May 22, 2026 · 8 min read
Building an AI chat for OfiHQ
The MCP server, the tools, and the trust boundaries behind OfiHQ's AI chat.
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Building an evals harness for our AI assistant
Notes on making our chat's prompt-tuning loop repeatable. Scenarios in YAML, a Rake runner that hits the same code path as production, and a Claude Code skill that drives the full diagnose-fix-compare cycle from a single short prompt.
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Mar 25, 2026 · 4 min read
Building a digital signature module
From old PDFs to dynamic templates: A deep dive into automating contracts with AI, Ferrum_pdf and Stimulus canvas signatures.
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