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Notes from our engineers
Practical engineering writing from the team — security, performance, tooling and the things we run into on client projects. Mostly Ruby on Rails, because that's where our engineers are deepest.
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Gems
30 September 2026 · 17 min read
The agents write the code. Your team decides what gets built.
plan_driven is an open source Ruby gem that takes a Rails feature from an approved implementation plan to merged, tested pull requests, with one Cursor agent per ticket and guards written in Ruby at every step.
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Gems
29 September 2026 · 20 min read
You don't need a heavy agent to count your customers
rails_agent_console puts a small AI inside rails console. Ask in English, read the ActiveRecord query before it runs. About 1,700 tokens and $0.0003 a question, or free on Ollama.
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