I Hatched a Legendary Pet Inside Claude Code... Here's How You Can Too (/buddy)

Anthropic just shipped /buddy in Claude Code v2.1.89 - virtual pet companions that live in your terminal while you code. We predicted this exact feature in yesterday's source code leak video. Every single detail was accurate.

I hatch my buddy LIVE for the first time, break down all 18 species, rarity tiers, shiny variants, stats, and hats, then show you how to pick ANY buddy you want - even a Shiny Legendary Dragon.

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⏱️ TIMESTAMPS:

0:00 - We Predicted This - Buddy Is Real

0:34 - What Happened (The Leak Recap)

1:49 - Hatching My Buddy LIVE

3:43 - How The Buddy System Works

5:17 - The 18 Species

5:54 - Rarity Tiers + Shiny Variants

6:41 - The 5 Stats Explained

7:33 - The 8 Hats

8:35 - Is It Permanent?

10:23 - Buddy Checker (See Yours Before Hatching)

11:38 - Pick ANY Buddy (any-buddy Tool)

14:08 - The Legendary Dragon

16:13 - Why This Actually Matters

18:18 - Free Resource + Stride AI Academy

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The buddy system includes 18 species (duck, dragon, ghost, axolotl, capybara, chonk, and more), 5 rarity tiers (Common 60% to Legendary 1%), 1% shiny chance, 5 stats (Debugging, Patience, Chaos, Wisdom, Snark), and 8 hats. Your buddy is deterministic - generated from your user ID using FNV-1a + Mulberry32 PRNG. Zero token cost.

#claudecode #anthropic #buddy #virtualpet #aitools #coding #developer #pokemon #tamagotchi #claudecodebuddy

#claudecode #anthropic #aileak #claudecodeleak #opensource #aitools #coding

Transcript

In yesterday's video, I told you how

Anthropic is hiding virtual pets inside

of Claude Code. And last night, they

actually shipped this feature. And every

single detail from the leak was real.

So, no, it was not an April Fool's joke.

18 species rarity tiers, shiny variants.

I haven't hatched mine yet. I'm doing it

live right now for you. And then I'm

going to show you how you, if you want,

can pick literally anybody that you

want, even the shiny legendary, which is

a 1% chance pick. Now, quick recap for

anyone who didn't see my video yesterday

or who doesn't know about this whole

leak. Well, yesterday, Anthropic

accidentally leaked their entire Claude

Code source code through a source map

file. Now, Enthropic officially

responded via The Verge, saying this was

a release packaging issue caused by a

human error, not a security breach.

We're rolling out measures to prevent

this from happening again. So, they're

blaming it on the humans, not their AI

models. And we did a full deep dive uh

going through this entire thing. So, if

you want to check that out, go check out

yesterday's video. Now, in that video,

we broke down the six biggest findings

that we found from this actual source

code. And one of those big findings was,

of course, this buddy system. The code

showed, like I said, 18 species, five

rarity tiers, shiny variants, stats,

hats. It's literally like Pokémon Go or

Tamagotchis literally for AI code. And

it was all set to deploy for April 1st

to 7 as a teaser and permanent after

that. And last night, April 1st, it went

live in Cloud Code version 2.1.89,

exactly on schedule. So, let's go ahead

and hatch mine. And the only other

response they really gave is just a

bunch of DMC takedowns, whether it be

GitHub repos or Versell apps, whatever

the case is. It seems like they're

kicking and screaming going through this

whole process. Now, the one thing Boris

did say, who is the creator of Claude

Code, he said, "Mistakes happen. As a

team, the important thing is to

recognize it's never an individual's

fault. It's the process, the culture, or

the infra. In this case, there was a

manual deploy that should have been

better automated. Our team has made a

few improvements to the automation for

next time. A couple more on the way.

It's a pretty good response from Boris.

He's not blaming anyone and he's kind of

taking accountability and some people

are like, you know, great leader, great

teammate right there. Okay, to start

off, we're going to actually have to

update our claude code. So, we're going

to go ahead and run this command right

here. So, this mpx atthropic latest.

Okay. And boom. I'm going to go ahead

and trust this file. And now we can see

that we have this little buddy slash

command right here. So, we're going to

go ahead and hatch our buddy. And as you

can see, as we type buddy, we got this

nice rainbow text here. And this is

live. You can You're supposed to only be

able to hatch this once. So, let's see

what we get. Hatching. Hatching.

Hatching. coding a buddy and I got a

Gristol. So, this is a rare cactus.

