GREG ISENBERG@gregisenberg
WELCOME TO THE SKILL ERA OF THE INTERNET
for the last 15 years, if you wanted to build a serious software company, you built a product and exposed an api.
that was the move.
you created functionality… payments, messaging, email, search, analytics… and then you let developers plug into it.
the companies that won owned the pipes.
stripe owned payments.
twilio owned messaging.
sendgrid owned email.
the api was the distribution layer.
once you were integrated, you were embedded.
that model made sense in a world where execution was scarce.
llms compress execution into a prompt.
so the center of gravity shifts.
in this cycle, you build expertise and package it as a skill.
an api is a doorway into a function.
here’s how to send an email.
here’s how to process a payment.
here’s how to fetch this data.
it’s precise. mechanical. bounded.
a skill is a doorway into judgment.
here’s how to audit a landing page like a serious growth operator.
here’s how to structure a legal intake so you catch the real risk.
here’s how to clean and enrich messy directory data so it actually turns into revenue.
you’re encoding a way of thinking.
and that changes how companies are built and how they scale.
in the api era, distribution meant convincing developers to integrate you.
you needed docs. sdk’s. developer evangelism.
you fought for a place inside someone else’s codebase.
in the skill era, distribution means becoming part of someone’s agent workflow.
a founder opens claude code.
they type /seo-audit.
your skill runs.
it frames the output.
it structures the analysis.
it guides the decisions.
your expertise lives inside the execution layer itself.
you aren’t pulling users into your interface.
you’re embedding your thinking into theirs.
that changes company design.
the old playbook looked like this:
build saas
design ui
onboard users
drive retention
expand seats
the new playbook looks more like this:
encode a high-leverage playbook
package it as a skill
let agents call it thousands of times per day
the interface shrinks.
the leverage expands.
a strong skill doesn’t serve one user at a time.
it serves fleets of agents.
one installation can mean your methodology is invoked across hundreds of companies automatically.
the scaling curve looks less like seats and more like invocations.
what’s happening underneath all of this is simple:
software used to be the executor.
now software is the orchestrator.
next, expertise becomes infrastructure.
in the api era, the winners owned the pipes.
in the skill era, the winners own the patterns.
patterns for closing deals.
patterns for pricing.
patterns for positioning.
patterns for enrichment.
patterns for research.
many new companies will look surprisingly small on the surface.
a tight repo.
a handful of powerful skill files.
maybe 2–5 people maintaining and improving them.
but those skills will sit inside thousands of workflows, shaping decisions at scale.
and it’s creating a new class of companies built less around dashboards and more around encoded judgment.
THIS IS THE SKILL ERA OF THE INTERNET.
welcome.
