Plugins Overview

Learn about Genkit plugins and how to extend the framework with custom capabilities

Plugins Overview

Genkit plugins extend the framework with additional capabilities like model providers, vector stores, telemetry, and integrations. Plugins provide a standardized way to add new models, embedders, retrievers, indexers, and other components to your Genkit application.

What are Plugins?

Plugins in Genkit are modular extensions that:

• Provide models from various AI providers (Google AI, Anthropic, OpenAI, etc.)
• Add vector stores for retrieval-augmented generation (RAG)
• Enable telemetry and monitoring capabilities
• Integrate frameworks like Express, Firebase, and Next.js
• Extend functionality with custom embedders, evaluators, and more

Plugin Categories

Model Providers

Model provider plugins give you access to AI models from different vendors:

• @genkit-ai/google-genai - Google AI (Gemini) and Vertex AI models
• @genkit-ai/anthropic - Claude models (Haiku, Sonnet, Opus)
• genkitx-ollama - Local models via Ollama
• @genkit-ai/compat-oai - OpenAI-compatible models

Vector Stores

Vector store plugins enable RAG with various vector databases:

• genkitx-chroma - ChromaDB vector store
• genkitx-pinecone - Pinecone vector database
• @genkit-ai/dev-local-vectorstore - Local development vector store
• @genkit-ai/cloud-sql-pg - Google Cloud SQL PostgreSQL with pgvector

Framework Integrations

Integration plugins connect Genkit with popular frameworks:

• @genkit-ai/express - Express.js HTTP endpoints
• @genkit-ai/firebase - Firebase deployment and telemetry
• @genkit-ai/next - Next.js integration

Telemetry & Monitoring

• @genkit-ai/firebase - Firebase telemetry and monitoring
• @genkit-ai/google-cloud - Google Cloud operations

Installation and Usage

Installing Plugins

Install plugins using your package manager:

npm install @genkit-ai/google-genai
npm install @genkit-ai/anthropic
npm install genkitx-ollama

Basic Configuration

Plugins are configured when initializing Genkit:

import { genkit } from 'genkit';
import { googleAI } from '@genkit-ai/google-genai';
import { anthropic } from '@genkit-ai/anthropic';

const ai = genkit({
  plugins: [
    googleAI(),
    anthropic({ apiKey: process.env.ANTHROPIC_API_KEY }),
  ],
});

Using Plugin Resources

Once configured, use models and other resources from plugins:

// Using a Google AI model
const response = await ai.generate({
  model: googleAI.model('gemini-2.5-flash'),
  prompt: 'Tell me about Genkit plugins',
});

// Using an Anthropic model
const response2 = await ai.generate({
  model: anthropic.model('claude-sonnet-4-5'),
  prompt: 'Explain AI plugins',
});

Plugin API

Plugins implement the GenkitPlugin interface:

export interface PluginProvider {
  name: string;
  initializer: () =>
    | InitializedPlugin
    | void
    | Promise<InitializedPlugin | void>;
  resolver?: (action: ActionType, target: string) => Promise<void>;
  listActions?: () => Promise<ActionMetadata[]>;
}

export interface InitializedPlugin {
  models?: Action<z.ZodTypeAny, z.ZodTypeAny>[];
  retrievers?: Action<z.ZodTypeAny, z.ZodTypeAny>[];
  embedders?: Action<z.ZodTypeAny, z.ZodTypeAny>[];
  indexers?: Action<z.ZodTypeAny, z.ZodTypeAny>[];
  evaluators?: Action<z.ZodTypeAny, z.ZodTypeAny>[];
}

Official Plugins

Model Providers

• @genkit-ai/google-genai - Google AI and Vertex AI (Gemini, Imagen, Lyria)
• @genkit-ai/anthropic - Anthropic Claude models
• genkitx-ollama - Local Ollama models
• @genkit-ai/compat-oai - OpenAI-compatible models

Vector Stores

• genkitx-chroma - ChromaDB
• genkitx-pinecone - Pinecone
• @genkit-ai/dev-local-vectorstore - Local development
• @genkit-ai/cloud-sql-pg - Cloud SQL PostgreSQL

Integrations

• @genkit-ai/express - Express.js
• @genkit-ai/firebase - Firebase
• @genkit-ai/next - Next.js
• @genkit-ai/google-cloud - Google Cloud

Other

• @genkit-ai/evaluators - AI evaluation tools
• @genkit-ai/checks - Quality checks
• @genkit-ai/langchain - LangChain integration
• @genkit-ai/mcp - Model Context Protocol

Next Steps

• Learn about specific plugins:
  • Google GenAI Plugin
  • Anthropic Plugin
  • Ollama Plugin
• Create your own plugin
• Publish a plugin
• Plugin API Reference