For founders and heads of marketing at $1M to $50M ARR. Senior PMM stopped writing the page a decade ago. Junior AI-native consultants never sat across from your buyer. Strategists hand you a deck and walk. I write the positioning, ship the page, and put the fee on the metric.
AI collapsed the PMM workflow. Drafting, gating, citation, fact-check, drift detection are now machine work. Retainers, fractional CMOs, and agencies still bill the hour for output the machine writes in minutes, while the input layer (which angle, which buyer, which story) goes uncharged. Buyers are paying time-and-materials for work that should be priced on the lift. The quarter you wait is the quarter your competitor signs the contract that pays only if the number moves.
the operator writing this displaced an incumbent at paid-media scale last month. mar 2026: $48.6K spend, 25.3 conversions, 12 closed-won against aircall, AU at AU $1,099 a conversion. losses on the same page as the wins. see the case.
substrate is open source on github. eight layers, nine principles, thirty-nine patterns. every claim on this page traces back to a file in that repo.
each layer is a file. each pattern cites three or more operators. each skill is runnable from one dispatcher. drag to orbit. hover a plane to read it.
read the substrate case →the rules below were learned in chairs, not on slides. each one became a principle, a pattern, or a skill in substrate. that is the cause-and-effect.
Your customer's first words are almost never the actual problem. The problem is two questions in.
A single fabricated detail unravels months of customer trust the moment it's caught. Churn is not a post-sales problem.
Whoever owns the source system owns the metric.
Earned channels compound. Algorithm channels cycle.
Internal applause is not signal. The buyer panel is the truth.
AI is not the multiplier. The context AI reads is.
no screenshots of dashboards. no logos as proof. the metric is rendered live, the diff is type, the source is one click away.
kesava has run both shapes. solo embedded operator (fincent first marketer, preskale 2-month sprint, miniu + abcodex as the embedded ai system). led teams (wingman sole-pmm-then-team, justcall pmm-to-team-of-five). today's phase-1 engagement is built for the solo-embedded shape; the team shape composes from it.
author + sole maintainer · v1.0 → v1.2 in 4 days · MIT, open source
read the case →16 skills · 0 patterns · 8 principles
37 skills · 39 patterns · 9 principles
substrate · 2026-05 → live · three aeo skills, one weekly dispatcher · honest measurement-status on the page
read the case →aug 2021 → oct 2022 · sole pmm for the first year · positioning, homepage, win-loss, launches
read the case →"conversation intelligence for fast-growing sales teams"
"your revenue accelerator."
justcall · 2024 → 2026 · positioning, hero, social proof, vertical entry points
read the case →justcall · h2 2025 · phase 1 rollout · BPS 3.58→5.99% CVR, AI SDR 1.78→2.44%, ad A/Bs +26.2 / +27.1%
read the case →justcall · 2025 · integration pages as a pipeline channel · wingify-verified A/B
read the case →justcall · fq2 2025 · deal-level attribution · battle cards, demo flows, objection libraries
read the case →justcall · 2024 → 2026 · baseline win rates, mar 2026 paid aircall displacement, 11.9% PPC CVR
read the case →justcall · 2025 → 2026 · 42 claims audited · artemis pipeline · zero LLM spend
read the case →justcall · 2024 → 2026 · launch cadence, naming, packaging, positioning
read the case →justcall · q1 2026 · architecture: static context library → live operator substrate · auto-called from every claude session
read the case →read-only. snapshots. seven operators copy-pasting.
write-back. auto-called. seven operators, one source.
consulting · q3 2024 · positioning + homepage rewrite · wayback-verifiable
read the case →"smart bookkeeping for modern businesses."
"the books, done. the questions, answered. the receipts, filed."
2023 · advisory · positioning + GTM · what the founder shipped, what i contributed, named separately
read the case →2026 · self-evolving agent + brier-scored insights · codex.iamkesava.com
read the case →justcall · 2024 → 2026 · homepage · integrations · enablement · competitive · ai systems · product gtm
see all six →if you are reading the cases, the next step is the offer. three phases, two bounded, one priced on the lift.
see the engagement shape →each phase is a decision gate. the diagnostic is free. the scoping is fixed. the outcome contract carries the fee on the metric we agreed to move.
"I'm not selling you my time. I'm selling you the move that produces the lift, with skin in whether it produced the lift." consulting-offer.md · ln 14
free. pick a slot or write me a paragraph. either works.
prefer email? hello@iamkesava.com · linkedin: linkedin.com/in/k3sava · the shape of the engagement: offer.html · direct booking: calendly.com/hello-iamkesava/30min
read a principle. read a pattern. read a skill. clone the repo, run the dispatcher. that is the verification.