mcp-framework/dist/cli/project/add-resource.js

Framework for building Model Context Protocol (MCP) servers in Typescript

import { writeFile, mkdir } from "fs/promises";
import { join } from "path";
import prompts from "prompts";
import { validateMCPProject } from "../utils/validate-project.js";
import { toPascalCase } from "../utils/string-utils.js";
export async function addResource(name) {
    await validateMCPProject();
    let resourceName = name;
    if (!resourceName) {
        const response = await prompts([
            {
                type: "text",
                name: "name",
                message: "What is the name of your resource?",
                validate: (value) => /^[a-z0-9-]+$/.test(value)
                    ? true
                    : "Resource name can only contain lowercase letters, numbers, and hyphens",
            },
        ]);
        if (!response.name) {
            console.log("Resource creation cancelled");
            process.exit(1);
        }
        resourceName = response.name;
    }
    if (!resourceName) {
        throw new Error("Resource name is required");
    }
    const className = toPascalCase(resourceName);
    const fileName = `${className}Resource.ts`;
    const resourcesDir = join(process.cwd(), "src/resources");
    try {
        await mkdir(resourcesDir, { recursive: true });
        const resourceContent = `import { MCPResource, ResourceContent } from "mcp-framework";

class ${className}Resource extends MCPResource {
  uri = "resource://${resourceName}";
  name = "${className}";
  description = "${className} resource description";
  mimeType = "application/json";

  async read(): Promise<ResourceContent[]> {
    return [
      {
        uri: this.uri,
        mimeType: this.mimeType,
        text: JSON.stringify({ message: "Hello from ${className} resource" }),
      },
    ];
  }
}

export default ${className}Resource;`;
        await writeFile(join(resourcesDir, fileName), resourceContent);
        console.log(`Resource ${resourceName} created successfully at src/resources/${fileName}`);
    }
    catch (error) {
        console.error("Error creating resource:", error);
        process.exit(1);
    }
}