instructions left

Author: kentcdodds

exercises/03.advanced-tools/02.problem.organization/src/index.ts

@@ -2,7 +2,7 @@ import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'
 import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'
 import { z } from 'zod'
 import { DB } from './db/index.ts'
-// 🐨 Make tools.ts and you'll export a function called initializeTools:
+// 💰 Make tools.ts and you'll export a function called initializeTools:
 // import { initializeTools } from './tools.ts'
 
 const db = DB.getInstance('./db.sqlite')
@@ -27,6 +27,7 @@ You can also help users add tags to their entries and get all tags for an entry.
 )
 
 // 🐨 move this tool to a function called `initializeTools` in a separate file ./tools.ts
+// 💰 it should accept the server and db as arguments
 server.tool(
 	'create_tag',
 	'Create a new tag',

exercises/04.resources/01.problem.simple/src/index.test.ts

@@ -28,14 +28,18 @@ test('Tool Definition', async () => {
 
 	expect(firstTool).toEqual(
 		expect.objectContaining({
-			name: expect.stringMatching(/^add$/i),
-			description: expect.stringMatching(/^add two numbers$/i),
+			name: expect.stringMatching(/^create_entry$/i),
+			description: expect.stringMatching(/^create a new journal entry$/i),
 			inputSchema: expect.objectContaining({
 				type: 'object',
 				properties: expect.objectContaining({
-					firstNumber: expect.objectContaining({
-						type: 'number',
-						description: expect.stringMatching(/first/i),
+					title: expect.objectContaining({
+						type: 'string',
+						description: expect.stringMatching(/title/i),
+					}),
+					content: expect.objectContaining({
+						type: 'string',
+						description: expect.stringMatching(/content/i),
 					}),
 				}),
 			}),
@@ -45,10 +49,10 @@ test('Tool Definition', async () => {
 
 test('Tool Call', async () => {
 	const result = await client.callTool({
-		name: 'add',
+		name: 'create_entry',
 		arguments: {
-			firstNumber: 1,
-			secondNumber: 2,
+			title: 'Test Entry',
+			content: 'This is a test entry',
 		},
 	})
 
@@ -57,7 +61,9 @@ test('Tool Call', async () => {
 			content: expect.arrayContaining([
 				expect.objectContaining({
 					type: 'text',
-					text: expect.stringMatching(/3/),
+					text: expect.stringMatching(
+						/Entry "Test Entry" created successfully/,
+					),
 				}),
 			]),
 		}),

exercises/04.resources/01.problem.simple/src/index.ts

@@ -1,7 +1,7 @@
 import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'
 import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'
 import { DB } from './db/index.ts'
-// 🐨 bring in initializeResources from the new ./resources.ts file
+// 💰 bring in initializeResources from the new ./resources.ts file
 // import { initializeResources } from './resources.ts'
 import { initializeTools } from './tools.ts'
 

exercises/04.resources/01.problem.simple/src/resources.ts

@@ -1,4 +1,4 @@
-// 🐨 you'll use this to get the username of the creator of the app
+// 💰 you'll use this to get the username of the creator of the app
 // import { userInfo } from 'node:os'
 import { type EpicMeMCP } from './index.ts'
 

exercises/04.resources/02.problem.template/src/resources.ts

@@ -1,5 +1,5 @@
 import { userInfo } from 'node:os'
-// 🐨 you'll use both of these in this exercise:
+// 💰 you'll use both of these in this exercise:
 // import { invariant } from '@epic-web/invariant'
 // import { ResourceTemplate } from '@modelcontextprotocol/sdk/server/mcp.js'
 import { type ReadResourceResult } from '@modelcontextprotocol/sdk/types.js'