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Optional static type-checking for JavaScript.

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Building an EVM Transaction Manager for Automated Trading Bots

Building an EVM Transaction Manager for Automated Trading Bots

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9 min read
€9,99 per month is a paywall, €1,450 per month is the rent, and two digits is the whole difference

€9,99 per month is a paywall, €1,450 per month is the rent, and two digits is the whole difference

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6 min read
Our uncertainty is a field on the rule set, not a sentence in the copy deck

Our uncertainty is a field on the rule set, not a sentence in the copy deck

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5 min read
We deleted the list of retailers from our label parser, because a list only ever saves the first sighting

We deleted the list of retailers from our label parser, because a list only ever saves the first sighting

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5 min read
Build a web-aware TypeScript agent with Mastra and Zenrows

Build a web-aware TypeScript agent with Mastra and Zenrows

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12 min read
An LLM agent that qualifies B2B leads from AmoCRM: notes from a production build

An LLM agent that qualifies B2B leads from AmoCRM: notes from a production build

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3 min read
Our background job deletes its own input, and moving that delete one step earlier broke every retry

Our background job deletes its own input, and moving that delete one step earlier broke every retry

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5 min read
The model's explanation had the right answer. Its verdict didn't.

The model's explanation had the right answer. Its verdict didn't.

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12 min read
Keeping multiplayer board game rules honest: pure reducers on the server

Keeping multiplayer board game rules honest: pure reducers on the server

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2 min read
OpenAI’s Decisions API Is in Public Beta. Build a Typed Router in TypeScript.

OpenAI’s Decisions API Is in Public Beta. Build a Typed Router in TypeScript.

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6 min read
Our own rate limiter answered "valid: false", and the licence check believed it

Our own rate limiter answered "valid: false", and the licence check believed it

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5 min read
Two conditions, one product, and the rule we deliberately apply to only one of them

Two conditions, one product, and the rule we deliberately apply to only one of them

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6 min read
A label that prints "nuts" is evidence. The same word inferred from "almond" is not.

A label that prints "nuts" is evidence. The same word inferred from "almond" is not.

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5 min read
Provider Abstraction for LLMs: From One Provider to Many

Provider Abstraction for LLMs: From One Provider to Many

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8 min read
Asynchronous ERP Sync Engine: High-Throughput Webhook Ingestion & Durable Queue Orchestration

Asynchronous ERP Sync Engine: High-Throughput Webhook Ingestion & Durable Queue Orchestration

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2 min read
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