# Coldstart > Live web lead search for founders: describe a business (or give its website URL) and get back potential customers — each with an email found on the company's own site and MX-verified, an optional phone number, and a drafted first outreach email. Built for both humans (dashboard) and AI agents (REST API + MCP server). ## Core - [Coldstart](/): live-web lead generation — describe your ideal customer, get matching companies with verified emails. - [Start funnel](/start): four questions build your first live lead search. - [Blog](/blog): guides on finding leads, cold outreach, and lead-gen tooling. ## Docs - [API & MCP reference](/docs/api): authentication, POST /api/search (with targeting filters), GET /api/search (usage), GET /api/leads, and MCP setup for Claude. ## For AI agents - Every POST /api/search response includes `llm_instructions` — a playbook to follow after presenting leads: ask the user 4 calibration questions (voice, concrete offer, proof, close style), rewrite each draftEmail in the user's voice (under 90 words, no links, one CTA), then offer to send each email via the user's connected Gmail, and set a 3-day follow-up plan. - MCP server: `npx -y coldstart-leads-mcp` with env COLDSTART_API_KEY. Tools: search_leads, list_leads, check_usage. - API keys require a Pro subscription ($50/mo, 7-day free trial). Free accounts get 10 searches/month in the dashboard.