Skill comparison
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Strongest overall
Langfuse
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Langfuse
Best first install candidate based on install readiness and adoption.
Freshest repo
Mlflow
Most recent maintenance signal among this shortlist.
| Signal | Vigil Llm ⚡ Vigil ⚡ Detect prompt injections, jailbreaks, and other potentially risky Large Language Model (LLM) inputs | Langfuse 🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23 | Mlflow The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data. | Opik Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards. |
|---|---|---|---|---|
| Quality | 53/100 Needs review | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 43/100 Needs manual review Do a manual repository review before adding this to an agent workflow. | 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 | 482 stars Verified outcomes are shown on each skill page | 29K stars Verified outcomes are shown on each skill page | 27K stars Verified outcomes are shown on each skill page |
| 20K stars Verified outcomes are shown on each skill page |
| Freshness | Jan 31, 2024 | Jun 20, 2026 | Jun 25, 2026 | Jun 25, 2026 |
| Use-case fit |
| Workflow fit |
| Platform hints | Python, LLMOps, Claude Code | TypeScript, LLMOps, Claude Code, OpenAI Agents, LangChain | Python, LLMOps, Claude Code, LangChain | Python, LLMOps, Claude Code, LangChain |
| Warnings | Repository looks stale · No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet |
| Best for | Security and compliance workflows · Claude Code teams · builders willing to evaluate younger projects | 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 require actively maintained dependencies · production agents without a repository 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 | 0 views 0 install copies | 0 views 0 install copies | 0 views 0 install copies | 0 views 0 install copies |
| Install | $ npx skills add deadbits/vigil-llm | $ npx skills add langfuse/langfuse | $ npx skills add mlflow/mlflow | $ npx skills add comet-ml/opik |