SyteCheck runs on your own machine — the client starts it, so there is no endpoint to ping. 256 installs a week from npm. Last commit 29 Oct 2026.
Scan a website for SEO, accessibility, performance and security issues, and read the report.
Nothing serious here today
Today is the operative word: we check SyteCheck every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
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 sytecheck-mcp -e 'SYTECHECK_API_KEY=<SYTECHECK_API_KEY>' -- npx -y @ascentws/sytecheck-mcp{
"mcpServers": {
"sytecheck-mcp": {
"command": "npx",
"args": [
"-y",
"@ascentws/sytecheck-mcp"
],
"env": {
"SYTECHECK_API_KEY": "<SYTECHECK_API_KEY>"
}
}
}
}[mcp_servers.sytecheck-mcp]
command = "npx"
args = ["-y", "@ascentws/sytecheck-mcp"]
env = { SYTECHECK_API_KEY = "<SYTECHECK_API_KEY>" }{
"mcpServers": {
"sytecheck-mcp": {
"command": "npx",
"args": [
"-y",
"@ascentws/sytecheck-mcp"
],
"env": {
"SYTECHECK_API_KEY": "<SYTECHECK_API_KEY>"
}
}
}
}{
"servers": {
"sytecheck-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@ascentws/sytecheck-mcp"
],
"env": {
"SYTECHECK_API_KEY": "<SYTECHECK_API_KEY>"
}
}
}
}Put your own value in place of
<SYTECHECK_API_KEY> (SyteCheck API key, created at Account -> API keys on sytecheck.app. Begins with sck_).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
SYTECHECK_API_URL (API base URL. Only set this to point at a non-production SyteCheck instance).
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SyteCheck — questions
Answers built from our own checks of this server.