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.
Decision summary
Promptfoo is the strongest overall pick here because it has a 100/100 readiness score and fits Coding agents.
Strongest overall
Promptfoo
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Promptfoo
Best first install candidate based on install readiness and adoption.
Freshest repo
Promptfoo
Most recent maintenance signal among this shortlist.
| Signal | Promptfoo Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic. | Opik Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards. | Giskard Oss 🐢 Open-Source Evaluation & Testing library for LLM Agents | Helicone 🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓 |
|---|---|---|---|---|
| Quality | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 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. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. |
| Adoption | 22K stars 0 installs | 19K stars 0 installs | 5.4K stars 0 installs | 5.8K stars 0 installs |
| Freshness | Jun 9, 2026 | Jun 5, 2026 | Jun 5, 2026 | May 18, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | TypeScript, LLMOps, Claude Code, OpenAI Agents | Python, LLMOps, Claude Code, LangChain | Python, LLMOps, Claude Code | TypeScript, LLMOps, Claude Code, OpenAI Agents, LangChain |
| Warnings | No major risk signals from current metadata | No major risk signals from current metadata | No major risk signals from current metadata | No major risk signals from current metadata |
| Best for | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals |
| Not ideal for | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review |
| OpenAgentSkill engagement | 3 views 0 install copies | 3 views 0 install copies | 1 views 0 install copies | 1 views 0 install copies |
| Install | $ npx skills add promptfoo/promptfoo | $ npx skills add comet-ml/opik | $ npx skills add Giskard-AI/giskard-oss | $ npx skills add Helicone/helicone |