Genkit MCP

/** * Copyright 2025 Google LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { anthropic } from '@genkit-ai/anthropic'; import * as fs from 'fs'; import { genkit } from 'genkit'; import * as path from 'path'; const ai = genkit({ plugins: [anthropic()], }); /** * This flow demonstrates PDF document processing with Claude using base64 encoding. * The PDF is read from the source directory and sent as a base64 data URL. */ ai.defineFlow('stable-pdf-base64', async () => { // Read PDF file from the same directory as this source file const pdfPath = path.join(__dirname, 'attention-first-page.pdf'); const pdfBuffer = fs.readFileSync(pdfPath); const pdfBase64 = pdfBuffer.toString('base64'); const { text } = await ai.generate({ model: anthropic.model('claude-sonnet-4-5'), messages: [ { role: 'user', content: [ { text: 'What are the key findings or main points in this document?', }, { media: { url: `data:application/pdf;base64,${pdfBase64}`, contentType: 'application/pdf', }, }, ], }, ], }); return text; }); /** * This flow demonstrates PDF document processing with a URL reference. * Note: This requires the PDF to be hosted at a publicly accessible URL. */ ai.defineFlow('stable-pdf-url', async () => { // Example: Using a publicly hosted PDF URL // In a real application, you would use your own hosted PDF const pdfUrl = 'https://assets.anthropic.com/m/1cd9d098ac3e6467/original/Claude-3-Model-Card-October-Addendum.pdf'; const { text } = await ai.generate({ model: anthropic.model('claude-sonnet-4-5'), messages: [ { role: 'user', content: [ { text: 'Summarize the key points from this document.', }, { media: { url: pdfUrl, contentType: 'application/pdf', }, }, ], }, ], }); return text; }); /** * This flow demonstrates analyzing specific aspects of a PDF document. * Claude can understand both text and visual elements (charts, tables, images) in PDFs. */ ai.defineFlow('stable-pdf-analysis', async () => { const pdfPath = path.join(__dirname, 'attention-first-page.pdf'); const pdfBuffer = fs.readFileSync(pdfPath); const pdfBase64 = pdfBuffer.toString('base64'); const { text } = await ai.generate({ model: anthropic.model('claude-sonnet-4-5'), messages: [ { role: 'user', content: [ { text: 'Analyze this document and provide:\n1. The main topic or subject\n2. Any key technical concepts mentioned\n3. Any visual elements (charts, tables, diagrams) if present', }, { media: { url: `data:application/pdf;base64,${pdfBase64}`, contentType: 'application/pdf', }, }, ], }, ], }); return text; });