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App sdk concepts

Skill grafana/skills/skills/grafana-app-sdk/app-sdk-concepts

Use when starting any grafana-app-sdk work — scaffolding a Grafana app, initializing a Grafana App Platform app, picking a deployment mode (standalone operator / grafana/apps / frontend-only), wiring app-specific config, or onboarding to the SDK. Covers `grafana-app-sdk` CLI install, `project init` per deployment mode, project layout, the schema-centric workflow (CUE kinds → generated code → reconciler/admission logic), and `SpecificConfig` for env-driven app configuration. Use even if the user just says "make a new app", "Grafana app platform", "kinds and watchers", "operator scaffold", or asks about `apps/` inside the Grafana repo, without naming the SDK explicitly.From its SKILL.md

Install
npx -y skills add grafana/skills --skill app-sdk-concepts

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

What its file declares

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The file declares its own license as Apache-2.0. That is the author’s claim about this one file, and it is not the same thing as the license GitHub reports for the repository, which is listed with the other numbers below.

SKILL.md

4.3 KB, as published. Nobody here has run it

Grafana App SDK Concepts

The grafana-app-sdk is a CLI + Go library for building schema-centric apps on the Grafana App Platform. Apps define resources via CUE schemas ("kinds"), generate Go + TypeScript code, and implement business logic via admission control and reconcilers.

Prerequisites

go install github.com/grafana/grafana-app-sdk/cmd/grafana-app-sdk@latest
grafana-app-sdk version   # verify

Common Workflows

Scaffold a standalone operator app

# 1. Init the project (use the Go module path)
grafana-app-sdk project init github.com/example/my-app

# 2. Add operator scaffolding — ASK THE USER FIRST.
#    They may prefer to write app.App by hand.
grafana-app-sdk project component add operator

# 3. Verify scaffolded layout
ls pkg/app pkg/watchers cmd/operator
# Expected: app.go, watchers/<kind>.go, main.go

Common failure: forgetting go install updates the binary — verify with grafana-app-sdk version before init.

Scaffold a grafana/apps-style app (inside grafana/grafana)

Only available inside the Grafana repo (or fork) — the init command detects apps/ and pkg/registry/apps/ at the repo root.

mkdir -p apps/my-app && cd apps/my-app
grafana-app-sdk project init github.com/grafana/grafana/apps/my-app

# Keep ONLY: kinds/ pkg/ go.mod go.sum — delete everything else.
cp apps/example/Makefile       apps/my-app/Makefile
cp apps/example/kinds/config.cue apps/my-app/kinds/config.cue   # overwrite
go work use ./apps/my-app

Then register the app inside Grafana (pkg/registry/apps/apps.go + register.go). Full walkthrough in references/deployment-modes.md.

End-to-end development loop

1. project init               → module, Makefile, kinds/
2. project kind add MyKind    → CUE kind scaffold
3. Edit kinds/*.cue           → schemas, validation, versions
4. grafana-app-sdk generate   → Go types, clients, TS types, AppManifest, CRDs
5. Implement logic            → fill in reconciler / admission stubs
6. (optional) project component add frontend

Always rerun generate after every CUE change — generated code is the API your reconciler sees.

Deployment modes (one-line table)

ModeWhen to pickWhere it runs
Standalone operatorOutside Grafana repo, want your own binaryKubernetes operator with its own webhook server
grafana/appsInside github.com/grafana/grafana (or fork)In-process inside Grafana's API server
Frontend-onlyUI-only app, no Go logic neededNo backend — TS types only

Full per-mode init, runtime, and wiring detail in references/deployment-modes.md.

References

Resources

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Skills are one crate of 627,801. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.