This content demonstrates how to create a custom plugin marketplace for AI coding assistants (like Claude), enabling developers to install project-specific "skills" or commands that enhance code generation and analysis capabilities.
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So, in the last video, I kind of showed
you how to build out a Claude skill and
what its importance is. But I also want
to show you how you can set up your own
plug-in marketplace so that if you have
your own skills or slash commands,
people can actually install them
directly into your project. So, what
we're going to do is I'm going to copy
this URL and I have a marketplace repo
already set up. I'm just going to go
ahead and create a really simple slash
command so that I can install it on my
other project. So, I'm going to paste
the link to this. Can you please create
a simple slash command which will kick
off 10 different sub aents to generate
as many skills as necessary? Analyze the
code base and try to figure out what
tech stack they're using. And then when
you create these skills, I want you to
create a separate skill for security, a
skill for performance, a skill for React
code, depending if they have React or
not. Check out their back end and try to
figure out what skills that you could
actually generate so that in the future
when we're prompting the LM, we can get
the highest quality output of code
possible. Now again, I'm going to kick
this off with composer one, but you can
use haiku. I just find composer one the
fastest model I've used, so I don't want
to wait around for this stuff to finish.
But you'll see it's going into the
claude plug-in directory, and it created
a marketplace JSON. Okay. Now, what this
is going to do is going to describe so
that when someone tries to install your
marketplace, what plugins you have, and
how it kind of all works, right? And
then it also created a plugins directory
called codebase analyzer. And we have
some agents in here. We have some
commands in here that we can run. And
this one is analyze and generate skills.
So I think we can probably keep it as
is. It's supposed to go through and try
to figure out how to generate the skills
over your codebase. Now it looks like it
also created the agents which will be
kind of used in the project. I think
this the slash command is going to use
these as a template to try to figure out
how to generate the skills based on this
information. And commit those. We can
push them up. And now I'm going to go
over to another terminal and we're going
to have cloud code running over here.
I'm going to say /plugin. We're going to
go over to the marketplaces. I'm going
to add a new one. We're going to say
and we should be able to install all of
those skills and slash commands directly
into our codebase. Now we see that we
have the codebase analyzer. I'm going to
go ahead and just install this and we're
going to install it just for this
project. I'll just do the project scope.
It's fine. And then we'll see our
settings JSON update with the codebase
analyzer at the codebase skills
marketplace. All right. So now we have
this slash command codebase analyzer
which we can actually run. And that's
the exact same slash command that we
just created in this other repository.
Okay, so I'm going to run this and then
it's going to actually create a bunch of
skills for us that's going to really
understand my agentic jump start course
because this is using tan stack start
and some other tech that I want my code
to really be familiar with. So I'm going
to kick this one off with Opus 4.5 and
that should do a really deep dive
analysis on how my code is set up and
create skills so that later on when I'm
prompting I'm going to get a lot better
outputs. Now, I will say if there's
anything I'm teaching that you enjoy in
this video, I do have a course, agentic
jumpjumpstart.com, where I teach blog
code, cursor, how to do aic coding. I
have 82 videos in 12 and a half hours of
content. I'm adding videos to it
basically daily at this point. And in
this course, I do show you how to build
out a full stack web application using
my workflow. So, if you're kind of new
to agent coding, maybe you haven't
really dived too into a cloud code or
cursor or all these tools, you feel a
little bit overwhelmed, I think this
course can actually help you get on
course to be ahead of the game when it
comes to coding with AI. All right. So,
as you can see, it's kicking off many
different sub agents to explore my
codebase and try to generate skills that
are related to the following thing like
database, security analysis, etc. So,
I'm going to let this run and then we'll
come back and see how this actually
works. All right, looks like the sub
agents are done exploring the codebase.
Now, it's going to write out those
skills in the cloud skills directory.
Cool. So, now that's done and we can
kind of go through all the skills that
were added to our codebase. The cool
thing about this is now every skill is
specific to my codebase. So, like all of
these server functions, this is all
related to Tanstack start. So, it kind
of dived through my codebase. I figured
out how to add in my admin middleware,
how to add in whatever unauthenticated
middleware. And it just has a better
understanding of how I'm writing stuff
without it having to go and deep dive
throughout my codebase every single time
I prompt it. It kind of knows the best
way to write backend code, database
code. This has all the Drizzle stuff
already set up in it, how to add into
the schema, how relationships are all
defined, and this will just give you a
much higher quality output when you're
prompting. Now, the one thing I noticed
is that my plugin didn't actually create
different directories for all the
skills. Like, you're supposed to have a
different directory for all these
skills. So, I might have to go back and
fix my plugin real quick. Um, so I'm
going to go ahead and just paste this
in. You didn't create the skills
properly. Every skill should have its
own subdirectory. And then you can put
the skill.md file inside of that subdirectory.
subdirectory.
Do a quick little refactoring here. I'll
have to go back to my other uh prompt
over here and just fix that. And you
make sure that the analyze and generate
skills slash command properly describes
how to create a skill. like you should
have a skills directory and inside that
you have subdirectories and then inside
of that you have a skill.md file that
describes how to actually apply the
skill. All right. So now that basically
is going to have all my different skills
put here. Security performance react
backend code. In fact I might even
prefix these with like uh agentic jump
start so that it's obvious to tell that
this is a skill that came from this.
When you create the skills can you
prefix it with agentic jump start. All
right. So now we have a prefix and all
these skills should work at this point.
I'm going to add this one. I'm going to
go and commit this. I will have to test
this again later to make sure it's good.
Um, but now we should have all these
skills put in their own directory and
then eventually it should refactor the
MD file to say skill.md. All right, so I
think this is almost done. I just need
to tell it to uh rename the MD files to
skill. And I'm also going to paste it
over here uh to make sure it has like
the up-to-date information about how you
can actually do a cloud skill. All
right, so now those are actually set up
properly. Uh, and then we can type in
skills. And we see a list of all the
skills here that will hopefully
automatically kick in when we ask a
prompt to change something. So, I'm
actually going to go over here and we're
going to go back to a prompt. Can you
please add in a new resources link which
goes to the marketplace page, then have
a link to this new skill that I added to
the Agentic Jumpstart/Marketplace.
So, I'm going to click this one off.
Basically, what I'm asking it to do is
up here, add a new link. In fact, I
probably could have just taken a
screenshot so it has a little bit more
context and throw that in, too. And then
going back over to my other project,
let's just double check to make sure
that it did capitalize everything here.
So, capital skill, I believe, is the
format we should be doing. And yeah, I
can just go and commit this one, too. I
think the skill should be in a much
better state than it was. Okay, looks
like this is done. And we can go back
and we should have a marketplace here.
All right, now we have a skill
marketplace page, which kind of lets us
know how to install the skill. This is
so this is not the right command here,
but overall looks like the same style of
my application, which is good. And I'm
going to go and say this is not the
right install command. Please look up
the cloud uh SDK docs, the cloud code
docs to figure out the right command.
Also wrap the page inside of a container
so that the title is also aligned with
the content. Go and kick off those two
things. Okay. And there you have it. We
have a new page. Now I can get this
deployed out to production. We have the
link. We have a command of how to
actually install this in cloud code.
Agentic jump start. And then we have a
link to the repository. So now my course
members can actually start downloading
this. So if you guys are interested in
learning more about cloud code and
agentic coding, remember to go check out agenticjumpstart.com.
agenticjumpstart.com.
This is my course. A bunch of good
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