From c478570455377e239ff0d1b4bd0e2947268c0e2f Mon Sep 17 00:00:00 2001
From: Corie Watson <watson.corie@gmail.com>
Date: Thu, 27 Nov 2025 13:24:56 +0000
Subject: [PATCH 1/3] feat(anthropic): add tool testapp

---
 js/testapps/anthropic/src/stable/tools.ts | 51 +++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 js/testapps/anthropic/src/stable/tools.ts

diff --git a/js/testapps/anthropic/src/stable/tools.ts b/js/testapps/anthropic/src/stable/tools.ts
new file mode 100644
index 0000000000..7609b1c81d
--- /dev/null
+++ b/js/testapps/anthropic/src/stable/tools.ts
@@ -0,0 +1,51 @@
+/**
+ * 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 { genkit, z } from 'genkit';
+
+const ai = genkit({
+  plugins: [
+    // Configure the plugin with environment-driven API key
+    anthropic(),
+  ],
+});
+
+const getWeather = ai.defineTool(
+  {
+    name: 'getWeather',
+    description: 'Gets the current weather in a given location',
+    inputSchema: z.object({
+      location: z.string().describe('The location to get the current weather for'),
+    }),
+    outputSchema: z.string(),
+  },
+  async (input: any) => {
+    // Here, we would typically make an API call or database query. For this
+    // example, we just return a fixed value.
+    return `The current weather in ${input.location} is 63°F and sunny.`;
+  },
+);
+
+ai.defineFlow('anthropic-stable-tools', async () => {
+  const { text } = await ai.generate({
+    model: anthropic.model('claude-sonnet-4-5'),
+    tools: [getWeather],
+    prompt: 'What is the weather in Paris?',
+  });
+
+  return text;
+});

From 4d50ca0412cfb29301a50a1b9bf10fc2f16f7f1b Mon Sep 17 00:00:00 2001
From: Corie Watson <watson.corie@gmail.com>
Date: Mon, 1 Dec 2025 00:56:16 +0000
Subject: [PATCH 2/3] chore: format

---
 js/testapps/anthropic/src/stable/tools.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/js/testapps/anthropic/src/stable/tools.ts b/js/testapps/anthropic/src/stable/tools.ts
index 7609b1c81d..8bd93162b8 100644
--- a/js/testapps/anthropic/src/stable/tools.ts
+++ b/js/testapps/anthropic/src/stable/tools.ts
@@ -29,7 +29,9 @@ const getWeather = ai.defineTool(
     name: 'getWeather',
     description: 'Gets the current weather in a given location',
     inputSchema: z.object({
-      location: z.string().describe('The location to get the current weather for'),
+      location: z
+        .string()
+        .describe('The location to get the current weather for'),
     }),
     outputSchema: z.string(),
   },
@@ -37,7 +39,7 @@ const getWeather = ai.defineTool(
     // Here, we would typically make an API call or database query. For this
     // example, we just return a fixed value.
     return `The current weather in ${input.location} is 63°F and sunny.`;
-  },
+  }
 );
 
 ai.defineFlow('anthropic-stable-tools', async () => {

From 81514853b3d3f2a2ff881a28b4545abde917c6ce Mon Sep 17 00:00:00 2001
From: Corie Watson <watson.corie@gmail.com>
Date: Tue, 2 Dec 2025 11:44:52 +0000
Subject: [PATCH 3/3] feat(testapps/anthropic): script and flow param

---
 js/testapps/anthropic/package.json        | 1 +
 js/testapps/anthropic/src/stable/tools.ts | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/js/testapps/anthropic/package.json b/js/testapps/anthropic/package.json
index 08e1a0d2fd..b5a21749b0 100644
--- a/js/testapps/anthropic/package.json
+++ b/js/testapps/anthropic/package.json
@@ -13,6 +13,7 @@
     "dev:stable:text-plain": "genkit start -- npx tsx --watch src/stable/text-plain.ts",
     "dev:stable:webp": "genkit start -- npx tsx --watch src/stable/webp.ts",
     "dev:stable:pdf": "genkit start -- npx tsx --watch src/stable/pdf.ts",
+    "dev:stable:tools": "genkit start -- npx tsx --watch src/stable/tools.ts",
     "genkit:dev": "cross-env GENKIT_ENV=dev npm run dev:stable",
     "genkit:start": "cross-env GENKIT_ENV=dev genkit start -- tsx --watch src/stable/basic.ts",
     "dev": "export GENKIT_RUNTIME_ID=$(openssl rand -hex 8) && node lib/stable/basic.js 2>&1"
diff --git a/js/testapps/anthropic/src/stable/tools.ts b/js/testapps/anthropic/src/stable/tools.ts
index 7609b1c81d..4c99e4fe5d 100644
--- a/js/testapps/anthropic/src/stable/tools.ts
+++ b/js/testapps/anthropic/src/stable/tools.ts
@@ -40,11 +40,11 @@ const getWeather = ai.defineTool(
   },
 );
 
-ai.defineFlow('anthropic-stable-tools', async () => {
+ai.defineFlow('anthropic-stable-tools', async ({ place }) => {
   const { text } = await ai.generate({
     model: anthropic.model('claude-sonnet-4-5'),
     tools: [getWeather],
-    prompt: 'What is the weather in Paris?',
+    prompt: `What is the weather in ${place}?`,
   });
 
   return text;