MCP Datadog Server

import fs from 'fs'; import path from 'path'; import { fileURLToPath } from 'url'; const __dirname = path.dirname(fileURLToPath(import.meta.url)); const projectRoot = path.resolve(__dirname, '../..'); const DEFAULT_SCHEMA_PATH = path.join(projectRoot, 'datadog-api-collection-schema.json'); function parseNumber(value, fallback) { if (value === undefined || value === null || value === '') return fallback; const num = Number(value); return Number.isNaN(num) ? fallback : num; } function parseBoolean(value, fallback = false) { if (value === undefined || value === null || value === '') return fallback; const str = String(value).toLowerCase(); return str === 'true' || str === '1' || str === 'yes'; } function parseFolders(value) { if (!value) return null; if (Array.isArray(value)) { const filtered = value.map(v => String(v).trim()).filter(Boolean); return filtered.length ? filtered : null; } const str = String(value).trim(); if (!str || str === '*' || str.toLowerCase() === 'all') return null; const folders = str.split(',').map(v => v.trim()).filter(Boolean); return folders.length ? folders : null; } function getCredentials(env) { return { apiKey: env.DD_API_KEY || env.DATADOG_API_KEY || env.DD_CLIENT_API_KEY, appKey: env.DD_APP_KEY || env.DATADOG_APP_KEY || env.DD_APPLICATION_KEY || env.DD_CLIENT_APP_KEY, }; } export function loadConfig(env = process.env) { const schemaPath = env.MCP_DD_SCHEMA_PATH || DEFAULT_SCHEMA_PATH; const allowedFolders = parseFolders(env.MCP_DD_FOLDERS); const site = env.DD_SITE || env.DATADOG_SITE || 'datadoghq.com'; const subdomain = env.DD_SUBDOMAIN || 'api'; const maxRetries = parseNumber(env.MCP_DD_MAX_RETRIES, 3); const retryBaseMs = parseNumber(env.MCP_DD_RETRY_BASE_MS, 1000); const respectRetryAfter = !parseBoolean(env.MCP_DD_IGNORE_RETRY_AFTER, false); const userAgent = env.MCP_DD_USER_AGENT || 'mcp-datadog-server'; const timeoutMs = parseNumber(env.MCP_DD_TIMEOUT_MS, 30000); const credentials = getCredentials(env); return { schemaPath, allowedFolders, site, subdomain, maxRetries, retryBaseMs, respectRetryAfter, userAgent, timeoutMs, credentials, }; } export function validateConfig(config) { const errors = []; const warnings = []; if (!config.credentials.apiKey) { errors.push('DD_API_KEY is required'); } if (!config.credentials.appKey) { errors.push('DD_APP_KEY is required'); } const schemaExists = fs.existsSync(config.schemaPath); if (!schemaExists) { warnings.push(`Schema file not found at ${config.schemaPath}`); } if (config.maxRetries < 0 || config.maxRetries > 10) { warnings.push('maxRetries should be between 0 and 10'); } if (config.timeoutMs < 1000 || config.timeoutMs > 300000) { warnings.push('timeoutMs should be between 1000 and 300000 (5 minutes)'); } return { valid: errors.length === 0, errors, warnings, schemaExists, }; } function redactSecret(secret) { if (!secret) return '(not set)'; if (secret.length <= 6) return '***'; return `${secret.slice(0, 3)}***${secret.slice(-3)}`; } export function summarizeConfig(config) { return { schemaPath: config.schemaPath, allowedFolders: config.allowedFolders || '(all)', site: config.site, subdomain: config.subdomain, maxRetries: config.maxRetries, retryBaseMs: config.retryBaseMs, respectRetryAfter: config.respectRetryAfter, userAgent: config.userAgent, timeoutMs: config.timeoutMs, credentials: { apiKey: redactSecret(config.credentials.apiKey), appKey: redactSecret(config.credentials.appKey), }, }; }