# TLS Certificate Chain Validator

> Validates TLS/SSL certificate chains using OpenSSL x509 verification and checks OCSP stapling status. Integrates with Let's Encrypt ACME protocol for automated certificate renewal alerts and CT log monitoring via crt.sh API.

- Skill: `agentskillexchange/tls-certificate-chain-validator` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/tls-certificate-chain-validator`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/tls-certificate-chain-validator/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/tls-certificate-chain-validator

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# TLS Certificate Chain Validator

Validates TLS/SSL certificate chains using OpenSSL x509 verification and checks OCSP stapling status. Integrates with Let's Encrypt ACME protocol for automated certificate renewal alerts and CT log monitoring via crt.sh API.

## Installation

Requirements and caveats from upstream:
- In the following example, "mandatory" is a vector that must contain
- If the server successfully selects parameters and does not require a
- may require rejecting 0-RTT (see Section 4.2.10 ).

Basic usage or getting-started notes:
- of protocols that run on top of TLS.
- following example) is formed (using C notation) by:

- Source: https://datatracker.ietf.org/doc/html/rfc8446

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/tls-certificate-chain-validator/)