Merge pull request #16 from sveltejs/restructure

Author: paoloricciuti

.cocoignore

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+.claude
+.github

.vscode/mcp-snippets.code-snippets

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+{
+	// Place your svelte-mcp workspace snippets here. Each snippet is defined under a snippet name and has a scope, prefix, body and
+	// description. Add comma separated ids of the languages where the snippet is applicable in the scope field. If scope
+	// is left empty or omitted, the snippet gets applied to all languages. The prefix is what is
+	// used to trigger the snippet and the body will be expanded and inserted. Possible variables are:
+	// $1, $2 for tab stops, $0 for the final cursor position, and ${1:label}, ${2:another} for placeholders.
+	// Placeholders with the same ids are connected.
+	// Example:
+	"Setup Function": {
+		"scope": "javascript,typescript",
+		"prefix": "!setup-mcp",
+		"body": [
+			"import type { SvelteMcp } from '../../index.js';",
+			"import * as v from 'valibot';",
+			"",
+			"export function ${1:function_name}(server: SvelteMcp) {",
+			"\t$0",
+			"}",
+		],
+		"description": "Create a setup function for a tool/resource/prompt handler",
+	},
+	"Autofixer": {
+		"scope": "javascript,typescript",
+		"prefix": "!autofixer",
+		"body": [
+			"import type { Autofixer } from '.';",
+			"export const ${1:autofixer_name}: Autofixer = {",
+			"\t$0",
+			"};",
+		],
+		"description": "Create a setup export for an autofixer",
+	},
+}

