# Demo publication > Publications from Demo publication, made with Letter.md. - [Homepage](https://demo.letter.pub/) - [Archive](https://demo.letter.pub/archive) - [RSS feed](https://demo.letter.pub/feed.xml) - [Public Letter.pub MCP server](https://mcp.letter.pub/mcp) ## Publications - [Launch Checklist](https://demo.letter.pub/launch-checklist): Launch readiness checklist1 - Product brief approved - Security review complete2 - Support playbook ready - Analytics dashboards verified - Rollback plan tested The Product Lead is the final go/no-go decision owner. Decision criteria The launch proceeds only when every critical requirement is…