Okay, a cactus desert philosopher who

tears into your bugs with surgical

precision before immediately questioning

whether you should have written it that

way in the first place. So, we can see

its stats. We have debugging, patience,

chaos, we have wisdom, snark, literally

all the different stats that we went

over in the leak yesterday. And we can

see Gristle is here. It'll chime in as

you code. Your buddy won't count towards

your usage. Say its name to get its take

for/buddy pet/buddy off. We're going to

dive into actually how to use this now.

Now, here's a few things most people

don't know about the whole buddy system.

So, let's go over how it's actually

generated and how it actually works. So,

your pet is deterministic. So, it's

generated from your user ID. So, it's an

FNV-1A

hash plus Mulberry 32P RNG and it's

seated with your user ID plus friend

2026-41.

Now, you can't roll, you can't cheat.

The anti-cheat system recalculates every

session. So, the same user ID equals the

same pet every time. and it's

essentially your virtual pet companion

system baked into Claw Code like Pokémon

Go or Tamagotchis in your terminal. So,

a few things to note. It has a

personality which they call a companion

soul. Uh, and Claw generates a unique

name and personality description on

First Hatch, often referencing your past

interactions. There's six eye

variations. So, there's dot, sparkle,

cross, circle, at, and degree. and a few

of the actual slash commands to use it.

So slashbuddy is your hatch for your

buddy for the first time or to show your

buddy. And then there's pets. So this

pets your buddy. So this is floating

heart animation. There's card. So this

will view your stat card with asci

sprite stats and rarity. And then

there's mute. So this silence speech

bubbles. Uh unmute. So restore the

speech bubbles off to just basically

hide your buddy entirely. So you can

talk to your buddy by name and it

replies in the speech bubble. So type

buddy pet to make hearts float around

it. And if you address your buddy, it

will respond in character. Now like I

mentioned, there's 18 different species.

So there's duck, goose, blob, cat,

dragon, octopus, owl, penguin, turtle,

snail, ghost. Uh you really get the

whole picture. Each species has a unique

art. Five lines tall, 12 character wide,

three animation frames that cycle every

500 milliseconds. And the capi bear

species is hex encoded in the source

code because capibera is also an

internal anthropic model code name. So

there's different rarity levels like I

mentioned. You have common which gives

you a 60% chance which is one star.

Uncommon 25% chance of getting it two

stars. Rare 10% chance of getting it

three stars. As you can see my cactus

right here crystal is rare. And then we

have epic which is 4% chance four stars.

And legendary 1% chance five stars. So

higher rarity means higher stat floors.

Legendary buddies are statistically

superior across the board. Though the

stats are purely just cosmetic right

now. There really is no functionality.

Now there is also shiny variants. So

everybody has an independent 1% chance

of being shiny regardless of the rarity

tier. Shiny variants have a rainbow

color shimmer animation and sparkling

effects. So unfortunately mine is not

shiny. Now there are five different

stats. So all stats are on a 0 to 100

scale. We have debugging. So this is

code issue detection capability. This

affects how your buddy comments on

errors. We have patience. So feedback

gentleness level affects tone of your

buddy's reaction. We have chaos. So

response unpredictability affects

randomness of buddy commentary. We have

wisdom. So this is the technical insight

depth. This affects how profound buddy

observations are. And then snark. So

commentary sharpness. This affects how

sarcastic or witty buddy is. Now, like I

said before, please note these stats

currently at least are cosmetic only.

They don't actually affect how your

buddy talks to you. They do affect how

your buddy talks to you, but they don't

affect Claude Code's coding performance

in any way. Next are the eight different

hats that your buddy can wear. So, there

is none, which is common by default.

Then you have crown. So it's uncommon

and above. Top hat uncommon. Propeller

uncommon. Halo. This is rare. And then

wizard rare. Beanie epic. And then tiny

duck is legendary only. So hats render

the top line of the sprite frame. Now

common buddies never receive hats. Like

I said, your buddy is generated in a

very specific way based on your user ID.

Editing your config file will not work

because traits are recalculated from

your user ID every session. So the bones

which are species, rarity, stats, hat,

shiny status, those are deterministic

and recalculated fresh each session. The

soul which is the name and personality

is generated once by the LLM on first

hatch and stored permanently. Now if the

LLM fails during name generation, one of

the six fallback names is used, which is

crumpet, soup, pickle, biscuit, moth, or

gravy. Now, you may be wondering, is

this buddy thing permanent? Because we

saw in which I covered in yesterday's

video, the buddy roll out was set

between April 1st to 7th, and we didn't

really know if it was going to be

permanent. But now, it seems that after

April 8th, we're still going to see

these buddies. So, as of now, there is

really no sign that these will be

depreciated. So, this whole shipping of

the Buddy right on schedule does

somewhat basically confirm. I mean, it

does confirm, we already know this is

true, that this whole leak was actually

accurate. I know a lot of people were

speculating, hey, is this an April

Fool's joke? Just because it's such a

almost embarrassing leak and such a

rookie mistake that a junior developer

would make. But, yes, this is accurate

and yes, this is just right on schedule.

