Glean MCP Server

import { trace, error } from '../log/logger.js'; /** * Validates that the given instance name is valid by checking its liveness endpoint. * Makes a fetch request to https://{instance}-be.glean.com/liveness_check * * @param instance - The instance name to validate * @returns A Promise that resolves to true if the instance is valid */ export async function validateInstance(instance: string): Promise<boolean> { if (!instance) { trace('No instance provided for validation'); return false; } try { const url = `https://${instance}-be.glean.com/liveness_check`; trace(`Checking instance validity with: ${url}`); const response = await fetch(url, { method: 'GET', headers: { Accept: 'application/json', }, }); // We only care that the request succeeds, not about the response content if (!response.ok) { error( `Instance validation failed for ${instance}: ${response.status} ${response.statusText}`, ); return false; } return true; } catch (err) { const cause = err instanceof Error ? err : new Error(String(err)); error(`Instance validation failed: ${cause.message}`); return false; } }