OpenLLMetry vs SkillSpector

Side-by-side comparison of two AI agent tools

Short answer

  • SkillSpector is growing faster: +4,020 GitHub stars in the last 30 days vs +80 for OpenLLMetry.
  • Pick OpenLLMetry for: open-source observability for your GenAI or LLM application, based on OpenTelemetry. Pick SkillSpector for: scans AI agent skills for prompt injection, data exfiltration, supply-chain risks, and vulnerabilities.

From GitHub data refreshed daily.

OpenLLMetryopen-source

Open-source observability for your GenAI or LLM application, based on OpenTelemetry

S
SkillSpectoropen-source

Scans AI agent skills for prompt injection, data exfiltration, supply-chain risks, and vulnerabilities

Metrics

OpenLLMetrySkillSpector
Stars7.5k19.2k
Star velocity /mo80.368421052631594.0k
Commits (90d)12366
Releases (6m)1010
Overall score0.59123672522174050.8642403087184598

Pros

  • +Built on OpenTelemetry standard with official semantic conventions integration, ensuring compatibility with existing observability infrastructure
  • +Open-source with strong community support (6,900+ GitHub stars) and active development backed by Y Combinator
  • +Multi-language support covering both Python and JavaScript/TypeScript ecosystems for broad developer adoption

    Cons

    • -Requires familiarity with OpenTelemetry concepts and infrastructure setup, which may have a learning curve for teams new to observability
    • -As a specialized tool for LLM observability, it may be overkill for simple AI applications or proof-of-concepts

      Use Cases

      • •Production LLM application monitoring to track performance metrics, token usage, and error rates across different models and providers
      • •Debugging complex GenAI workflows by tracing requests through multiple AI services and identifying bottlenecks or failures
      • •Cost optimization and performance analysis of AI applications to understand usage patterns and optimize model selection
        View OpenLLMetry DetailsView SkillSpector Details

        FAQ

        Which is more popular, OpenLLMetry or SkillSpector?
        SkillSpector has more GitHub stars (19,183 vs 7,467).
        Which is more actively developed, OpenLLMetry or SkillSpector?
        SkillSpector had more commits in the last 90 days (366 vs 12).
        Should I use OpenLLMetry or SkillSpector?
        Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.