#observability

seq-db is a scalable and high-performance database designed for storing and querying logs efficiently

JavaScript and TypeScript SDK for Logfire

Free, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburn

An experimental port of the faro web sdk to react native

Last9 MCP Server

Terraform provider for Nobl9

Kubernetes operator for multi-cluster metrics collection and analysis

Real-time monitoring, slowlog analysis, and audit trails for Valkey and Redis

OpenTelemetry Compile-Time Instrumentation for Golang

OpenTelemetry Compile-Time Instrumentation for Golang

OpenTelemetry Compile-Time Instrumentation for Golang

OpenShift integrations and workloads for kube-burner

Scalable Observability

pktvisor is a dynamic network observability agent that smartly analyzes network traffic and generates opentelemetry metrics

Parseable is an open source, unified infrastructure observability platform built in Rust on a data lake architecture. It tracks logs, metrics, traces, and events across apps, agents, and systems, reducing storage costs by up to 90% through columnar telemetry compression.

Developer-friendly structured logging helpers for Azure Functions Python

Apache SkyWalking 3rd generation UI

Braintrust tracing plugin for pi

OpenTelemetry signal storage

Drop a container. Your stack is monitored.

Stunning status pages, batteries included!

Rollbar for Java and Android

Taking the Java out of Kafka

Loki-compatible API proxy for VictoriaLogs. Use Grafana's native Loki datasource, Explore, and Logs Drilldown with VictoriaLogs. No plugin required.

Shared Go libraries.

Dash0's web SDK to collect telemetry from end-users

Correlation of observability signals.

MCP server to allow LLMs to interact with a running Prometheus, Thanos, Alertmanager and optionally Tempo, OpenTelemetry Collector and Loki instances via the API

Open-source sandboxes where coding agents build and deploy. Spin up isolated environments where Claude Code, Cursor, and other agents code and deploy software.

Near-lock-free structured logging for Rust. 10-crate workspace: MCP server (Claude/Cursor/mcp.run), OTLP HTTP+gRPC exporter, Tower middleware, WASM + WASI 0.2 component, eBPF-style enrichers, PII redaction, log analytics, test utilities, and a jq-style CLI. Sub-µs ingest via a 65k-slot ring buffer (LMAX Disruptor).