Campaign link infrastructure for AI-powered marketing teams. Build UTM links, validate destinations (OG tags, Twitter cards, redirects, page speed), and enforce naming conventions — from your terminal or AI agent. CLI (npm install -g missinglinkz), npm package, REST API, and MCP server. Run mlz mcp to expose 9 tools to Cursor, Claude Code, or any MCP-compatible client. Structured JSON output for automation pipelines and LLMs. Free tier: 50 links/month. No card required.