So that means all the other stuff that

we saw which like I said covered in

yesterday's video if you haven't already

seen with some of the different models

that are coming etc. we can know that we

need to start preparing for that for

when these actually come these new

releases. So a few things that your

buddy will not do. It won't write code.

It won't review code quality. It won't

detect real bugs and it does not consume

your API tokens. Okay so let's go ahead.

As we can see Gristol over here on the

right side and unfurl spinny arms to

specifically.

Okay. Okay. So, let's go ahead and test

our buddy. So, buddy, and we're going to

go ahead and just give him a nice pet to

start off our, you know, relationship.

So, now we're petting Bristol, right?

He's very happy. As you can see, he's

waving his arms in the air. Now, if we

want to check our buddy card, we can

simply just do buddy card. Boom. Now, we

have our card again. I'm going to say,

"Hi, Crystal." Oh, he's waving back at

us. Now, you can also mute him, unmute

him, or hide him completely. I'm not

going to do that because we want him to

stay here right now with us. Now, if you

haven't hatched your buddy yet, you can

actually check out what you're going to

get before you type buddy. And I mean,

this kind of does ruin the surprise, but

if you do want to check, uh, you can

actually go to this buddy checker right

here. And once again guys, this document

as well as all the documents that we

cover on this channel for free resources

will of course be available in our

Stride AI Academy where you can also

network with myself as well as other

like-minded AI entrepreneurs,

enthusiasts, business owners, etc. So

this right here is the Claude Code Buddy

Checker. Let's go ahead and open this

right here. And as you can see, this is

how you can check your buddy. So you can

see here there's a couple different

options for checking your buddy

beforehand. So there's option one where

you could ask cloud code what's my

account UYU ID and it may be able to

tell you it may actually encounter an

issue like you can see here I first

initially asked and it said I don't have

this account information for you could

you clarify what you know this is and

then I simply just pasted in this whole

thing and then it was able to do it but

you can see here there's also some

terminal commands or you could just open

it manually and search yourself right

and then you can see here it actually

found my account UU ID right here so

then I simply just took that pasted it

right here checked the uh buddy and you

can see this is our cactus right here.

Um eyes right here, hat none debugging.

You can see all the stats right here. So

pretty cool checker right here. But

here's where things get crazy. What if

you don't like your buddy? What if you

don't like what you got? So the

community reverse engineered the hashing

algorithm in less than 24 hours. There's

a tool called any-body. So it's npx

any-body at latest. And we're going to

go ahead and try it out right now. Hey,

so this is the repo. If you need help

using it, just ask cloud code. But it's

very simple. You just simply run this

command, mpx any-body, and then go ahead

and run it. You're going to go ahead and

click yes. And then it's going to pop up

this. So, Windows support is

experimental, so you must close all code

windows before patching. If you

encounter issues, report them here. And

then here we can see our current default

pet, which is cactus. And we can see its

eyes. It has the hat. Right now, I got a

propeller. It's not shiny. And you can

see all the different stats. So now we

can go ahead and choose our pet. And

then we're going to go ahead and select

dragon right here. And then I can go

ahead and select which eyes I want.

Let's say I just want these eyes. And

then we can select our rarity. We're

going to go ahead and go for legendary.

And then we can select our hat. I'm

going to go with tiny duck hat. And then

we're going to go ahead and make it

shiny. You can choose if you want to

customize the stats. So best or worst

stats. Uh search takes 20% longer. Sure.

Let's go for it. So, best stat, let's go

with debugging. Worst stat, maybe chaos.

And your selection is dragon. This stat,

do you want to actually apply? You want

to find a matching salt and apply. I'm

going to go ahead and click on yes. And

we can see it is searching right here

and attempting. We can see here it

expects 172.8 million expected attempts.

Um, right now we're at 27% and expected

time is 2.1 minutes. Okay. And boom, we

found in 104 million attempts and your

new pet is a dragon. Uh, Claude Code is

currently running. The patch is safe.

Use atomic rename. The running process

keeps using the old binary and memory,

but the change won't take effect until

you restart Claude Code. So, patch

binary and then you'll need to restart

Claude Code. Yeah, sure. Install auto

patch hook. Yeah, sure. Hook installed.

