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Impeccable: The missing upgrade to Anthropic's impeccable skill
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The missing design
vocabulary for agents.

It's why AI frontends all share one look: no words for hierarchy, contrast, or restraint. Impeccable gives your agent the designer's vocabulary, and gives you the same commands, so you both stop guessing and start directing, live, in your production codebase.

localhost:3000
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Variant 3 written to source
Steer

It fucking works beautifully. It's so cool.

Ben Davis @davis7

Impeccable > Claude design

Mertcan Yüzer @MertcanDYuzer

Uninstall whatever frontend skill you're using. Replace it with Impeccable.

Adrien Ninet @adrien_ninet

Impeccable is the most slept on tool for incorporating design thinking into coding workflows.

Anish Acharya @illscience

When anyone asks me about design for frontend I always recommend @impeccable_ai plugin. I'm very picky with design and it's become part of my everyday stack.

Cathryn Lavery @cathrynlavery

This is probably what Figma Make should be.

Ian Andrews @IanAndrewsDC

Impeccable is hands down the best UI design skill out there. I use it daily and recommend it to others as well. Great work! 💪

Carl Rannaberg @carlrannaberg

It has taken my ability to ship complex and beautiful designs to another level.

BowTiedGroundHog @BowTiedGroundHo

Impeccable is the best skill I've used this year. Can't believe it's free.

Ivan Leo @ivanleomk

Impeccable is so so good. I love it.

Watson Cyrus Anikwai @wanikwai

I will fight anyone who say anything bad against impeccable, just let me know who they are.

Faizan Khan @faizan10114

I've tried and used many UI design tools that enhance AI aesthetics, and this one is the best and most stunning I've ever used.

Hickerzed @Hicker_Moledao

Jorks ur shit crazy style

Tony Ge @largePrawn

@impeccable_ai is really good and is the first time I really felt a 10x productivity boost with AI. And I make an effort to try as many tools as possible.

Thomas Karatzas @karatzas_thomas

TIL you are the guy behind Impeccable. I owe like 3 customer conversions to you. Thank you for such an amazing tool.

Faizan Khan @faizan10114

Shipped a landing page in 2 hours using @conductor_build & @impeccable_ai. From idea to prod faster than most people pick a font ;))

Mikita @MikitaHQ

It fucking works beautifully. It's so cool.

Ben Davis @davis7

Impeccable > Claude design

Mertcan Yüzer @MertcanDYuzer

Uninstall whatever frontend skill you're using. Replace it with Impeccable.

Adrien Ninet @adrien_ninet

Impeccable is the most slept on tool for incorporating design thinking into coding workflows.

Anish Acharya @illscience

When anyone asks me about design for frontend I always recommend @impeccable_ai plugin. I'm very picky with design and it's become part of my everyday stack.

Cathryn Lavery @cathrynlavery

This is probably what Figma Make should be.

Ian Andrews @IanAndrewsDC

Impeccable is hands down the best UI design skill out there. I use it daily and recommend it to others as well. Great work! 💪

Carl Rannaberg @carlrannaberg

It has taken my ability to ship complex and beautiful designs to another level.

BowTiedGroundHog @BowTiedGroundHo

Impeccable is the best skill I've used this year. Can't believe it's free.

Ivan Leo @ivanleomk

Impeccable is so so good. I love it.

Watson Cyrus Anikwai @wanikwai

I will fight anyone who say anything bad against impeccable, just let me know who they are.

Faizan Khan @faizan10114

I've tried and used many UI design tools that enhance AI aesthetics, and this one is the best and most stunning I've ever used.

Hickerzed @Hicker_Moledao

Jorks ur shit crazy style

Tony Ge @largePrawn

@impeccable_ai is really good and is the first time I really felt a 10x productivity boost with AI. And I make an effort to try as many tools as possible.

Thomas Karatzas @karatzas_thomas

TIL you are the guy behind Impeccable. I owe like 3 customer conversions to you. Thank you for such an amazing tool.

Faizan Khan @faizan10114

Shipped a landing page in 2 hours using @conductor_build & @impeccable_ai. From idea to prod faster than most people pick a font ;))

Mikita @MikitaHQ

THIS. This shit works.

Servando @vandotorres

This is the best plugin ever created imo.

Vishveshwar Jatain @eclecticV

Claude skills are mostly BS. These ones are the rare, truly useful ones.

Nik @nik_ska

How is this free?? 🔥🔥

Zohaib A. @HeyZohaib

It's crazy that @impeccable_ai is free. It replaces some paid products while being better than them.

Sankalp Mukim @IceCreamChai

@impeccable_ai has been a huge help at all levels from prototyping to production. It has really upped our game. I can't see anything out-of-the-box like this replacing it.

Michael Hedgpeth @michaelhedgpeth

Impeccable is the best frontend design skill I've used rn. It clears the alternatives by a mile.

martta_xu @littlemartta

This is incredible. Developer and Designer workflows are changing so quickly and for the better.

Paul Kinlan @Paul_Kinlan

Recently used this skill for my personal portfolio and was blown away. Iterated multiple times on Claude code and hardly touched Figma.

Jashan Gupta @JASHANGUPTA15

This is 🔥. My landing page looked 100% vibe coded. I think it looks very decent now. I had fun in the process.

Sidney Hori Hawthorne @sid_hori

I'm glad that we never need to touch Figma again. Just run 8 agents using @paper w/ Impeccable's Claude skills.

billzh @billzh

Impeccable is such a great skill. I use it multiple times a day every day and it makes a huge difference.

John Ennis @johnennis

Upgraded an internal tool with better UI, UX, branding and reduced AI slop. This established a standard for the project itself.

Somesh @devsome_sh

It's so good.

Alejandro Reyes @alejandroreyes

This is the only set of agent skills I ever found use in. Thanks for making this.

