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sentry-llm-monitoring

Sentry's error and performance monitoring extended to LLM applications — captures exceptions, latency, and AI token usage with OpenTelemetry integration.

mlflow-tracing

MLflow's LLM tracing module instruments model calls, agent steps, and tool invocations, storing them alongside experiment runs for reproducibility.

langfuse

Open-source LLM engineering platform with traces, evals, prompt management, and datasets for debugging and improving LLM applications.

claude-hud

A status line for Claude Code that shows context usage, tools, agents, to-dos and more. Highly configurable, and maintained when it was listed.

comet-opik

Opik by Comet is an open-source LLM evaluation and tracing platform — log traces, run automated evals, create datasets, and track prompt improvements over time.

opentelemetry-genai

OpenTelemetry semantic conventions and instrumentation for GenAI/LLM spans, traces, and metrics via the GenAI semconv working group.

portkey-ai-gateway

Open-source AI gateway providing a unified API across 100+ LLM providers with built-in observability, request logging, fallbacks, caching, and load balancing.

ccstatusline

A highly customizable status line formatter for Claude Code CLI that displays model info, git branch, token usage, and other metrics in your terminal.

openllmetry

OpenTelemetry-based observability for LLM applications — auto-instruments OpenAI, Anthropic, LangChain, and 20+ providers with zero code changes.

helicone

Open-source LLM observability platform — proxy-based logging, cost tracking, caching, and rate limiting for OpenAI-compatible APIs.

grafana-tempo

Grafana Tempo is a cost-efficient distributed tracing backend (OpenTelemetry-native) that pairs with Loki for logs and Prometheus for metrics in LLM stacks.

pydantic-logfire

Logfire by Pydantic — OpenTelemetry-based structured logging and tracing for Python applications with built-in support for FastAPI, SQLAlchemy, and Anthropic.

langwatch

LangWatch provides real-time LLM analytics, guardrails, and evaluation pipelines with a visual studio for monitoring multi-step agent conversations.

ccometixline-claude-code-statusline

A high-performance Claude Code statusline tool written in Rust with Git integration, usage tracking, interactive TUI configuration, and Claude Code enhancement utilities.

openlit

OpenLIT is an OpenTelemetry-native LLM observability toolkit with GPU monitoring, cost tracking, and a prompt hub — one-line setup for 20+ providers.

laminar

Laminar is an open-source platform for tracing, evaluating, and labeling LLM and agent pipelines with a TypeScript/Python SDK and a self-hostable backend.

metapriseai-orgkernel

Use when every agent action must be traceable to a specific agent instance with its own key, scoped token and tamper-evident log.

infisical-agent-vault

A HTTP credential proxy and vault for AI agents like Claude Code, OpenClaw, Hermes, custom agents + harnesses, and more.

Contributed by Sentinel

openinference

OpenInference is an open standard and Python/JS instrumentation library for capturing LLM and agent traces in OpenTelemetry format, built by Arize AI.

langsmith

LangChain's platform for tracing, evaluating, and monitoring LLM applications — deep integration with LangChain/LangGraph plus a REST API for any stack.

letta-ai-agent-file

Use when you need to save, share, version or move a whole agent — its persona, memory and behaviour — as one portable file.

claude-powerline

A vim-style powerline statusline for Claude Code with real-time usage tracking, git integration, custom themes, and more

unicity-aos-capsule-identity

Use when an agent's identity must be persisted as state and assembled into its system prompt at boot, rather than pasted into a prompt by hand.

claude-code-statusline

Enhanced 4-line statusline for Claude Code with themes, cost tracking, and MCP server monitoring