/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import {execSync} from 'node:child_process';
import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';
const serverJsonFilePath = path.join(process.cwd(), 'server.json');
const serverJson = JSON.parse(fs.readFileSync(serverJsonFilePath, 'utf-8'));
const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'mcp-verify-'));
try {
const osName = os.platform();
const arch = os.arch();
let platform = '';
if (osName === 'darwin') {
platform = 'darwin';
} else if (osName === 'linux') {
platform = 'linux';
}
// mcp-publisher does not support windows
else {
throw new Error(`Unsupported platform: ${osName}`);
}
let archName = '';
if (arch === 'x64') {
archName = 'amd64';
} else if (arch === 'arm64') {
archName = 'arm64';
} else {
throw new Error(`Unsupported architecture: ${arch}`);
}
const osArch = `${platform}_${archName}`;
const binName = 'mcp-publisher';
const downloadUrl = `https://github.com/modelcontextprotocol/registry/releases/latest/download/${binName}_${osArch}.tar.gz`;
console.log(`Downloading ${binName} from ${downloadUrl}`);
const downloadCmd = `curl -L "${downloadUrl}" | tar xz -C "${tmpDir}" ${binName}`;
execSync(downloadCmd, {stdio: 'inherit'});
const publisherPath = path.join(tmpDir, binName);
fs.chmodSync(publisherPath, 0o755);
console.log(`Downloaded to ${publisherPath}`);
// Create the new server.json in the temporary directory
execSync(`${publisherPath} init`, {cwd: tmpDir, stdio: 'inherit'});
const newServerJsonPath = path.join(tmpDir, 'server.json');
const newServerJson = JSON.parse(fs.readFileSync(newServerJsonPath, 'utf-8'));
const propertyToVerify = ['$schema'];
const diffProps = [];
for (const prop of propertyToVerify) {
if (serverJson[prop] !== newServerJson[prop]) {
diffProps.push(prop);
}
}
if (diffProps.length) {
throw new Error(
`The following props in ${serverJsonFilePath} did not match the latest init value:\n${diffProps.map(
prop =>
`- "${prop}": expected "${newServerJson[prop]}", got "${serverJson[prop]}"`,
)}`,
);
}
} finally {
fs.rmSync(tmpDir, {recursive: true, force: true});
}
