Edition of October 26, 2026Use cases · with prompt · with sourcePTEN

Home / Productivity

Productivity · Newsletter · 🇺🇸 United States · via agentusecases.ai

Non-coding CEO uses Claude Code for email and budgeting

Michael Crist asked for only the emails from real people waiting for a reply and built the family budget from statements.

Profession
Executive
Tools
Claude Code
Source
michaelcrist.substack.com ↗
Country
🇺🇸 United States
Found via
agentusecases.ai (Alex Finn) ↗
Report date
no date
Verified on
October 25, 2026
Illustrative photo: Services/Technology sector

What they did

He ran Claude Code in a project folder and connected Gmail. He asked for only the emails from real people who were waiting for a reply. For the budget, he loaded bank transactions and card statements, and the agent categorized them and built the summary.

How it went

The post describes both workflows working for a non-programmer.

Good to know

The "real people waiting for a reply" filter is great for anyone drowning in email.

The prompt

From my emails over the last [days], list only those sent by people (not newsletters or automated messages) who are waiting for a reply from me, with a one-line summary of context and the urgency.

Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).

Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Case found via agentusecases.ai (Alex Finn); text and prompt rewritten by us. Found a mistake?

Illustrative photo: Services/Technology sector01
Productivity🇺🇸 United States

Executive builds an "anti-system" task system

Hilary Gridley captures tasks with a tap on her iPhone and lets Claude organize them and learn her preferences.

ExecutiveClaude Code
Newsletter · via agentusecases.aiSee prompt →
Illustrative photo: Telecom sector02
Productivity🌐 International

Claude doubled the speed of a home Wi-Fi network

A user asked for help with slow internet; the agent ran tests, read the Mac's signal data and walked them through the router settings.

ConsumerClaude Code
News · via agentusecases.aiSee prompt →
Illustrative photo: Services/Technology sector03
Productivity🇺🇸 United States

Product manager turns scattered notes into a priority list

Ron Forbes dumps meeting notes into a folder and Claude Code returns summaries and tasks sorted by priority.

Product ManagerClaude CodeObsidian
Blog · via agentusecases.aiSee prompt →
Illustrative photo: Tourism sector04
Productivity🌐 International

The agent called the restaurant when the online booking failed

Nick Larkins asked for a dinner reservation; with the site fully booked, OpenClaw built a calling app and phoned.

ExecutiveOpenClaw
News · via agentusecases.aiSee prompt →
Illustrative photo: Services/Technology sector05
Productivity🇧🇷 Brazil

When your AI limit runs out in the middle of the day

A dev running four subagents across four repositories ran out of tokens and reflected on their dependence on AI.

DeveloperClaude CodeGemini
TabnewsSee prompt →
Illustrative photo: Services/Technology sector06
Productivity🇧🇷 Brazil

Estimating how long your AI plan will last before it runs out

A dev published an open calculation to estimate how many tokens fit into the Pro/Max plans.

DeveloperClaude CodeCodex
TabnewsSee prompt →
Illustrative photo: Tourism sector07
Productivity🇺🇸 United States

A table at a hard-to-book restaurant without refreshing the website

The user asked the concierge to watch for an opening at Don Angie; the agent booked it as soon as one appeared.

ConsumerOdessia
X · via agentusecases.aiSee prompt →
Illustrative photo: Services/Technology sector08
Productivity🇺🇸 United States

Daily newsletters become a podcast at 5 a.m.

The agent reads the newsletters under a label, skips the weak ones, summarizes the rest and generates audio with a local voice.

IT ProfessionalClaude CoworkQwen TTS
Newsletter · via agentusecases.aiSee prompt →

The newsletter · Caderno de IA

As 5 da semana

5 AI use cases with prompts, every Tuesday in your inbox. Free, with sources. The newsletter is written in Portuguese.

No spam. Unsubscribe anytime.

We use your email only to send the newsletter. See the privacy policy.