The 4 skills built into Claude (Excel, PowerPoint, Word, PDF): the one switch, the exact prompts I tested, and what to check in every file. Works on the free plan.
Claude Skills Kit
Unlocks with the post
Sat 7 Nov, 09:50 Swiss time
0d 00h 00m 00s
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More free kits
Always-On Agent Kit
Every AI lab now has an agent that works while you sleep, but most don't work in Europe. Inside: where Duet, Dots, Muse, Spark and Grok Bot stand, and how to build your own morning agent with Claude Code.
From the carousel: “5 AI agents now work while you sleep”sangeeths.ai/agent
Codex Harness Kit
Your coding agent isn't done until the tests pass. Inside: my Codex Stop hook, the acceptance-test template, how to trust hooks in Codex and the same hook for Claude Code.
From the Reel: “Is the agent harness dead?”sangeeths.ai/harness
AI Coding Kit
Let Claude Code grill you before it writes a single line. Inside: the 30-second skill install, my full 16-question Stripe session, the 4 engineering rules as copy-paste prompts and my CLAUDE.md starter template.
From the Reel: “16 questions before 1 line of code”sangeeths.ai/grill
Paper Reading Kit
Read any AI research paper with Claude in 10 minutes. Inside: my 3 prompts, the Claude Project setup, a bonus prompt that turns a paper into code and 10 AI papers every engineer should read.
From the Reel: “3 prompts to read any AI paper”sangeeths.ai/paper