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‎README.md‎

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@@ -48,8 +48,8 @@ speed on some of the tools and concepts we'll be covering:
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## System Requirements
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- [git][git] v2.18 or greater
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- [NodeJS][node] v18 or greater
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- [npm][npm] v8 or greater
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- [NodeJS][node] v22.5.0 or greater
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- [npm][npm] v8.16.0 or greater
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All of these must be available in your `PATH`. To verify things are set up
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properly, you can run this:

‎exercises/01.ping/01.problem/src/index.ts‎

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@@ -4,7 +4,7 @@
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// 🐨 create a new McpServer
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// - it should have a name of 'EpicMe' and a version of '1.0.0'
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// - it should have instructions for the LLM to know what this server can be used to do
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// - it should have instructions for the LLM to know what this server can be used to do (we'll start out by saying it can solve math problems)
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async function main() {
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// 🐨 create a new StdioServerTransport

‎exercises/01.ping/01.solution/src/index.ts‎

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@@ -7,13 +7,7 @@ const server = new McpServer(
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version: '1.0.0',
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},
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{
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instructions: `
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EpicMe is a journaling app that allows users to write about and review their experiences, thoughts, and reflections.
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These tools are the user's window into their journal. With these tools and your help, they can create, read, and manage their journal entries and associated tags.
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You can also help users add tags to their entries and get all tags for an entry.
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`.trim(),
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instructions: 'This lets you solve math problems.',
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},
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)
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‎exercises/02.tools/01.problem.simple/src/index.ts‎

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@@ -8,13 +8,7 @@ const server = new McpServer(
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},
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{
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// 🐨 add a capabilities object with a tools property that is an empty object
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instructions: `
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EpicMe is a journaling app that allows users to write about and review their experiences, thoughts, and reflections.
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These tools are the user's window into their journal. With these tools and your help, they can create, read, and manage their journal entries and associated tags.
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You can also help users add tags to their entries and get all tags for an entry.
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`.trim(),
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instructions: 'This lets you solve math problems.',
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},
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)
2014

‎exercises/02.tools/02.problem.args/src/index.ts‎

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@@ -19,7 +19,7 @@ server.tool(
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// 🐨 update the description to indicate this adds any two numbers
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'Add one and two',
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// 🐨 add an object with a firstNumber and secondNumber property
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// These should be zod schemas
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// 📜 These should be zod schemas https://zod.dev/
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async () => {
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// 🐨 accept an object parameter with a firstNumber and secondNumber property
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return {

‎exercises/03.advanced-tools/01.problem.db/src/db/schema.ts‎

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@@ -56,6 +56,50 @@ export const entryTagSchema = z.object({
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updatedAt: timestampSchema,
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})
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export const createEntryInputSchema = {
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title: z.string().describe('The title of the entry'),
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content: z.string().describe('The content of the entry'),
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mood: z
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.string()
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.optional()
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.describe(
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'The mood of the entry (for example: "happy", "sad", "anxious", "excited")',
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),
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location: z
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.string()
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.optional()
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.describe(
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'The location of the entry (for example: "home", "work", "school", "park")',
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),
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weather: z
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.string()
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.optional()
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.describe(
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'The weather of the entry (for example: "sunny", "cloudy", "rainy", "snowy")',
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),
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isPrivate: z
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.number()
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.optional()
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.default(1)
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.describe('Whether the entry is private (1 for private, 0 for public)'),
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isFavorite: z
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.number()
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.optional()
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.default(0)
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.describe(
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'Whether the entry is a favorite (1 for favorite, 0 for not favorite)',
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),
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tags: z
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.array(z.number())
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.optional()
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.describe('The IDs of the tags to add to the entry'),
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}
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export const createTagInputSchema = {
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name: z.string().describe('The name of the tag'),
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description: z.string().optional().describe('The description of the tag'),
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}
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export type Entry = z.infer<typeof entrySchema>
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export type NewEntry = z.infer<typeof newEntrySchema>
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export type Tag = z.infer<typeof tagSchema>

