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Slowth Money: a local AI agent for your financial goals

Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady Submission 🦥

Slowth Money: a local AI agent for your financial goals

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5 min read
I banned arithmetic in my invoicing app and enforced it with an AST test

I banned arithmetic in my invoicing app and enforced it with an AST test

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7 min read
We rebuilt our Kalshi API starter from its own prompt. Live data found five bugs.

We rebuilt our Kalshi API starter from its own prompt. Live data found five bugs.

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12 min read
Validate a ratio before formatting it as a percentage

Validate a ratio before formatting it as a percentage

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2 min read
From invoice to paid to QuickBooks Online: modeling one billing flow across cards, ACH and stablecoins

From invoice to paid to QuickBooks Online: modeling one billing flow across cards, ACH and stablecoins

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7 min read
Choosing Image Generation Models — DALL-E 3, SDXL, and Flux for Web App Speed

Choosing Image Generation Models — DALL-E 3, SDXL, and Flux for Web App Speed

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5 min read
Where a deposit watcher starts reading is not the reorg window

Where a deposit watcher starts reading is not the reorg window

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6 min read
Building a Savings Calculator in JavaScript: The APY Mistake That Inflates Results

Building a Savings Calculator in JavaScript: The APY Mistake That Inflates Results

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4 min read
A Gift Card Balance Is a Projection, Not Just a Number

A Gift Card Balance Is a Projection, Not Just a Number

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2 min read
How far back each exchange's API actually lets you go (11 exchanges compared)

How far back each exchange's API actually lets you go (11 exchanges compared)

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6 min read
Money without floats: parsing rupees as integer paise

Money without floats: parsing rupees as integer paise

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7 min read
RWA tokenization process: a step-by-step guide (2026)

RWA tokenization process: a step-by-step guide (2026)

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10 min read
I tried to beat the simplest baseline with a fraud trust score. Pre-registering the test taught me this.

I tried to beat the simplest baseline with a fraud trust score. Pre-registering the test taught me this.

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7 min read
One Install, Many Trips: Designing Reusable eSIM Profiles, Top-ups and Unused-Data Refunds

One Install, Many Trips: Designing Reusable eSIM Profiles, Top-ups and Unused-Data Refunds

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5 min read
Credit Card Payments Are NOT Expenses — Here's What They Actually Are

Credit Card Payments Are NOT Expenses — Here's What They Actually Are

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5 min read
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