Certindex MCP Server
by certindexio.github.certindex/certindex-mcpv0.2.0
Certificate Transparency search for AI agents: certs, subdomains, issuance history, expiry.
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Active2d ago
Install Certindex MCP server
Install in Claude Code
claude mcp add certindex -e CERTINDEX_API_KEY='<certindex-api-key>' -- uvx certindex-mcpInstall in Cursor
{
"mcpServers": {
"certindex": {
"command": "uvx",
"args": [
"certindex-mcp"
],
"env": {
"CERTINDEX_API_KEY": "<certindex-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"certindex": {
"command": "uvx",
"args": [
"certindex-mcp"
],
"env": {
"CERTINDEX_API_KEY": "<certindex-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"certindex": {
"type": "stdio",
"command": "uvx",
"args": [
"certindex-mcp"
],
"env": {
"CERTINDEX_API_KEY": "<certindex-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"certindex": {
"command": "uvx",
"args": [
"certindex-mcp"
],
"env": {
"CERTINDEX_API_KEY": "<certindex-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CERTINDEX_API_KEY | yes | yes | CertIndex API key (free tier at https://ctindex.io) |
Freshness
Active — last maintenance signal 2d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-08 · 2d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-07-28 · 2mo ago · official registry · v0.2.0
FAQ
›How do I install the Certindex MCP server in Claude Code?
Run: claude mcp add certindex -e CERTINDEX_API_KEY='<certindex-api-key>' -- uvx certindex-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Certindex require an API key?
Yes. It expects CERTINDEX_API_KEY, of which 1 is a secret.
›Can I use Certindex as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Certindex in the official MCP registry?
Yes, as io.github.certindex/certindex-mcp.