Certificate Transparency search for AI agents: certs, subdomains, issuance history, expiry.
Connect Runs on your machine
claude mcp add certindex-mcp -e CERTINDEX_API_KEY=<CERTINDEX_API_KEY> -- uvx certindex-mcp==0.2.0
{
"mcpServers": {
"certindex-mcp": {
"command": "uvx",
"args": [
"certindex-mcp==0.2.0"
],
"env": {
"CERTINDEX_API_KEY": "<CERTINDEX_API_KEY>"
}
}
}
}
{
"mcpServers": {
"certindex-mcp": {
"command": "uvx",
"args": [
"certindex-mcp==0.2.0"
],
"env": {
"CERTINDEX_API_KEY": "<CERTINDEX_API_KEY>"
}
}
}
}
{
"servers": {
"certindex-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"certindex-mcp==0.2.0"
],
"env": {
"CERTINDEX_API_KEY": "<CERTINDEX_API_KEY>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
CERTINDEX_API_KEYRequired, secret | CertIndex API key (free tier at https://ctindex.io) |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 28 Jul 2026 |
| Last updated | 28 Jul 2026 |
| Registry name | io.github.certindex/certindex-mcp |
More search and web servers See all
Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.
