The operating system for fractional CMOs
Run your whole marketing agency of one on one operating system.
T2D3 OS combines the proven T2D3 method, every AI tool a modern CMO needs, and on-demand human experts — in one subscription. Stop juggling AI subscriptions, prompt libraries, and per-client chaos. Start operating like a firm ten times your size.
The problem
The solo tool stack is where margin goes to die
A fractional CMO runs strategy, content, design, web, and reporting for several clients at once. The default answer is a pile of tools that don't share context:
- Five AI subscriptions — chat, image, research, transcription, writing — each with its own bill, none knowing your clients
- A prompt library you maintain by hand and paste into a chat box one task at a time
- Client context scattered across docs, decks, browser tabs, and your own memory
- Deliverables that drift off-brand because nothing enforces the voice
- Hours of unbillable glue work between tools that were never designed to work together
Every one of those is context you re-type, money you re-spend, and judgment that never compounds. The tool stack is the ceiling on a one-person agency. T2D3 OS removes it.
How it works
A proven method, an AI engine, and human experts — in that order
A method, not a blank chat box
The T2D3 methodology — the playbook behind hundreds of B2B SaaS engagements — is operationalized as modules that draft, cross-check, and update themselves from your client's locked foundation.
Every AI tool, one subscription
Frontier models from Anthropic, OpenAI, and Google — plus image generation — routed per task with prompts tuned for each job and your client's context preloaded. AI credits are included in every plan.
Human experts on tap
When a task needs a really good human — a designer, a writer, a strategist, an engineer — buy exactly that from the marketplace, delivered inside your workspace. No hiring.
Why it works
Everything builds on a foundation you lock
For each client you establish the durable truths once — ICP, personas, value propositions, messaging, brand voice — with AI drafting from real evidence and you locking what's right. Every plan, page, and post the OS generates afterwards is grounded in that locked foundation, and shows you exactly which sources it drew on. Your judgment compounds instead of evaporating between tools.
How the foundation works →What's inside
Eight systems. One OS.
Each one replaces a tool you're paying for today — and they all share the same foundation.
GTM Foundation
ICP, buyer personas, value propositions, messaging, and brand — built once, locked with your judgment, and reused by every AI task after it.
T2D3 Playbook
The playbook modules from the T2D3 methodology — growth strategy, plans, scorecards, and budgets that draft themselves from your foundation.
Content Studio
From idea to on-brand draft — content that's grounded in your foundation and swept for brand-voice adherence after it ships.
Website & GEO
Audit any website against the T2D3 method, build landing pages from your foundation, and publish machine-legible pages that answer engines can cite.
AI Engine
Frontier models from Anthropic, OpenAI, and Google — plus image generation — behind task-tuned prompts, with credits included in your plan.
Command Center
Founders Cockpit, OKRs, dashboards, and reports — one place where you and your clients see status, progress, and what's next.
Team & Talent
When your clients grow past you: team assessments, development matrices, coaching tools, and calibration — the Level Up product, on the same platform.
Agency Workspace
Multi-client workspaces with clean separation, operator access across accounts, and white-label options — built for the agency of one.
Built for a book of clients
Every client gets an OS. You get one login.
Each client is its own workspace — own foundation, own playbook, own data — and you operate across all of them as an agency operator. Reports, dashboards, and white-label surfaces mean deliverables ship themselves.
The fractional CMO playbook →The expert marketplace
Four kinds of human superpower, on demand
Navigator for strategy. Scribe for narrative. Sculptor for design. Engineer for systems. You're world-class at one or two of these — the marketplace covers the moments that deserve a specialist in the others.
Meet the marketplace →The method comes from Stijn Hendrikse — co-founder of Kalungi, the leading fractional-CMO agency for B2B SaaS, and author of *T2D3* — distilled from taking dozens of software companies from $1M toward $100M ARR.
Your next client meeting could open with their GTM diagnosis.
Run the free Website Compass on a prospect, start free on your first client workspace, and upgrade when the engagement lands.