Field notes from principal-scope platform work.
Case studies, essays, and tools on safety-critical platforms, workflow orchestration, and AI-augmented engineering, the work that backs the writing at case studies and the field notes on the blog. For the person behind the work, see ericcaskey.com.
Capabilities
Platform-enforced safety for automated infrastructure operations. Teams build workflows; the platform ensures they meet reliability standards before anything executes.
Infrastructure observability standardized at enterprise scale: 400,000+ monitors at Prudential, and monitoring standards adopted across thousands of services at Amazon.
A spec architecture where AI agents inherit curated context rather than full codebases, the methodology behind caskeycoding.com, applied to production platform infrastructure.
Products
Portfolio Research · Stock Grading
A structured investment committee framework for evaluating equities. Score any stock across five weighted dimensions (growth, valuation, financial health, competitive moat, and analyst consensus) and receive a letter grade with a written committee summary.
Open Tool →Garmin Integration · AI Coaching
Connect your Garmin account to visualize training load, weekly mileage, heart rate zone distribution, and long run history. Chat with an AI coach powered by AWS Bedrock, contextualized to your actual training data.
Open Platform →Daily readout
Where the economy sits, the strongest and weakest sector, the yield-curve spread, and the insiders quadrant of the day, from public data and refreshed every night.
See today →Interactive
Interactive visualizations of the math behind markets, computed live in your browser. A different instrument takes the frame on every visit. Orbit it, scrub it, or shuffle to another.
Latest
Three months ago I wrote about spec-driven development and the folder architecture that makes it work. The argument was that specs should be the source of truth rather than chat history, that should be a minimal routing…