Shadowing Practice: Claude Code Mods Explained: Customize Your Setup - Learn English Speaking with Video

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Hey, what's going on guys?

So Cloud Code has something called mods now, and they actually let you change the Cloud Code UI itself.

And you can add information above the prompt or in the sidebar.

You can open your own custom panels.

And mods can also add commands and give

Cloud new tools to call.

So a mod is a Cloud Code plugin with JavaScript or TypeScript code that runs inside Cloud Code.

And that code responds to events like session starting

or part of the interface being drawn

and you can ask Claude to create these for you

and just kind of vibe code them and I'll show you how to do

that but I always like to kind of preach to understand what's going on under the hood.

So first I want to show you how a mod fits together

and of course you don't have to write every mod from scratch

I just want you to know what the files are

and how they connect so that you know where to look

if you need to change something and just so you have a better overall understanding of how mods work.

So if you've used skills you're used to giving Claude instructions to follow.

Well, mods let you register code that runs when specific events happen.

Like I said, when a session starts or part of the interface is drawn, skills can include scripts too,

but with a mod, you decide which events trigger your code.

Now, mods run with your user permissions and they can access files, they can start processes, they can make network requests.

They're not sandboxed and they can influence tool approval.

So don't rely on the usual permission prompts to catch everything.

You want to make sure that you read the source, stick to authors you know and trust, or of course create your own.

So here's the plan.

We're going to start with a small mod just to see how the files connect.

And then after that we'll create a session note mod just by prompting

and setting up a marketplace so that we can keep it.

And then I'll show you the mods that I've been using lately.

Some I created and some are open source

and I'll show you how to install each one

and the commands for those and everything will be in a dev stash in the description if you want it.

For now, let's take a quick look at the structure of a simple mod.

So this video is sponsored by Appify.

Now if you're building AI agents, one of the biggest challenges is giving them useful and fresh web data without building every integration yourself.

So Appify is a marketplace of thousands of ready -to -run tools called Actors, and they can collect structured web data,

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And you can connect Appify to an MCP -compatible AI client, and then your agent can just search the Actor catalog,

choose the right tool for the job, run it, and return structured results from a plain English request.

And if the tool that you need doesn't exist, you can just build your own actor with JavaScript or Python and then deploy it on Appify.

So use the code Traversy25 for $25 in Appify credits.

Check it out using the link in the description and thanks to Appify for sponsoring the video.

Okay so this example

that I'm going to show you is about as simple as I could get it and it's basically a hello world.

It just puts a message above the prompt and you don't have to understand the code.

Just pay attention to the structure and what each file is for and how they connect.

So everything lives in this hello mod folder and that's just the name of the mod.

It could be anything.

And we have a plugin .json inside of a .clad plugin folder.

And this gives the plugin name, version, description.

It tells CloudCode what the plugin is.

And then we have hooks .json inside the hooks folder and its modules entry points to the register .tsx file,

which is the code that we want

Cloud Code to load.

That's the main file.

And the .slash just means it's in the same folder.

It's right beside the hooks .json.

Now register .tsx is the whole file.

When the mod loads, Cloud Code runs this exported register function, and it passes in a function called on.

And we use on to register our event handlers.

And each call takes an event name as well as a function with the code

that we want to run when that event happens.

So the first handler listens for session .start.

When the mod starts in a session, we set this message to hello from my mod, and then next passes the event along,

and we can continue with the startup.

Now the second handler listens for ui .render, and the above prompt setting tells it which part of the interface to draw in,

which of course is above the prompt.

And then here we get a text component

and return it with our message inside

and that's what puts the greeting above the prompt

so that's the connection you got hooks .json points to register .tsx register sets up the handlers

and the handlers decide what happens when cloud code calls them

and where it shows up all right guys

so i have the cloud code ui open here the the desktop version

and by the way this works on the cli as well as the vs code plugin

or extension and i'm in my bellfree project which is just a

Thank you a website uptime project it doesn't matter where you do this

and i'm going to create just a very simple session note mod

and it's just going to have kind of an input with

a save button where i can save just one piece of text per session

so if i'm in belfry or

if i'm in whatever tmux configs wherever i have just

this area where i can just save a note whether it's something

i plan on doing a reminder whatever it might be all right

and then after that i'll go over the locations

because at first it just saves it within the session

and then you have to move it to a marketplace

so i'll explain all that we'll even look at the code and compare it to what we've already learned

