blah-mcp

import { Command } from "commander"; import { BlahValidator } from "@blahai/schema"; import { readFileSync, writeFileSync, existsSync } from "fs"; import { fileURLToPath } from "url"; import path from "path"; import chalk from "chalk"; // Initialize validator once const validator = new BlahValidator(); export function registerSchemaCommands(program: Command) { const schema = program .command("schema") .description("Blah schema validation tools"); schema .command("validate") .description("Validate a blah.json configuration file") .argument("<file>", "Path to blah.json file") .action((file) => { try { const filePath = path.resolve(file); const content = readFileSync(filePath, "utf-8"); const data = JSON.parse(content); const result = validator.validate(data); if (result.valid) { console.log(chalk.green("✓ Configuration is valid!")); console.log(chalk.blue("Manifest Details:")); console.log(chalk.yellow("Name:"), data.name); console.log(chalk.yellow("Version:"), data.version); console.log(chalk.yellow("Tools:"), data.tools?.length || 0); if (data.prompts) { console.log(chalk.yellow("Prompts:"), data.prompts.length); } if (data.resources) { console.log(chalk.yellow("Resources:"), data.resources.length); } if (data.flows) { console.log(chalk.yellow("Flows:"), data.flows.length); } process.exit(0); } else { console.log(chalk.red("✗ Configuration is invalid:")); console.log(JSON.stringify(result.errors, null, 2)); process.exit(1); } } catch (error) { if (error instanceof Error) { console.log(chalk.red("Error:"), error.message); } else { console.log(chalk.red("An unknown error occurred")); } process.exit(1); } }); schema .command("init") .description("Initialize a new blah.json file") .argument("[file]", "Output file path", "blah.json") .action((file) => { try { const targetPath = path.resolve(file); if (existsSync(targetPath)) { console.log(chalk.red("✗ File already exists:"), targetPath); process.exit(1); } // Get the example file from node_modules const pkgPath = path.dirname(fileURLToPath(import.meta.resolve("@blahai/schema"))); const examplePath = path.join(pkgPath, "examples", "sample-blah.json"); const exampleContent = readFileSync(examplePath, "utf-8"); writeFileSync(targetPath, exampleContent); console.log(chalk.green("✓ Created new blah.json file at:"), targetPath); process.exit(0); } catch (error) { if (error instanceof Error) { console.log(chalk.red("Error:"), error.message); } else { console.log(chalk.red("An unknown error occurred")); } process.exit(1); } }); }