certindex-mcp
io.github.certindex/certindex-mcp
About certindex-mcp
certindex-mcp is an MCP server published by the GitHub account certindex. Certificate Transparency search for AI agents: certs, subdomains, issuance history, expiry.
It runs on your own machine: your AI client starts it from the PyPI package certindex-mcp at version 0.2.0.
It asks for one secret: CERTINDEX_API_KEY. Give it a key with the least access that still works.
Version 0.2.0 was published on 28 July 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 0 warn, 0 fail, 2 info. How we check.
What it asks for
| Variable | Required | Secret | Description |
|---|---|---|---|
CERTINDEX_API_KEY | Yes | Yes | CertIndex API key (free tier at https://ctindex.io) |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/certindex/certindex-mcp |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Info | Asks for 1 secret: CERTINDEX_API_KEY |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via GitHub account certindex |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | certindex-mcp 0.2.0 has no setup.py; nothing runs at install |
| Code red flags | Pass | Read 12 files in certindex-mcp 0.2.0: no obfuscation, encoded execution, credential reads or data-collection endpoints found |
| Text aimed at the AI | Pass | No hidden characters or instructions to the AI in 12 files, including comments and the README |
Popularity & health: 53 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
1 forks, 2 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | io.github.certindex/certindex-mcp |
|---|---|
| Publisher | GitHub account certindex |
| How the name is verified | Name verified via GitHub account certindex. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Local: runs on your machine from a package |
| Packages | pypi certindex-mcp 0.2.0 (stdio) |
| Version | 0.2.0 |
| Published | |
| Last updated | |
| Source repository | https://github.com/certindex/certindex-mcp |
| Website | https://ctindex.io?ref=mcp-registry |
| Category | Search & web (assigned by keyword rule, not by hand) |
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