#observability

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

Taking the Java out of Kafka

Pure-PHP OpenTelemetry instrumentation for Symfony: HTTP, Console, Messenger, Doctrine DBAL, Cache, Twig, Mailer, Scheduler, HttpClient, Guzzle and PSR-18, plus metrics and Monolog logs. Stable semantic conventions, no C extension.

Drop-in Prometheus / Loki / Tempo HTTP gateway for ClickHouse. Translate PromQL, LogQL, and TraceQL into optimized CH SQL — keep Grafana, swap the backend.

Unified resilience patterns for Python — retry, circuit breaker, timeout, fallback, bulkhead, rate limiter, and cache in one decorator. Python's Resilience4j.

A Python client to interact with Arize API

An open-source profiler for AI agents that analyzes token usage, cost, latency, and optimization opportunities across LLM workflows.

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

Apache SkyWalking next-generation UI (Horizon)

The Python agent for Apache SkyWalking

Open-source operational advisor for ClickHouse — real-time monitoring plus AI-driven index/partition/materialized-view recommendations.

Self-hosted performance data capture, storage, and analysis for containerized JVMs

Command line utility to interact with Dash0

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

MCP and REST control plane for AI agents to operate creative software: shared Rust/Python runtime, multi-instance gateway, CLI, skill discovery, and studio workflow infrastructure for DCC-MCP.

Open-source tag manager for developers

OpenTelemetry-native tracing SDK for AI agents and LLM applications (Python).

🦖Know why your AI-built app broke — plain-English diagnosis + ready fix, in your editor. Open source. Sentry optional.

Guardrails for coding agents: what's left on every AI plan, in-session nudges, and limits your agents respect. Local-first, ~90 providers.

Ultra-low-latency asynchronous C++17 logging and metrics library for performance-critical applications

Local evidence debugger and trajectory-test toolkit for TypeScript AI agents: inspect causal runs, catch wrong tool paths in CI, and share safe offline evidence.

OpenTelemetry and Prometheus observability for OPNsense firewalls. 65 collectors, 1006 metrics, native OTLP metrics and logs, syslog receiver, NetFlow and Zenarmor flow-log processing.

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

TypeScript SDK for TraceRoot

A high-performance, composable file system watcher for Go. Built on fsnotify with automatic recursion, 17+ filters, 18 middleware, and production-grade resilience.

The .NET/.NET Core instrument agent for Apache SkyWalking

Shared Go libraries.

🔥 Real-time terminal dashboard for Caddy servers, with built-in FrankenPHP support

The Golang auto-instrument Agent for Apache SkyWalking, which provides the native tracing/metrics/logging abilities for Golang projects.

Give distroless Go services a Docker healthcheck with no shell, curl or wget