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Sort by: Best match Skill installs Stars Downloads Last updated Forks Name ↓ DescType: Filter by entry type All types MCP Server Claude Skill Agent Repository Tool Trust: Filter by trust evidence Any trust state Crown eligible Trust checked Audit conflict Maturity: Filter by maturity Any maturity Stable Active Experimental Slowing 8 shown
All (8) ◎ Marketing (0)↗ GTM & Growth (0)✎ Design (0)⛨ Security (0)▶ Video & YouTube (0)⌘ Development (0)⌕ Data & Research (0)⑂ Automation (0)⚡ Token & Cost Optimization (1)◆ AI Agents (0)◐ LLM Ops & Observability (7)◇ RAG & Knowledge (0)
⚡ Token & Cost Optimization1 Browse subcategories → Open-source LLM engineering platform for tracing, prompt management, and per-user cost tracking.
Best match because its name, category, capabilities, or owner matches “tracing”. Adoption and trust break close ties.
Stars 32k
Downloads 7102k
Updated 2026-08-01
Skill installs — Trust pending Momentum not matched
$ npm i langfuseCopy Observability & Cost
◐ LLM Ops & Observability7 Browse subcategories → Open-source LLM evaluation, tracing, and monitoring by Comet.
Best match because its name, category, capabilities, or owner matches “tracing”. Adoption and trust break close ties.
Stars 21k
Downloads 3527k
Updated 2026-08-03
Skill installs — Trust pending Momentum not matched
$ pip install opikCopy Tracing & Observability Evals
Open-source LLM tracing, evaluation, and observability platform.
Best match because its name, category, capabilities, or owner matches “tracing”. Adoption and trust break close ties.
Stars 11k
Downloads 2215k
Updated 2026-08-03
Skill installs — Trust pending Momentum not matched
$ pip install arize-phoenixCopy Tracing & Observability
Arize-ai ★ 1.1k Repository stable Open standard for instrumenting LLM applications to capture traces and spans for observability.
Best match because its name, category, capabilities, or owner matches “tracing”. Adoption and trust break close ties.
Stars 1.1k
Downloads 1559k
Updated 2026-08-03
Skill installs — Trust pending Momentum not matched
$ npm i @arizeai/openinference-semantic-conventionsCopy Tracing & Observability
truera ★ 3.5k Repository stable Library for evaluating and tracking the performance of LLM applications with feedback functions.
Best match because its name, category, capabilities, or owner matches “tracing”. Adoption and trust break close ties.
Stars 3.5k
Downloads 97k
Updated 2026-07-31
Skill installs — Trust pending Momentum not matched
$ pip install trulensCopy Evals Tracing & Observability
traceloop ★ 7.3k Tool experimental OpenTelemetry-based observability for LLM apps by Traceloop.
Best match because its name, category, capabilities, or owner matches “tracing”. Adoption and trust break close ties.
Stars 7.3k
Downloads —
Updated 2026-07-13
Skill installs — Trust pending Momentum not matched
Tracing & Observability
Uncomplicated observability and tracing built on OpenTelemetry.
Best match because its name, category, capabilities, or owner matches “tracing”. Adoption and trust break close ties.
Stars 4.4k
Downloads —
Updated 2026-08-03
Skill installs — Trust pending Momentum not matched
Tracing & Observability
lmnr-ai ★ 3.1k Tool experimental Open-source observability and analytics for AI agents and LLM apps.
Best match because its name, category, capabilities, or owner matches “tracing”. Adoption and trust break close ties.
Stars 3.1k
Downloads 35053k
Updated 2026-08-02
Skill installs — Trust pending Momentum not matched
$ pip install lmnrCopy Tracing & Observability