so i'm going to give it a prompt

and i have this inside of a dev stash

that i'll have in the description if you want to copy it

and use this and create the same exact thing

but i would encourage you to kind of experiment

and explore with your own stuff as well your own ideas

so it says use the plugin authoring skill to build a mod called session note

it adds a pain beside the conversation with a text box a save button

so I can jot down what I'm working on now this right here it says add a session note command

or slash session note to reopen the pain

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so that's another thing you can add these commands to open

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and close the mods

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which is cool keep it clean small heading bit of padding keep your reply short

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and let's run it and by the way I disabled all my mods that's why this is so bare bones.

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But after I'm going to re -enable them or reinstall them one by one, and I'll show you them, show you what I'm using.

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If you want to install them, you can.

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They'll all be in the DevStash link in the description.

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Now, this is going to pop up, and this is important.

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You want to click enable for this session.

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This is for hot reloading so that as you're creating it, you can see it, and you're probably going to have to reiterate on it, right?

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Because you're probably not going to get exactly what you want the first time.

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So it'll just keep updating when you, as you prompt and you change things.

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So you want hot reloading.

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Okay.

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So now this is finished and it tells us where this is located, which is basically a temporary location or it's, it's only for this session.

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So you can see over here, I have my interface and I'll just say like, I don't know, test test note one and save that now

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if i go to another

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if i go to tmux configs you can see it doesn't even show here

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because it's only within this session so if you want this to be permanent

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and you want it to show up in other projects

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and continuously use it as well as in the cli

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then you're going to want to move it to a marketplace and you could move the files

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manually if you want but i'm just going to tell claude to i'm going to say can you put

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can you put this mod into a marketplace folder called my dash mods in my code

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I'll say in my code sandbox and you can put a path

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but I know it knows where my code sandbox is in fact I'm going to pull it up here

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so you can see I have my code code folder a sandbox folder and it should create a my mods folder here.

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Now, just because it creates, it doesn't make it a marketplace.

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There is a couple of commands we have to run, but it will create it and move it here.

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So you can see right now my mods session note.

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In fact, I'm going to bring my mods into VS Code just so you can see VS Code.

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Remember that, guys?

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all right so we have my mods

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and there's a dot cloud plugin folder with a marketplace dot json

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so this is what what defines it as a marketplace although we still do have to run a couple commands

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but it just gives us the information about the marketplace

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and then any plugins in the array are going to be part of

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that marketplace so

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if you create more mods you can just put them in this marketplace make sure

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you add them to the plugins now

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if we look at the actual session note it has some additional things like types and tests

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but you can see it has what we looked at before hooks .json it has a register tsx

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and if we take a look at this i'm not going to go through all this code

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but we have some helper functions

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but then here you can see the register function right

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so register takes in on we have events on session start we have on command run on ui render

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which we saw in the in the hello mod

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and then it just outputs jsx right so pretty simple that's

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that now to register it as a marketplace

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we have a couple commands to run i don't think it ran them but uh let's open the terminal

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okay and then in the terminal let's see i'm going to jump into dev stash i think i have the

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I think I have the things here.

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And you can also validate, right?

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So I could do a validate, which checks the JSON structure and stuff like that.

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But right here is what I want to show you.

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Claude plugin marketplace add and then the location.

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So that will add the marketplace.

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If you want to install a mod from that marketplace, it's Claude plugin install session node or whatever the name of

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that mod at the marketplace and it scopes it as the user so that it'll be in all your projects.

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You can scope it to that specific project as well, but user is the default, so you don't even really need this.

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But I'm going to copy those and then jump back into the terminal and let's paste those in.

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Okay, so successfully added

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Marketplace, my mods, and then successfully installed the plugin session note.

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So now if I go back to Claude and I go back and I go to another session or another project,

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you can see that this is here, session note.

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Let me just put like test note, test note two, save.

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Okay.

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If I go back to Belfry, test note one is still there.

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So very simple, but it gives you a good example of a mod and how it works.

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Now I just want to show you the CLI as well.

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So if I go to Claude, and since it's a sidebar mod, this has to be really wide.

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In fact, I think it has to be like 1440, which is past the screen that I'm recording.

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But yeah, so there it pops in.

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So it has to be very wide for the sidebar.

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Actually, I can move that.

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I guess it doesn't.

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You just have to fix it.

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Yeah, so test node 2.

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I'm not sure why that's already there.

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That might have been left over from before.

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But let's say test node 3. and save.

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All right, so you can use it there, and it would also work in the VS Code extension as well.

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So that's the basics of just creating a mod, very simple stuff.

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So what I'm going to do next is show you the five or six mods that I've been using.

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Some I created myself, some are open source, and if you want to use them, of course you can.

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So now what I want to do is take you through some of the mods that I've been using.

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And I didn't go scour the internet for like really flashy mods to make a fancy video.

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These are tools that I use in my everyday workflow.

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So the first one is called Session HUD.

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And this is from my Traversy Claude mods repo.

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And there's just three mods here.

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I'll add more as time goes on.

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And I would just want to install these one by one.

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So the first one is we want the marketplace.

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So we want this command here get I'm sorry not get Claude plugin marketplace add

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and then Claude plugin install session hud at Traversey mods

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which is the marketplace name so you want to copy those

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and then we're going to jump into the terminal paste those in run it adding marketplace

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and then it installs the mod and then

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if we jump back over to Claude it should show up

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if it doesn't you can do reload plugins but there it is.

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So basically we have this bar and this is really common.

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There's a lot of mods that show your context usage.

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In fact, they actually built it in here into, you know, native, the native UI.

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But if you notice it's 9 % of 1 million, which is my allocated limit, my context limit in Cloud Code.

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However, that's way too much.

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I like to keep it much smaller than that.

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I clear my context when I get around 300 ,000, 400 ,000 at the absolute most.

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So what this allows you to do is set that max.

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So you can see it says 28 % of 300 ,000.

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When it gets near that, I know that I have to clear and I have a workflow, I have a system where I will,

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you know, load in my session data, and then I will, I'll save it.

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So when it starts to get to close to 300 ,000, I'll save it.

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And then I'll clear my context.

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And then I'll load it again.

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That way, I'm always under 300 ,000.

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And this keeps that in my visual field if I'm getting close to that.

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It also shows the get branch.

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It also shows what I've used for the week.

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And if I click details, it opens this pane that shows this right here.

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So 86K used of 300 ,000.

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If I want, I can change that to, let's say I want to do 400 ,000, save that.

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And now I have 21 % of 400 ,000.

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And then it just shows like your five hour usage, your weekly usage, what this session is made up of.

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So messages, MCP tools, et cetera, basically the same stuff that is shown in here okay

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so I really just use this mainly to have my own max level of you know of context

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so that is session hud

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So the next one is called tool cards.

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And when you run or when Claude runs bash or read or any of those internal tools,

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what this will do is it'll show a card with an icon depending on what type of tool it is.

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And it'll give you extra information as well.

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And it just makes it obvious that a tool call was run.

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So if I run this prompt right here before I install it, I'm going to run this.

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So let's jump into Claude

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and this will just tell it to use bash to run git branch show current

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and it'll also tell it to use the read tool as well

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and and this is before the tool card installation

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so basically it just says ran two commands and

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if I click on

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that it just shows me this showed current git branch whatever

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now I'm going to install tool cards with this command here and this is also in the the repo.

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This is the same marketplace as SessionHUD.

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And then let's go ahead and we want to paste that into our terminal.

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Okay, so that's going to install tool cards.

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And right away, we should see this change.

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It should change to the new style.

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And there we go.

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So it looks much better.

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It has a specific icon for the type of tool.

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So this is for bash, the red, this is for read.

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It tells us if it's running or completed.

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It tells us we have the details where it shows us

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some more information like the git branch in this case listed the three first three tracked files

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and then shows us this as well.

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So I think this it not only looks better but it gives you more information.

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So that's tool cards.

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So the next one is called next steps.

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This is the last one from that that repo or that marketplace.

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And basically once you run a prompt and it gives you a response,

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it'll give you three optional steps to take based on what you asked it, based on what it thinks you'll want to do next.

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So to install it, we can grab this right here.

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Again, this is from the Traversy Cloud mods.

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And let's jump back over to the terminal and let's paste that in, run it.

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okay

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and then I'm going to run this right here

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this prompt just says explain how this project is organized in a few sentences

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and then it should give me some next step options

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and you can see it's running a bash tool as well if I wanted details on that I could

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okay it's explaining what it is Belfry is a standard next app

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and and there it is

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so these choice is right here it says run the v test suite and summarize the results show the prisma schema

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list the eight completed features in blueprint so those give me some options

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and if i click it it'll just put it in the prompt

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and i can hit enter so that is next steps

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so the next one i want to show you is file tree

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and it just puts the files in cloud code and i know there's a there's a native file tree,

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but I really like the way this one looks and I like how it behaves.

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So when it's reading a file or creating a file, it shows you, it has these little flashy animations.

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So it just makes me feel more connected to the code

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because I was using the VS Code extension for a long time because I liked having the code there.

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But this is really cool because you can set it to open files in VS Code

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if you just double click on them.

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So this is by Datagoblin.

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This is slash clodcode file tree.

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And to install, we want to first add the marketplace and then just install the plugin or the mod.

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So let's do that.

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Paste that in, run it, and let's jump back over.

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And we should see the file tree just pop right in here.

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Okay, there it is.

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And I just really like how it looks especially compared to the the default one actually

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I think I have a prompt in the dev stash we can we can use yeah

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so read the projects readme

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and one of its source files then create a folder called file tree demo so let's try that out

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and right away you can see the readme flashes flashes purple so there's different like color codes I believe.

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I think purple is just when it's reading it.

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And then it should create the file.

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And now you can see that the files are green that were created.

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So you know exactly you know what was added.

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And then if I were to let's say I want to read this monitor's ts file.

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If I double click it it opens right in vs code

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so I could edit it or do what I want with it.

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So really cool stuff so that's file tree

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so the last one i want to show you is blast radius

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which will offer extra protection if you are in auto mode and you want to delete files and so on

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But I want to show you this repo.

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This is, let's see, hamzafer slash clodcodemods.

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And it's relatively popular, 300 stars for a mod repo.

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Mods were just released, like, I think less than two weeks ago.

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But there's quite a few really cool stuff here.

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There's a whole mission control, which is a live map of agents, tool calls, and the code they touch.

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I actually have that installed on my dev machine behind me um there's like a context bar

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which is similar to session hud

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but i don't believe you can set your custom limit uh what else

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there's usage meter heat maps your open ai balance

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so i would definitely suggest checking checking out this repo session saver

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but the one

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that i'm using from here is is a blast radius let me just search for it yeah

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this right here blast radius so see what what rm rf would delete

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because you you want to make sure that you don't delete

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that you know or have clod delete that you're not supposed to

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so basically what we need is i have it in the dev stash to add the hams hamzafer marketplace

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and then just install blast radius

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so let's do that we want to go to the terminal and paste that in run it

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okay and then in the the dev stash i have this make directory build demo print

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so it's just going to create a build demo folder

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and then i'm going to ask it to delete it so let's copy that

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and by the way i'm in auto mode of course in in clod

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so it has you know full permissions so let's run

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that whoops i need to run that here but i guess we could

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so it does the same thing so now we have

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that build demo and you can see it's green

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because we just created it and then let's grab this to use the bash tool and run rm rf

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and we should see the blast radius tool work there it is

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so you're just going to get this prompt um let's see it's just it basically just holds the files

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so delete two files build demo two dot txt one dot txt I can cancel

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or proceed I proceed and now they're deleted

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so just an just an extra layer of safety um

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but yeah so those are the I mean I have maybe maybe four four

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or five more mods installed on my dev machine but these are the ones that I find the most useful, at least right now.

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So let me know what you guys think, if you guys have any mods that you suggest, whether they're your own or someone else's,

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and hopefully you like this video and shed a little light on Cloud Code mods.

