Hugging Face MCP Server

import type { Request } from 'express'; /** * Extracts supported query parameters from the request and sets corresponding headers * This centralizes the logic for converting URL query parameters to internal headers * used by the tool selection strategy. */ export function extractQueryParamsToHeaders(req: Request, headers: Record<string, string>): void { const bouquet = req.query.bouquet as string | undefined; const mix = Array.isArray(req.query.mix) ? req.query.mix.join(',') : (req.query.mix as string | undefined); const gradio = req.query.gradio as string | undefined; const forceauth = req.query.forceauth as string | undefined; const login = req.query.login; const auth = req.query.auth; const noImageContent = Array.isArray(req.query.no_image_content) ? req.query.no_image_content[0] : req.query.no_image_content; if (bouquet) { headers['x-mcp-bouquet'] = bouquet; } if (mix) { headers['x-mcp-mix'] = mix; } if (gradio) { headers['x-mcp-gradio'] = gradio; } if (typeof noImageContent === 'string') { const normalized = noImageContent.trim().toLowerCase(); if (normalized === 'true' || normalized === '1' || normalized === 'yes' || normalized === '') { headers['x-mcp-no-image-content'] = 'true'; } } // Check if forceauth, login, or auth appears in the URL (with or without values) if (forceauth || login !== undefined || auth !== undefined) { headers['x-mcp-force-auth'] = 'true'; } }