https-certificate-checker

Https Certificate Checker - Auto-activating skill for Security Fundamentals. Triggers on: https certificate checker, https certificate checker Part of the Security Fundamentals skill category.

1.07x

Quality

Does it follow best practices?

Impact

57%

1.07x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/03-security-fundamentals/https-certificate-checker/SKILL.md

Evaluation results

63%

SSL Certificate Expiry Monitor

npm-based certificate expiry monitoring

Criteria

Without context

With context

npm package used

package.json present

30%

Input validation present

20%

33%

Error handling implemented

100%

Days remaining calculated

100%

Urgency flag present

100%

Issuer info included

100%

Multiple domains checked

100%

Structured JSON output

100%

Without context: $0.1880 · 2m 11s · 14 turns · 14 in / 2,934 out tokens

With context: $0.4240 · 1m 21s · 25 turns · 282 in / 5,224 out tokens

50%

TLS Certificate Security Auditor

Certificate security vulnerability detection

Criteria

Without context

With context

npm package used

package.json present

28%

Input validation present

Self-signed detection

40%

20%

Signature algorithm checked

100%

Key size reported

100%

SANs listed

100%

60%

Security findings array

100%

Error handling present

100%

Without context: $0.8583 · 3m 51s · 28 turns · 29 in / 15,882 out tokens

With context: $0.8323 · 3m 20s · 33 turns · 374 in / 13,101 out tokens

63%

HTTPS Certificate Compliance Report Generator

Production-ready certificate compliance reporting

Criteria

Without context

With context

npm package used

package.json present

Input validation present

valid_from field present

100%

valid_until field present

100%

Issuer field present

100%

Subject CN field present

100%

is_currently_valid boolean

37%

100%

Markdown report produced

100%

4+ domains covered

100%

Error handling present

100%

Without context: $0.3773 · 1m 30s · 20 turns · 20 in / 6,373 out tokens

With context: $0.4889 · 1m 43s · 27 turns · 26 in / 6,960 out tokens

Repository: jeremylongshore/claude-code-plugins-plus-skills
Commit: 994edc4

Evaluated: 17 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

SSL Certificate Expiry Monitor TLS Certificate Security Auditor HTTPS Certificate Compliance Report Generator

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