developing-genkit-go

Original：🇺🇸 English

Translated

Develop AI-powered applications using Genkit in Go. Use when the user asks to build AI features, agents, flows, or tools in Go using Genkit, or when working with Genkit Go code involving generation, prompts, streaming, tool calling, or model providers.

1.1kinstalls

Sourcefirebase/agent-skills

Added on2026-04-08

NPX Install

npx skill4agent add firebase/agent-skills developing-genkit-go

SKILL.md Content

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Genkit Go

Genkit Go is an AI SDK for Go that provides generation, structured output, streaming, tool calling, prompts, and flows with a unified interface across model providers.

Hello World

go

package main

import (
	"context"
	"fmt"
	"log"
	"net/http"

	"github.com/genkit-ai/genkit/go/ai"
	"github.com/genkit-ai/genkit/go/genkit"
	"github.com/genkit-ai/genkit/go/plugins/googlegenai"
	"github.com/genkit-ai/genkit/go/plugins/server"
)

func main() {
	ctx := context.Background()
	g := genkit.Init(ctx, genkit.WithPlugins(&googlegenai.GoogleAI{}))

	genkit.DefineFlow(g, "jokeFlow", func(ctx context.Context, topic string) (string, error) {
		return genkit.GenerateText(ctx, g,
			ai.WithModelName("googleai/gemini-flash-latest"),
			ai.WithPrompt("Tell me a joke about %s", topic),
		)
	})

	mux := http.NewServeMux()
	for _, f := range genkit.ListFlows(g) {
		mux.HandleFunc("POST /"+f.Name(), genkit.Handler(f))
	}
	log.Fatal(server.Start(ctx, "127.0.0.1:8080", mux))
}

Core Features

Load the appropriate reference based on what you need:

Feature	Reference	When to load
Initialization	references/getting-started.md	Setting up `genkit.Init` , plugins, the `*Genkit` instance pattern
Generation	references/generation.md	`Generate` , `GenerateText` , `GenerateData` , streaming, output formats
Prompts	references/prompts.md	`DefinePrompt` , `DefineDataPrompt` , `.prompt` files, schemas
Tools	references/tools.md	`DefineTool` , tool interrupts, `RestartWith` / `RespondWith`
Flows & HTTP	references/flows-and-http.md	`DefineFlow` , `DefineStreamingFlow` , `genkit.Handler` , HTTP serving
Model Providers	references/providers.md	Google AI, Vertex AI, Anthropic, OpenAI-compatible, Ollama setup

Genkit CLI

Check if installed:

genkit --version

Installation:

bash

curl -sL cli.genkit.dev | bash

Key commands: