Sprint Logs
How we ship in 14 days.
Day-by-day public engineering logs from Creative Brain Inc. Sprints. Decisions, trade-offs, what worked, what we threw out.
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Creative Brain Inc. (this site) · Day 30 · May 30, 2026
Building the Sprint Cost Estimator — pure logic, a share URL, and finally a test runner
How we built /sprint-estimator: a deterministic three-way cost/time calculator (fixed-price Sprint vs agency vs freelancer) backed by a single pricing source of truth, a shareable URL, and a 39-case test suite — plus the day we actually wired up vitest so those tests run.
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Creative Brain Inc. (this site) · Day 30 · May 30, 2026
Agency, freelancer, or Sprint? How to actually pay for a software build
A point of view on the three ways to pay for a build — a freelancer's hourly rate, an agency's open-ended retainer, or a fixed-price Sprint. When each one is the honest choice, where each one quietly costs you, and why we bet the company on fixed scope.
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Creative Brain Inc. (this site) · Day 28 · May 28, 2026
Closing B3: TL;DR Blocks, Seven More Comparison Templates, and an AEO Heading-Skip Sweep
One session, two milestones: B3 closes at 17 of 17 comparison templates (seven new pages and a branded TL;DR block applied across the whole set), and SEO-011 ships a heading-skip sweep across ten tool and layout files. Notes on the patterns that made both cheap to do safely.
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CB Audit (internal AEO/SEO tool) · Day 27 · May 27, 2026
Building CB Audit — an agentic AEO + SEO report engine on Claude + OpenAI
Shipped CB Audit: a local, two-pipeline audit engine that drops a URL, crawls the site, generates buyer-intent queries with Claude, probes Claude + OpenAI, scores brand presence with a Claude-as-judge rubric, and renders branded HTML/PDF reports — plus a parallel classical-SEO pipeline. One web UI, one shared queue, ~$1–2 and 3–6 minutes per audit.
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Claude Observatory (activity dashboard) · Day 27 · May 27, 2026
Claude Observatory — Electron build, route fixes, and launch kit
A six-day batch on the local-only Claude activity dashboard: Electron packaging into a Windows EXE, a 404 fix that was hiding every new route, memory/skills/prompts filter pills, side-nav scroll fix, and a 24-screenshot multi-platform launch kit (dev.to, LinkedIn, X, YouTube Shorts, TikTok, Facebook, Instagram, Remotion script).
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Creative Brain Inc. (this site) · Day 26 · May 26, 2026
Batch D — Builder Attribution, Service FAQs, Comparison Pages, and the Brampton Pillar
Shipping seven new routes in one batch: Trade Book Central builder-attribution page, FAQPage schema across all 11 service pages, four AI-buyer comparison pages, and a Brampton SaaS Agency pillar. Notes on why these pages exist, how the schema is wired, and what to do next.
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