Build Your First MCP Server (TypeScript)
Give Claude new tools: a read-only MCP server over your notes folder with list, read and search, tested with the MCP Inspector.
TypeScript
Everything shared for this topic.
Chrome Extension: Summarise Any Page with Claude
A Manifest V3 extension: click the icon, get a 5-bullet summary of the page you are reading. Bring-your-own API key, minimal permissions.
Invoice Generator with PDF Download
Fill in client and line items, see a live preview, download a clean PDF. Totals in integer cents, saved in the browser, no backend.
End-to-End Tests for Any Web App (Playwright MCP)
Let your AI open your app in a real browser, map the key flows and write reliable Playwright tests, then run them on every push.
Offline Expense Tracker (installable app)
Track spending by category and month, set budgets and export CSV. Installs like an app and works with no internet.