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Skill comparison

Compare agent skills before installing.

Put high-signal skills side by side and inspect quality, adoption, freshness, install readiness, use-case fit, and warnings in one place.

Comparing 4 skills

Use this as a shortlist, then open the skill detail page before adopting.

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Decision summary

PHPMailer is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.

Strongest overall

PHPMailer

Use this as a leading candidate, then validate the README and install path in your own agent stack.

Fastest prototype

PHPMailer

Best first install candidate based on install readiness and adoption.

Freshest repo

Castor

Most recent maintenance signal among this shortlist.

SignalCastor

🦫 A lightweight and modern task runner for Automation, CI/CD & DevOps.

PHPMailer

The classic email sending library for PHP

Jc

CLI tool and python library that converts the output of popular command-line tools, file-types, and common strings to JSON, YAML, or Dictionaries. This allows piping of output to tools like jq and simplifying automation scripts.

Jira Cli

🔥 Feature-rich interactive Jira command line.

Quality
85/100
Excellent
100/100
Excellent
100/100
Excellent
99/100
Excellent
Decision verdict
96/100
Production-ready

Use this as a leading candidate, then validate the README and install path in your own agent stack.

100/100
Production-ready

Use this as a leading candidate, then validate the README and install path in your own agent stack.

100/100
Production-ready

Use this as a leading candidate, then validate the README and install path in your own agent stack.

100/100
Production-ready

Use this as a leading candidate, then validate the README and install path in your own agent stack.

Adoption546 stars
0 installs
22K stars
0 installs
8.6K stars
0 installs
5.7K stars
0 installs
FreshnessJun 10, 2026Jun 6, 2026Apr 22, 2026Jan 20, 2026
Use-case fit
Workflow automationCoding agentsGitHub automation
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Stack fit
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Platform hintsPHP, CLI, Claude CodePHP, Email, Claude CodePython, CLI, Claude CodeGo, Productivity, Claude Code
WarningsNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signals
Not ideal forteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security review
OpenAgentSkill engagement0 views
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Install
$ npx skills add jolicode/castor
$ npx skills add PHPMailer/PHPMailer
$ npx skills add kellyjonbrazil/jc
$ npx skills add ankitpokhrel/jira-cli