Developer Tools○Pass
Noclaw
One-liner shell wrapper, but GitHub's full boilerplate page obscures actual functionality.
lucalanziani
105mo ago
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GitHub Repository
Lightweight distributed LLM execution tracer and profiler for Python, with W3C trace propagation, CLI analysis, FastAPI/requests integrations, and local SQLite-backed trace inspection.
2 starsPython
I built a minimal distributed tracer from scratch to understand better
by taeshdas·Feb 26, 2026·3 points·1 comment
AI Analysis
●MidShip It
DAG-based LLM tracer, but single-process, no distributed support, and Langsmith/Phoenix already dominate.
Strengths
- •ContextVar-based async safety avoids callback hell and works with async/await patterns
- •Chrome Trace Format export means visualization is free; no proprietary tool lock-in
- •Lightweight decorator API keeps instrumentation overhead minimal and readable
Weaknesses
- •No distributed tracing kills adoption for multi-service LLM pipelines, the main use case
- •Single-process limitation makes it unfit for production RAG systems that span services
Category
Target Audience
LLM engineers, RAG developers, performance-profiling practitioners
Similar To
LangSmith · Arize Phoenix · Jaeger (OpenTelemetry)
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