Check SSL/TLS certificate validity, expiry, issuer, chain details, and security grade for any domain. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Ssl Checker X402 is an MCP project maintained in the br0ski777/ssl-checker-x402 repository. The maintainer describes its purpose as “Check SSL/TLS certificate validity, expiry, issuer, chain details, and security grade for any domain. Pay-per-call via x402 (USDC on Base L2) -- no API key…”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://ssl-checker.api.klymax402.com/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| security_check_ssl | |
| domain | string |
{
"mcpServers": {
"ssl-checker": {
"url": "https://ssl-checker.api.klymax402.com/mcp"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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