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Vocabulary and speaking notes for this lesson

This speaking lesson is built on the video “Claude Code Mods Explained: Customize Your Setup”. The speaker keeps coming back to these words: mod, code, session, file, marketplace. This video has 340 sentences and 4121 words to shadow. The speech runs for 23:06. The speaker talks at a natural 178 words per minute, close to everyday conversation. 82% of the words are among the 3,000 most common in English; the rest is worth studying before you start.

Key vocabulary in this video

15 words from the video worth learning, with pronunciation and meaning:

Word	Pronunciation	Meaning
mod noun	/mɑd/	An unconventionally modern style of fashionable dress originating in England in the 1960s, characterized by ankle-length black trenchcoats and sunglasses.
marketplace noun		An open area in a town housing a public market.
prompt verb	/pɹɑmpt/	To lead (someone) toward what they should say or do.
cloud noun	/ˈklaʊ̯d/	A visible mass of water droplets suspended in the air.
install verb	/ɪnˈstɔl/	To connect, set up or prepare something for use
folder noun	/ˈfoʊldɚ/	An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet.
terminal noun	/ˈtɚmɪnəl/	A building in an airport where passengers transfer from ground transportation to the facilities that allow them to board airplanes.
delete verb	/dɪˈliːt/	To remove, get rid of or erase, especially written or printed material, or data on a computer or other device.
pasta noun	/ˈpɑ.stə/	Dough made from wheat and water and sometimes mixed with egg and formed into various shapes; often sold in dried form and typically boiled for eating.
stash noun	/stæʃ/	A collection, sometimes hidden.
connect verb	/kəˈnɛkt/	To join (to another object): to attach, or to be intended to attach or capable of attaching, to another object.
hook noun	/hʊk/	A rod bent into a curved shape, typically with one end free and the other end secured to a rope or other attachment.
blast noun	/blæst/	A violent gust of wind (in windy weather) or apparent wind (around a moving vehicle).
demo noun	/ˈdɛm.oʊ/	A demonstration or visual explanation.
radius noun	/ˈɹeɪ.di.əs/	The long bone in the forearm, on the side of the thumb.

Phrasal verbs you will hear

Word	Pronunciation	Meaning
go back to verb		To stem from; to originate in.
set up verb	/ˌsɛt ˈʌp/	To make ready for use.
show up verb		To appear, arrive, or attend, especially suddenly or erratically.
check out verb		To record the departure or withdrawal of someone or something (such as guests, employees, books, etc.).
fit together verb		To put the appropriate parts of (something) into a whole; to combine pieces that go together to create a finished object.
go ahead verb	/ˌɡoʊ əˈhɛd/	To proceed with; to begin.
go back verb		To return to a place or state after having been there at a previous time.
go over verb		To look at carefully; to scrutinize; to analyze.

Sentences worth repeating

Short, complete lines from the video that you can reuse in everyday conversation:

Hey, what's going on guys?
I'm not sure why that's already there.
I'll add more as time goes on.
It also shows what I've used for the week.
It tells us if it's running or completed.

Grammar in this video

The structures the speaker uses most, with the exact words from the video:

Structure	In the video
Present perfect continuous have/has been + -ing — an action that started earlier and is still going on	I've been using
Passive voice be + past participle — the focus is on what happens, not who does it	being drawn · is drawn · is sponsored
Relative clauses who / which + clause — extra information about a person or thing	project which is · located, which is · million, which is

Pronunciation to watch

The speaker uses 87 contractions and reduced forms, such as I'm, I'll, don't. Say them the short way, as you hear them.

The “sh” and “zh” sounds: stash /stæʃ/, bash /bæʃ/, extension /ɪkˈstɛnʃən/, flash /flæʃ/, integration /ˌɪn.tɪˈɡɹeɪ.ʃən/
Long words — get the stress right: successfully /səkˈsɛs.fə.li/, automobile /ˈɔː.tə.məˌbil/, temporary /ˈtɛmp(əˌɹ)ɛɹi/, experiment /ɪkˈspɛɹ.ə.mənt/, integration /ˌɪn.tɪˈɡɹeɪ.ʃən/

How to practise with this video

Listen to the whole video once without speaking and note the words you do not know.
Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
Record yourself and compare with the original, paying attention to words like mod, marketplace, prompt.

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.

Shadowing technique: read the full step-by-step guide →

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What is the Shadowing Technique?