docs/tmcp.md

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+> [!WARNING]
+> Unfortunately i published the 1.0 by mistake...this package is currently under heavy development so there will be breaking changes in minors...threat this `1.x` as the `0.x` of any other package. Sorry for the disservice, every breaking will be properly labeled in the PR name.
+
+# tmcp
+
+A lightweight, schema-agnostic Model Context Protocol (MCP) server implementation with unified API design.
+
+## Why tmcp?
+
+tmcp offers significant advantages over the official MCP SDK:
+
+- **🔄 Schema Agnostic**: Works with any validation library through adapters
+- **📦 No Weird Dependencies**: Minimal footprint with only essential dependencies (looking at you `express`)
+- **🎯 Unified API**: Consistent, intuitive interface across all MCP capabilities
+- **🔌 Extensible**: Easy to add support for new schema libraries
+- **⚡ Lightweight**: No bloat, just what you need
+
+## Supported Schema Libraries
+
+tmcp works with all major schema validation libraries through its adapter system:
+
+- **Zod** - `@tmcp/adapter-zod`
+- **Valibot** - `@tmcp/adapter-valibot`
+- **ArkType** - `@tmcp/adapter-arktype`
+- **Effect Schema** - `@tmcp/adapter-effect`
+- **Zod v3** - `@tmcp/adapter-zod-v3`
+
+## Installation
+
+```bash
+pnpm install tmcp
+# Choose your preferred schema library adapter
+pnpm install @tmcp/adapter-zod zod
+# Choose your preferred transport
+pnpm install @tmcp/transport-stdio  # For CLI/desktop apps
+pnpm install @tmcp/transport-http   # For web-based clients
+```
+
+## Quick Start
+
+### Standard I/O Transport (CLI/Desktop)
+
+```javascript
+import { McpServer } from 'tmcp';
+import { ZodJsonSchemaAdapter } from '@tmcp/adapter-zod';
+import { StdioTransport } from '@tmcp/transport-stdio';
+import { z } from 'zod';
+
+const adapter = new ZodJsonSchemaAdapter();
+const server = new McpServer(
+	{
+		name: 'my-server',
+		version: '1.0.0',
+		description: 'My awesome MCP server',
+	},
+	{
+		adapter,
+		capabilities: {
+			tools: { listChanged: true },
+			prompts: { listChanged: true },
+			resources: { listChanged: true },
+		},
+	},
+);
+
+// Define a tool with type-safe schema
+server.tool(
+	{
+		name: 'calculate',
+		description: 'Perform mathematical calculations',
+		schema: z.object({
+			operation: z.enum(['add', 'subtract', 'multiply', 'divide']),
+			a: z.number(),
+			b: z.number(),
+		}),
+	},
+	async ({ operation, a, b }) => {
+		switch (operation) {
+			case 'add':
+				return a + b;
+			case 'subtract':
+				return a - b;
+			case 'multiply':
+				return a * b;
+			case 'divide':
+				return a / b;
+		}
+	},
+);
+
+// Start the server with stdio transport
+const transport = new StdioTransport(server);
+transport.listen();
+```
+
+### HTTP Transport (Web-based)
+
+```javascript
+import { McpServer } from 'tmcp';
+import { ZodJsonSchemaAdapter } from '@tmcp/adapter-zod';
+import { HttpTransport } from '@tmcp/transport-http';
+import { z } from 'zod';
+
+const adapter = new ZodJsonSchemaAdapter();
+const server = new McpServer(/* ... same server config ... */);
+
+// Add tools as above...
+
+// Create HTTP transport
+const transport = new HttpTransport(server);
+
+// Use with your preferred HTTP server (Bun example)
+Bun.serve({
+	port: 3000,
+	async fetch(req) {
+		const response = await transport.respond(req);
+		if (response === null) {
+			return new Response('Not Found', { status: 404 });
+		}
+		return response;
+	},
+});
+```
+
+## API Reference
+
+### McpServer
+
+The main server class that handles MCP protocol communications.
+
+#### Constructor
+
+```javascript
+new McpServer(serverInfo, options);
+```
+
+- `serverInfo`: Server metadata (name, version, description)
+- `options`: Configuration object with adapter and capabilities
+
+#### Methods
+
+##### `tool(definition, handler)`
+
+Register a tool with optional schema validation.
+
+```javascript
+server.tool(
+	{
+		name: 'tool-name',
+		description: 'Tool description',
+		schema: yourSchema, // optional
+	},
+	async (input) => {
+		// Tool implementation
+		return result;
+	},
+);
+```
+
+##### `prompt(definition, handler)`
+
+Register a prompt template with optional schema validation.
+
+```javascript
+server.prompt(
+  {
+	name: 'prompt-name',
+	description: 'Prompt description',
+	schema: yourSchema, // optional
+	complete: (arg, context) => ['completion1', 'completion2'] // optional
+  },
+  async (input) => {
+	// Prompt implementation
+	return { messages: [...] };
+  }
+);
+```
+
+##### `resource(definition, handler)`
+
+Register a static resource.
+
+```javascript
+server.resource(
+  {
+	name: 'resource-name',
+	description: 'Resource description',
+	uri: 'file://path/to/resource'
+  },
+  async (uri, params) => {
+	// Resource implementation
+	return { contents: [...] };
+  }
+);
+```
+
+##### `template(definition, handler)`
+
+Register a URI template for dynamic resources.
+
+```javascript
+server.template(
+  {
+	name: 'template-name',
+	description: 'Template description',
+	uri: 'file://path/{id}/resource',
+	complete: (arg, context) => ['id1', 'id2'] // optional
+  },
+  async (uri, params) => {
+	// Template implementation using params.id
+	return { contents: [...] };
+  }
+);
+```
+
+##### `receive(request)`
+
+Process an incoming MCP request.
+
+```javascript
+const response = server.receive(jsonRpcRequest);
+```
+
+## Advanced Examples
+
+### Multiple Schema Libraries
+
+```javascript
+// Use different schemas for different tools
+import { z } from 'zod';
+import * as v from 'valibot';
+
+server.tool(
+	{
+		name: 'zod-tool',
+		schema: z.object({ name: z.string() }),
+	},
+	async ({ name }) => `Hello ${name}`,
+);
+
+server.tool(
+	{
+		name: 'valibot-tool',
+		schema: v.object({ age: v.number() }),
+	},
+	async ({ age }) => `Age: ${age}`,
+);
+```
+
+### Resource Templates with Completion
+
+```javascript
+server.template(
+	{
+		name: 'user-profile',
+		description: 'Get user profile by ID',
+		uri: 'users/{userId}/profile',
+		complete: (arg, context) => {
+			// Provide completions for userId parameter
+			return ['user1', 'user2', 'user3'];
+		},
+	},
+	async (uri, params) => {
+		const user = await getUserById(params.userId);
+		return {
+			contents: [
+				{
+					uri,
+					mimeType: 'application/json',
+					text: JSON.stringify(user),
+				},
+			],
+		};
+	},
+);
+```
+
+### Complex Validation
+
+```javascript
+const complexSchema = z.object({
+	user: z.object({
+		name: z.string().min(1),
+		email: z.string().email(),
+		age: z.number().min(18).max(120),
+	}),
+	preferences: z
+		.object({
+			theme: z.enum(['light', 'dark']),
+			notifications: z.boolean(),
+		})
+		.optional(),
+	tags: z.array(z.string()).default([]),
+});
+
+server.tool(
+	{
+		name: 'create-user',
+		description: 'Create a new user with preferences',
+		schema: complexSchema,
+	},
+	async (input) => {
+		// Input is fully typed and validated
+		const { user, preferences, tags } = input;
+		return await createUser(user, preferences, tags);
+	},
+);
+```
+
+## Contributing
+
+Contributions are welcome! Please see our [contributing guidelines](../../CONTRIBUTING.md) for details.
+
+## Acknowledgments
+
+Huge thanks to Sean O'Bannon that provided us with the `@tmcp` scope on npm.
+
+## License
+
+MIT © Paolo Ricciuti

src/lib/mcp/handlers/index.ts

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+import type { SvelteMcp } from '../index.js';
+import * as prompts from './prompts/index.js';
+import * as tools from './tools/index.js';
+import * as resources from './resources/index.js';
+
+export function setup_tools(server: SvelteMcp) {
+	for (const tool in tools) {
+		tools[tool as keyof typeof tools](server);
+	}
+}
+
+export function setup_prompts(server: SvelteMcp) {
+	for (const prompt in prompts) {
+		prompts[prompt as keyof typeof prompts](server);
+	}
+}
+
+export function setup_resources(server: SvelteMcp) {
+	for (const resource in resources) {
+		resources[resource as keyof typeof resources](server);
+	}
+}

src/lib/mcp/handlers/prompts/index.ts

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+export * from './svelte-task.js';