{"id":"0d88bafe-8f3b-4f25-8708-e19d13a30afe","shortId":"TJV5R7","kind":"skill","title":"TLS Certificate Chain Validator","tagline":"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.","description":"# TLS Certificate Chain Validator\n\nValidates 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.\n\n## Installation\n\nRequirements and caveats from upstream:\n- In the following example, \"mandatory\" is a vector that must contain\n- If the server successfully selects parameters and does not require a\n- may require rejecting 0-RTT (see Section 4.2.10 ).\n\nBasic usage or getting-started notes:\n- 5.5 . Limits on Key Usage ....................................... 84\n- of protocols that run on top of TLS.\n- following example) is formed (using C notation) by:\n\n- Source: https://datatracker.ietf.org/doc/html/rfc8446\n\n## Source\n\n- [Agent Skill Exchange](https://agentskillexchange.com/skills/tls-certificate-chain-validator/)","tags":["tls","certificate","chain","validator","skills","agentskillexchange","agent-skills","ai-agents","ai-tools","awesome-list","claude-code","codex"],"capabilities":["skill","source-agentskillexchange","skill-tls-certificate-chain-validator","topic-agent-skills","topic-ai-agents","topic-ai-tools","topic-awesome-list","topic-claude-code","topic-codex","topic-cursor","topic-llm","topic-mcp","topic-npx-skills","topic-openclaw","topic-skills-catalog"],"categories":["skills"],"synonyms":[],"warnings":[],"endpointUrl":"https://skills.sh/agentskillexchange/skills/tls-certificate-chain-validator","protocol":"skill","transport":"skills-sh","auth":{"type":"none","details":{"cli":"npx skills add agentskillexchange/skills","source_repo":"https://github.com/agentskillexchange/skills","install_from":"skills.sh"}},"qualityScore":"0.454","qualityRationale":"deterministic score 0.45 from registry signals: · indexed on github topic:agent-skills · 8 github stars · SKILL.md body (880 chars)","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"deterministic:skill-github:v1","enrichmentVersion":1,"enrichedAt":"2026-05-18T19:12:51.467Z","embedding":null,"createdAt":"2026-05-18T13:19:57.625Z","updatedAt":"2026-05-18T19:12:51.467Z","lastSeenAt":"2026-05-18T19:12:51.467Z","tsv":"'/doc/html/rfc8446':141 '/skills/tls-certificate-chain-validator/)':148 '0':104 '4.2.10':108 '5.5':116 '84':121 'acm':23,59 'agent':143 'agentskillexchange.com':147 'agentskillexchange.com/skills/tls-certificate-chain-validator/)':146 'alert':29,65 'api':36,72 'autom':26,62 'basic':109 'c':135 'caveat':76 'certif':2,7,27,38,43,63 'chain':3,8,39,44 'check':14,50 'contain':89 'crt.sh':35,71 'ct':31,67 'datatracker.ietf.org':140 'datatracker.ietf.org/doc/html/rfc8446':139 'encrypt':22,58 'exampl':82,131 'exchang':145 'follow':81,130 'form':133 'get':113 'getting-start':112 'instal':73 'integr':18,54 'key':119 'let':20,56 'limit':117 'log':32,68 'mandatori':83 'may':101 'monitor':33,69 'must':88 'notat':136 'note':115 'ocsp':15,51 'openssl':10,46 'paramet':95 'protocol':24,60,123 'reject':103 'renew':28,64 'requir':74,99,102 'rtt':105 'run':125 'section':107 'see':106 'select':94 'server':92 'skill':144 'skill-tls-certificate-chain-validator' 'sourc':138,142 'source-agentskillexchange' 'stapl':16,52 'start':114 'status':17,53 'success':93 'tls':1,37,129 'tls/ssl':6,42 'top':127 'topic-agent-skills' 'topic-ai-agents' 'topic-ai-tools' 'topic-awesome-list' 'topic-claude-code' 'topic-codex' 'topic-cursor' 'topic-llm' 'topic-mcp' 'topic-npx-skills' 'topic-openclaw' 'topic-skills-catalog' 'upstream':78 'usag':110,120 'use':9,45,134 'valid':4,5,40,41 'vector':86 'verif':12,48 'via':34,70 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open catalog of AI agent skills — 2,000+ security-scanned skills for Claude Code, Cursor, Codex, and more.","skill_md_sha":"e74299324839af3f26ed3af38a1fae8b65983fbb","skill_md_path":"skills/tls-certificate-chain-validator/SKILL.md","default_branch":"main","skill_tree_url":"https://github.com/agentskillexchange/skills/tree/main/skills/tls-certificate-chain-validator"},"layout":"multi","source":"github","category":"skills","frontmatter":{"name":"TLS Certificate Chain Validator","description":"Validates TLS/SSL certificate chains using OpenSSL x509 verification and checks OCSP stapling status. 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