Telegraf is an open-source server agent designed to collect and forward metrics and events from databases, systems, and IoT sensors. Written in Go and compiled into a single binary, it boasts minimal external dependencies and memory consumption. With 300+ community-developed plugins covering a wide range of data sources like cloud services, applications, and IoT sensors, Telegraf offers extensive flexibility. It supports versatile parsing and serialization for various data formats, including JSON, CSV, Graphite, and can serialize data as InfluxDB line protocol and Prometheus. Telegraf also features robust delivery guarantees, including flow control, schedulers, clock drift adjustment, and full flow support. Additionally, Telegraf's custom builder allows users to select specific plugins to include in the Telegraf binary, ideal for resource-constrained devices.