01 in service
Identity & access
Auth, sessions, roles, and row-level security — multi-tenant from day one.
How we build a theme in a quarter, not a year. Rumble Built makes one product per theme of a person’s life. Rails is the production stack underneath all of them — identity, billing, telemetry, provider routing, support, lifecycle — built once. It is the how, not the product. Teams can run on it too.
rumble v. to make a continuous deep, resonant sound — rails are what let a product keep running when the demo is over.
Building one product per theme means building several products. The first 80% of each is cheap now. The last 20% — identity, billing, entitlements, telemetry, provider failover, support, rollback — is not, and we paid it five times before pulling it out into one place.
Rumble Rails is that place. It is why a new theme costs a quarter instead of a year, and why every theme gets the same production bar. AI inside Rails is a governed component — budgets, timeouts, fallbacks, rollback — never the product.
Read it like a transit map. The CapturedIt Line boards where your life already lives — email, calendar, browser, phone, in person — passes through the Context Hub interchange where it is sorted by who it’s for (you, your household, your team, your community), and runs out to the product that serves each one. No app on the map connects to the outside world on its own; they read their branch of the Line. Return service runs west when you ask. Under the map, Rumble Rails is the transit authority: the track and the control room, shown as a service status board. Solid is in service. Dashed is planned, with its quarter on the plaque. Follow a rider, click a stop, or switch to the 2027 network.
What keeps a product running: the capabilities below are shared by every product and available to teams who deploy on Rails through Rumble Built Services.
01 in service
Auth, sessions, roles, and row-level security — multi-tenant from day one.
02 in service
Subscriptions, seats, plan gating, and usage metering — Stripe-native.
03 in service
Events, errors, analytics, and the dashboards that see problems before support does.
04 under construction · Q4 2026
Cross-product tickets, device diagnostics, and case history in one place.
05 under construction · dogfood now · partners Q1 2027
One hub for third-party providers — LLM, SMS, email — with budgets, timeouts, and multi-region failover.
06 under construction · Q1 2027
Onboarding, activation, and retention flows triggered from product events.
07 live · powered by CapturedIt
What connects the themes for a person. Your context enters through CapturedIt — Chrome, Safari, Gmail, Outlook, native, desktop — and is visible in whichever themes you turn on, never the ones you don’t. Personal, household, firm, and community scopes stay structurally separate. Serve it to ChatGPT, Claude, Cursor, or any MCP / SDK client when you choose. Works without AI.
Rails is the builder’s connective tissue; Context Hub is the user’s. CapturedIt is the traffic layer — where context enters. Shared identity across themes comes first (HuniDu launches on the same account as CapturedIt, Q4 2026); scopes for a household, a firm, a community follow.
Stated honestly, per product. “Runs on Rails” is only claimed where the shared stack is actually in the dependency tree.
Each connection hardens Rails and lowers the cost of the next product. Follow progress on the Shipping log.
Want the same stack under your own product? Rumble Built Services deploys teams on Rails — advisory, build, integration, embedded senior capacity, and managed operations. Same production bar as our own products.
Tell us what you’re running — we’ll give you a straight read on fit for Rails.
Start here