SUM EQUITIES

Uses — SUM Equities

Tools of the trade

Uses

What's actually on the desk and in the editor — not what's recommended, what's used. Inspired by uses.tech.

AI Assist

  • Pair-programming: Claude Code (CLI) + Codex (in-IDE) running in tandem.
  • Web companion: Claude.ai for longer-form thinking; Anthropic API for build-time tasks.
  • Frontier reach-for: a mix of frontier models situation-by-situation; the test harnesses (see SUM's multi-LLM cross-corpus benches) keep us honest about which one is best for what.

Dev infrastructure

  • Hosting: Cloudflare Workers + Pages for production. Custom domains routed through Cloudflare DNS.
  • Databases: PostgreSQL (via Supabase / Neon as appropriate), SQLite for embedded use, ClickHouse for OLAP.
  • Vector / search: Qdrant, pgvector, depending on the project shape.
  • CI/CD: GitHub Actions, Cloudflare Pages auto-deploy.
  • Shell: zsh.

Languages

  • Daily drivers: TypeScript, Python.
  • For systems work: Rust, Zig, occasional Go.
  • Frontend frameworks: Astro, SvelteKit, Next.js, React.

Process

  • Spec-driven discipline where the project warrants it (see SUM and HFAO's PROOF_BOUNDARY.md / SPEC.md patterns).
  • Outcome-not-mechanism portfolio framing for monetization-track projects; mechanism stays in private repos and case studies.
  • Verifiable claims over marketing language.

Personal hardware and editor specifics aren't published — they're tools, not product decisions, and they change. The infrastructure, languages, and process above are what actually shape what ships.