‎exercises/03.advanced-tools/01.solution.db/src/db/schema.ts‎

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@@ -56,6 +56,50 @@ export const entryTagSchema = z.object({
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updatedAt: timestampSchema,
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})
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export const createEntryInputSchema = {
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title: z.string().describe('The title of the entry'),
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content: z.string().describe('The content of the entry'),
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mood: z
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.string()
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.optional()
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.describe(
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'The mood of the entry (for example: "happy", "sad", "anxious", "excited")',
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),
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location: z
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.string()
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.optional()
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.describe(
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'The location of the entry (for example: "home", "work", "school", "park")',
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),
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weather: z
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.string()
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.optional()
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.describe(
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'The weather of the entry (for example: "sunny", "cloudy", "rainy", "snowy")',
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),
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isPrivate: z
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.number()
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.optional()
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.default(1)
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.describe('Whether the entry is private (1 for private, 0 for public)'),
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isFavorite: z
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.number()
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.optional()
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.default(0)
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.describe(
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'Whether the entry is a favorite (1 for favorite, 0 for not favorite)',
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),
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tags: z
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.array(z.number())
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.optional()
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.describe('The IDs of the tags to add to the entry'),
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}
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export const createTagInputSchema = {
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name: z.string().describe('The name of the tag'),
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description: z.string().optional().describe('The description of the tag'),
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}
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export type Entry = z.infer<typeof entrySchema>
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export type NewEntry = z.infer<typeof newEntrySchema>
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export type Tag = z.infer<typeof tagSchema>

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

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@@ -56,6 +56,50 @@ export const entryTagSchema = z.object({
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updatedAt: timestampSchema,
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})
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export const createEntryInputSchema = {
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title: z.string().describe('The title of the entry'),
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content: z.string().describe('The content of the entry'),
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mood: z
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.string()
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.optional()
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.describe(
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'The mood of the entry (for example: "happy", "sad", "anxious", "excited")',
67+
),
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location: z
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.string()
70+
.optional()
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.describe(
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'The location of the entry (for example: "home", "work", "school", "park")',
73+
),
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weather: z
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.string()
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.optional()
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.describe(
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'The weather of the entry (for example: "sunny", "cloudy", "rainy", "snowy")',
79+
),
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isPrivate: z
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.number()
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.optional()
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.default(1)
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.describe('Whether the entry is private (1 for private, 0 for public)'),
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isFavorite: z
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.number()
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.optional()
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.default(0)
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.describe(
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'Whether the entry is a favorite (1 for favorite, 0 for not favorite)',
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),
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tags: z
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.array(z.number())
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.optional()
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.describe('The IDs of the tags to add to the entry'),
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}
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export const createTagInputSchema = {
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name: z.string().describe('The name of the tag'),
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description: z.string().optional().describe('The description of the tag'),
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}
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export type Entry = z.infer<typeof entrySchema>
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export type NewEntry = z.infer<typeof newEntrySchema>
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export type Tag = z.infer<typeof tagSchema>

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

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@@ -2,6 +2,8 @@ import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'
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import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'
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import { z } from 'zod'
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import { DB } from './db/index.ts'
5+
// 🐨 Make tools.ts and you'll export a function called initializeTools:
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// import { initializeTools } from './tools.ts'
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const db = DB.getInstance('./db.sqlite')
79

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},
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)
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// 🐨 move this tool to a function called `initializeTools` in a separate file ./tools.ts
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server.tool(
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'create_tag',
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'Create a new tag',
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}
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},
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)
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// 🐨 call initializeTools with the server and db
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async function main() {
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const transport = new StdioServerTransport()

‎exercises/03.advanced-tools/02.solution.organization/src/db/schema.ts‎

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Original file line numberDiff line numberDiff line change
@@ -56,6 +56,50 @@ export const entryTagSchema = z.object({
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updatedAt: timestampSchema,
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})
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export const createEntryInputSchema = {
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title: z.string().describe('The title of the entry'),
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content: z.string().describe('The content of the entry'),
62+
mood: z
63+
.string()
64+
.optional()
65+
.describe(
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'The mood of the entry (for example: "happy", "sad", "anxious", "excited")',
67+
),
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location: z
69+
.string()
70+
.optional()
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.describe(
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'The location of the entry (for example: "home", "work", "school", "park")',
73+
),
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weather: z
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.string()
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.optional()
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.describe(
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'The weather of the entry (for example: "sunny", "cloudy", "rainy", "snowy")',
79+
),
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isPrivate: z
81+
.number()
82+
.optional()
83+
.default(1)
84+
.describe('Whether the entry is private (1 for private, 0 for public)'),
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isFavorite: z
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.number()
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.optional()
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.default(0)
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.describe(
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'Whether the entry is a favorite (1 for favorite, 0 for not favorite)',
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),
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tags: z
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.array(z.number())
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.optional()
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.describe('The IDs of the tags to add to the entry'),
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}
97+
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export const createTagInputSchema = {
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name: z.string().describe('The name of the tag'),
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description: z.string().optional().describe('The description of the tag'),
101+
}
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export type Entry = z.infer<typeof entrySchema>
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export type NewEntry = z.infer<typeof newEntrySchema>
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export type Tag = z.infer<typeof tagSchema>

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