Truth in five sheets, ten systems - synthesis in two people's heads.
There are two ways to use AI. Most people know one. I shipped fifteen systems with the other.
DRIVE IT ↓ishmam@os %direct: take everything. plan it. build it.
Ask AI, get answers. Direct AI, get systems - you are scrolling one right now.
168,550+PEOPLE SERVED
ACROSS 15 SYSTEMS · ALL BUILT SOLO
NO ESTIMATES WITHOUT MATH · SOURCES: VERCEL ANALYTICS, ADMIN DASHBOARDS, SESSION TRANSCRIPTS
Five carry full build logs - every quote verbatim.
NO.01Truth in five sheets, ten systems - synthesis in two people's heads.
One screen over the company's data. Built solo, with a coding agent.
402 on one org tree · 5 tools → 1 screen · revenue lens in ~80 min.


IBA course: 73 on roster, ~69 taught, 3 sprints, 25 groups.
Weekend build: cap-and-median math, 40-30-20-10 rubric no spreadsheet enforces.
145 grades, 637 ratings across 2 windows. In use all semester.


One dashboard for the whole program.
2,365 students · 1,595 school records · 3,709 referrals · 365 new registrations.


Each card pixel-pushed by hand - ~2 designer-minutes.
Feed a list, get personalized print-ready cards.
~1,500 × ~2 min/card ≈ ~50 hours of work, gone.


Click any district, see its result.



Itineraries, phrases, budgets - one user, one trip.
No metric. Lived on it 12 days. Some systems can be personal.



5,127 visitors · 11,803 page views in the last 12 months.


~20,000 users generated their review at first launch - the Shikho Facebook group flooded with shares. The weekend prototype shipped into the production Android app, mostly intact.



Mostly Grameenphone colleagues who humored me.


Bangladesh lockdown tomorrow?
Co-built with Muhammed Asif Khan, 15 months coding, launched ~30 Jun 2021.
Featured 11 Jul 2021.


Direction is the job. Not the output - the system that keeps producing it. Here is the loop, on one incident:
BETON KEMON · BLANK PAGES ON EVERY IPHONE
The loop above was one incident. At volume: every Claude Code session on my laptop.
Direction, amplified 53 times.
378 SESSIONS · 31 PROJECTS · 772,412 WORDS TYPED (~9 NOVELS)
Even my lightest day, Friday, averages 38 instructions. I worked 58 of 60 days, 45 unbroken.
Every project I run opens with a CLAUDE.md - my standing orders. Mine them all, one spine surfaces.
Not a model answering you. My memory, replaying: eight chapters, 15 builds, 176 mined sessions - on file.
SELF-LOGGED · MY.FLIGHTRADAR24.COM/ISHMAMCHOWDHURY
I embed inside my own company like an engineer who ships, not a consultant who advises. Same inside yours.
Makes AI honest: contracts, guardrails, eval loops - the systems here run on them.
Your business problem, carried from scope to a live production system.
Your people build with AI on real problems - the format delivered to LightCastle's consultants. Artifacts by end of day.
Every system above is built, shipped, and still running. Not a pitch. The work itself.