The Pocket Quant
I built a quant research platform, then built an agent to operate it: a scheduled Claude session that reads the boards, keeps a pre-registered track record, and texts me three times a day without ever saying buy.
Posts tagged platform-engineering
4 posts
Prompt caching is a prefix match, not a flag
Prompt caching looks like a flag you flip for a cheaper bill. It is really the reuse of a stored prompt prefix, governed by three rules, and applying it across four parts of my own system showed where it pays, where it quietly does nothi…
Tell Me Everything That's Wrong: Validation as a Batch Operation
Why good validation reports every problem at once instead of failing on the first one, and how to build the accumulator, phasing, and structured errors that make it work.
Designing Safety Guardrails for Distributed Workflow Orchestration
Patterns for pre-execution safety checks, parallel validation, opt-out design, and extensible guardrail architecture on workflow platforms.