How to attach a deployed toolbox to Genkit?

[antonyharfield]

Prerequisites

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Question

I've deployed MCP Toolbox on Cloud Run and can connect to it from a client (e.g. Claude Desktop) - works really well.

Now I'm building a Firebase web app (hosting + functions) and I'd like to setup Genkit with the tools from MCP Toolbox. Perhaps like this:

import { gemini20Flash, vertexAI } from '@genkit-ai/vertexai'
import { genkit } from 'genkit'

const ai = genkit({
  plugins: [
    vertexAI({ location: 'us-central1', projectId: [] }),
  ],
  model: gemini20Flash,
  tools: [MY_MCP_TOOLBOX_HERE]
})

How do I define MY_MCP_TOOLBOX_HERE? I'd like it to connect use the MCP Toolbox that I've deployed on Cloud Run.

Code

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[duwenxin99]

Hi @antonyharfield, Genkit allows you to specify a server command/URL using the serverProcess or the serverUrl parameters with the mcpClient plugin: https://www.npmjs.com/package/genkitx-mcp Could you try this solution and let me know if it works for you? Thanks!