Individual skill

authoring-go-sdk-tasks

Writes Airflow task logic in Go using the Airflow Go SDK. Use when the user wants to implement Airflow tasks in Go, asks about `BundleProvider`/`RegisterDags`, the `bundlev1` Registry/Dag interfaces, registering Go tasks (`AddTask`/`AddTaskWithName`), dependency injection by parameter type (`context.Context`, `sdk.TIRunContext`, `*slog.Logger`, `sdk.Client`), or reading connections/variables/XComs from Go. This skill covers the Go-specific native API; the shared Python-stub pattern and conceptual model live in authoring-language-sdk-tasks. For building/packing/shipping the bundle see deploying-go-sdk-bundles; for coordinator config see configuring-airflow-language-sdks.

skills/authoring-go-sdk-tasks/SKILL.md

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License: Apache-2.0

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# Authoring Go SDK Tasks

The Airflow Go SDK implements the language-SDK model for Go: your DAG stays in Python, and each task is a compiled Go function registered inside a **bundle** (a single native executable). This skill covers the **Go-specific** native API. The shared model (the Python `@task.stub` pattern, ID matching, the XCom-as-JSON contract) lives in **authoring-language-sdk-tasks**; read that first if you are new to language SDKs.

> **Experimental.** The Go SDK is under active development and not production-ready. Module path `github.com/apache/airflow/go-sdk` (Go 1.24+). APIs may change.

> **Related skills:** **authoring-language-sdk-tasks** (shared Python stub + concepts), **deploying-go-sdk-bundles** (build, pack, and ship the bundle), **configuring-airflow-language-sdks** (route the queue to the Go coordinator).

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## Recap: the Python side

A Go task is paired with a Python stub that carries no logic; it declares the task, its queue, and the dependency graph. IDs must match the Go registration exactly, and `queue=` routes the task to the Go runtime. Full rules are in **authoring-language-sdk-tasks**; the minimal shape: