"Free PostgreSQL Database Solutions" matching MCP connectors:

Free US cleaning cost, time, crew, and chemical-use calculators with visual reports.

OWID MCP — Our World in Data chart/indicator access (free, no auth)

SaaS runway calculator (MRR growth vs churn), breakeven, burn multiple. Free MCP connector.

Our free Marketgenius investment tools as live, interactive React MCP Apps.

Privacy-first, cookie-free web analytics: create sites, install and verify tracking, read stats.

Create and manage Gantt project charts directly from Claude — add tasks and milestones, link all four dependency types, duplicate/share charts, and export to Markdown, CSV, Mermaid, or .gantt. Backed by the free, no-signup ganttchartmaker.app, with cloud save and real-time collaboration.