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Productivity · Tabnews · 🇧🇷 Brazil

Sending AI summaries and research straight to your Kindle

A developer built a Go MCP in minutes that lets Claude or Codex send texts to a Kindle.

Profession
Developer, Reader
Tools
Claude, Codex, MCP
Source
tabnews.com.br ↗
Country
🇧🇷 Brazil
Report date
July 30, 2026
Verified on
October 24, 2026
Illustrative photo: Services/Technology sector

What they did

He created an MCP server that uses SMTP and Amazon's "Send to Kindle".

How it went

The account gives no numbers.

Good to know

Keep the SMTP password in an environment variable, never in the prompt.

The prompt

Research [topic] and write a 1,500-word reading summary with sections and references. Format it for reading on an e-reader.

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 ↗ Found a mistake?

Illustrative photo: Services/Technology sector01
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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
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Illustrative photo: Services/Technology sector02
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Building a "thinking system" with Obsidian and Claude

A developer started recording what he learns in Obsidian and using Claude to connect notes.

DeveloperStudentObsidianClaude
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Illustrative photo: Services/Technology sector03
Marketing and Content🇧🇷 Brazil

Letting AI actually edit videos in Kdenlive

A dev created an open source MCP server that lets agents edit video in Kdenlive without touching the interface.

Content CreatorDeveloperClaudeMCP
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Illustrative photo: Construction sector04
Productivity🇺🇸 United States

One week to find an apartment in San Francisco

A new hire used Claude and ChatGPT to list property managers and filter listings by price and area.

TenantClaudeChatGPT
News · via agentusecases.aiSee prompt →
Illustrative photo: Food sector05
Productivity🇺🇸 United States

Recipes picky kids will eat, organized by Codex

Beth Gebhard asked for recipes from a favorite site; the agent filtered them, rated them and created a spreadsheet and a Drive folder.

ParentCodex
Newsletter · via agentusecases.aiSee prompt →
Illustrative photo: Services/Technology sector06
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
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Illustrative photo: Tourism sector07
Productivity🇧🇷 Brazil

Running an offline AI assistant on your iPhone

A dev built Anvil, which runs models on the device for use on a plane, on the subway or without roaming.

DeveloperTravelerGemmaCore ML
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Illustrative photo: Finance sector08
Productivity🇧🇷 Brazil

Setting up a monthly bank reconciliation routine with AI

A finance professional describes how to use ChatGPT to cross-check a bank statement against the general ledger and flag differences.

AccountantFinancial AnalystChatGPTCodex
LinkedInSee prompt →

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