6.0
Check websites against the W3C Web Sustainability Guidelines and look up the guidelines
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freshness
Active9d ago
Install WSG Check MCP server
Install in Claude Code
claude mcp add wsg-check -- npx -y @sustainablewebsites/wsg-check --mcpInstall in Cursor
{
"mcpServers": {
"wsg-check": {
"command": "npx",
"args": [
"-y",
"@sustainablewebsites/wsg-check",
"--mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"wsg-check": {
"command": "npx",
"args": [
"-y",
"@sustainablewebsites/wsg-check",
"--mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"wsg-check": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@sustainablewebsites/wsg-check",
"--mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"wsg-check": {
"command": "npx",
"args": [
"-y",
"@sustainablewebsites/wsg-check",
"--mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| WSG_CHECK_NO_LOCAL | — | — | Set to 1 to block localhost and other loopback URLs, which are allowed by default |
| WSG_CHECK_ALLOW_PRIVATE | — | — | Set to 1 to allow private network URLs (10/8, 172.16/12, 192.168/16) |
Freshness
Active — last maintenance signal 9d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-30 · 9d ago · GitHub
Latest release
2026-09-30 · 9d ago · GitHub · v0.6.1
Package published
no data · npm/PyPI
Registry entry updated
2026-09-26 · 13d ago · official registry · v0.6.0
FAQ
›How do I install the WSG Check MCP server in Claude Code?
Run: claude mcp add wsg-check -- npx -y @sustainablewebsites/wsg-check --mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does WSG Check require an API key?
No required environment variables are declared in its published metadata.
›Can I use WSG Check as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is WSG Check in the official MCP registry?
Yes, as io.github.ivanoats/wsg-check.