So, rename your companion. Let's say I

want to go with Stridey. current

personality is a costic desert

philosopher who tears into your bugs

with surgical precision before

immediately questioning whether you

should have written it that way in the

first place. So I'll just go ahead and

keep it. Actually, you know what? We'll

do the dragon default. So a fierce

guardian of clean code who breathes fire

at and boom. Quit all code cloud code

sessions and relaunch to see your new

pet. And we can actually already see his

name already changed to Stridey right

here. Now I'm going to launch Cloud Code

right here. Okay. And boom. Here we have

our legendary dragon. So, I actually had

to redo it a couple times. As you see,

this one I didn't actually add a custom

name, but I could go back and do so if I

want. This one's named Jolster. Same

description, but you can see this is a

legendary uh buddy right here. And you

can see that if I go over here, we're

doing some claw coding right this very

second. And Joel is just chilling over

here in the corner with his eyes uh

being a dragon, being legendary. You get

the point. Now, if you're wondering what

I'm actually doing right here right now,

is I was actually encountering some

issues with this. Uh, now from Claude

Code, at least the troubleshooting I was

doing, it's saying it may be a Windows

issue because anybody

the repo expects that Claude is running

on bun, but with Windows, how I have it

set up, it's running on node. So,

basically what we're doing here is I'm

going to give you two things. One, a

fork version of the repo. Uh we're also

submitting a PR so maybe they can update

this but a forked version of the repo

that should mitigate this or you know

fix this. So I'll give you access to

that so you can use that forked version.

Um but also too if you are going to use

the non-forked version I'll give you a

prompt that you can give your clawed

code to fix it if you do encounter an

issue. You may not encounter an issue

but I personally was. Basically what was

happening was it was giving me a

different buddy but it was like a common

or uncommon buddy. It wasn't giving me

the dragon. So this way as you can see

now we actually got the dragon. Okay. So

I just submitted a PR right here. If

you're using the fork you can run npm

install-g joshpok/

anybody. And then here is the prompt if

you are using the main anybody that you

can give to your cloud code to uh fix

this if you're on Windows. And if you do

encounter any other issues that it I

didn't encounter, for example, any bugs,

just ask cloud code to fix it. You

basically have a genius in your pocket.

So make sure you're maximizing its

capabilities and, you know, using it

when you should be. So all in all, guys,

you know, this is really just like a

tomagotchi for your AI coding. And a lot

of people are just dismissing this as a

meme, but think about what this actually

means. I mean, Anthropic is already

thinking about emotional engagement, not

just utility. You know, we know

Anthropic for working with enterprises

and being all about coding, which, you

know, they still are, but this is kind

of tailored more for like consumers.

Something kind of like how OpenAI has

the consumer market, Anthropic has the

enterprises. Well, now we're starting to

see this the lines blur a little with

this huge surge in popularity with

Claude Code. And think about this. This

is the first step towards an always on

companion. You know, we found in the

Chyros code, right? So, who knows? Maybe

this pet could end up being Chyros or

Chyros plus Dream plus buddy, you know,

allin-one team, a persistent AI that

remembers you, uh, works while you sleep

and has a personality. And if you don't

know about Chyros, like I said, check

out my video yesterday. Every consumer

app that succeeded long term, whether it

be Snapchat, you know, Duolingo,

Tamagotchi, whatever, they all have

emotional hooks to get these consumers.

All right, so this is a consumer

emotional play. This isn't for

enterprises, right? If they were just

focused on enterprises, then they

wouldn't be doing these this Buddy

system, right? So, Enthropic is applying

consumer psychology to a developer tool.

And Buddy is really just a Trojan horse.

It's a cute pet, but the strategy behind

it is very serious. People are already

going crazy for Buddy on Twitter, etc.

People are requesting to, you know, be

able to trade buddies or have evolutions

like Pokémon, you know, different

evolution types. So, you know, you can

see how this could really turn into

something much bigger. And people are

already building on top of it like you

saw with Anybody and all these different

things. Like here's another repo I

found. It's a buddy reroll. I haven't

personally tried this one, but you know,

people are already doing things like

being able to roll and all these

different things. So, it's really cool.

I'll leave this as well in the document.

So, once again guys, if you missed the

original leak deep dive video where we

called this exact same feature

yesterday, go watch this video. Link

will be in the description. Everything I

covered, the link for that video, the

prompts, the resources, the repos, all

that stuff will be in this document,

which of course you can find in our

StrideAI Academy. Drop a comment down

below. What did you get in your first

try? What you know was your buddy that

hatched. I actually am curious if anyone

does get a shiny legendary without

anybody. Uh, let me know down below. And

once again, make sure to join the Stride

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Take care.