Emre Coklar @EmreCoklar

THIS. This shit works.

Servando @vandotorres

This is the best plugin ever created imo.

Vishveshwar Jatain @eclecticV

Claude skills are mostly BS. These ones are the rare, truly useful ones.

Nik @nik_ska

How is this free?? 🔥🔥

Zohaib A. @HeyZohaib

It's crazy that @impeccable_ai is free. It replaces some paid products while being better than them.

Sankalp Mukim @IceCreamChai

@impeccable_ai has been a huge help at all levels from prototyping to production. It has really upped our game. I can't see anything out-of-the-box like this replacing it.

Michael Hedgpeth @michaelhedgpeth

Impeccable is the best frontend design skill I've used rn. It clears the alternatives by a mile.

martta_xu @littlemartta

This is incredible. Developer and Designer workflows are changing so quickly and for the better.

Paul Kinlan @Paul_Kinlan

Recently used this skill for my personal portfolio and was blown away. Iterated multiple times on Claude code and hardly touched Figma.

Jashan Gupta @JASHANGUPTA15

This is 🔥. My landing page looked 100% vibe coded. I think it looks very decent now. I had fun in the process.

Sidney Hori Hawthorne @sid_hori

I'm glad that we never need to touch Figma again. Just run 8 agents using @paper w/ Impeccable's Claude skills.

billzh @billzh

Impeccable is such a great skill. I use it multiple times a day every day and it makes a huge difference.

John Ennis @johnennis

Upgraded an internal tool with better UI, UX, branding and reduced AI slop. This established a standard for the project itself.

Somesh @devsome_sh

It's so good.

Alejandro Reyes @alejandroreyes

This is the only set of agent skills I ever found use in. Thanks for making this.

Emre Coklar @EmreCoklar

Desloppification

Impeccable strips the AI slop tells and bad defaults out of every design discipline, from type to motion to copy. A skill can't make the model a better designer; it can clear the reflexes that make its output look generated.

Browse the full catalog npx impeccable detect src/

The Language

23 commands give you a shared design vocabulary with your AI. Each maps to one discipline (/typeset for type, /colorize for color, /animate for motion), so you can ask for the exact thing without explaining it. Pick any to see it in action, or browse the full reference →

Ready to drop in

01

Respects your design system.

Inherits your tokens, components, and conventions instead of overwriting them. New work fits the system, not the model's defaults.

/impeccable polish : scanning codebase
Walking src/…
src/styles/tokens.css  14 colors, 6 font sizes, 7 spacing steps
tailwind.config.ts  theme.extend merged
src/components/  34 components
    · Button: primary, secondary, ghost, destructive
    · Card: 3 variants, 8px / 16px radii
    · Input, Select, Dialog, Toast, Table…
DESIGN.md  brand rules loaded
Matching your system. Not inventing one.
02

Real product context.

Captures the brief once, in PRODUCT.md. Every command reads it before designing.

PRODUCT.md Loaded on every command
Users SREs on call, reading fast, often in the dark.
Register Product. Design serves the task.
Brand voice Calm, clinical, no hype.
Anti-references Purple gradients. Glassmorphism. "Boost your productivity."
03

Travels as DESIGN.md.

/impeccable document writes one in the Google Stitch format. Your visual system becomes portable.

DESIGN.md Google Stitch spec
Primaryoklch(78% .12 82)
WordmarkSpaced 400
IM
Avenir Next
BodyRegular 400
Aa
Avenir Next
Components34
Primary Ghost
Email address
Readable by every DESIGN.md-aware tool.
04

Tuned to the agent you actually use.

Plays to each agent's strengths and around its weaknesses. Below: Codex used image generation to draft Neo Mirai before /impeccable craft turned it into shipped code.

01 · Visualize Auto-generated hi-fi landing-page mock in editorial warm-paper style.
02 · Shape Auto-generated brand toolkit: identity lockups, palette, type, icon system, and application mocks for a fictional AI design conference.
03 · Live build Finished Neo Mirai website hero and agenda, implemented from the generated conference mock.

Read the case →  ·  Open the live build →

05

Brand work is not product UI.

A landing page and a dashboard play by different rules. Impeccable runs in two registers, brand or product, and every command knows which.

Brand mode
Issue 04
Shape the story.
Product mode
Users12,482
Active now1,207
Conversion4.8%
06

Block slop before it ships.

A detector you can wire into PR checks. 41 deterministic rules, no LLM, exit codes the build can read.

feat/pricing-page ✗ failing
$ npx impeccable detect src/
src/Hero.tsx:42 gradient-text
src/Card.tsx:8 side-stripe-border
src/Button.tsx:17 ai-color-palette
3 anti-patterns · exit 1
07

Iterate in your live app. BETA

Pick any element in your running dev server, leave a comment or a stroke, hit Go. Three production-quality variants swap in via your framework's HMR.

localhost:3000
section.hero more elegant
bolder ×3 Go

See how Live Mode works →

08

Accept writes to source.

Variants land in your real file as an ordinary edit, not a throwaway mock. A diff you can review, commit, or undo.

Wrote src/Hero.astro
- "Welcome to Our Hotel"
+ "Where the coast forgets time"
- "Book Now"
+ "Reserve your stay"

Get started

Install
npx impeccable skills install
Update
npx impeccable skills update

Works with Cursor, Claude Code, GitHub Copilot, Gemini CLI, Codex CLI, and every other major AI coding harness. install sets up the build for your harness; update pulls the latest. Run npx impeccable skills check to see if you're behind. Installed the Claude Code plugin? Update it from the /plugin menu instead.

Other install methods
Claude Code plugin
/plugin marketplace add pbakaus/impeccable
Then open /plugin in Claude Code and install Impeccable from the list. Claude Code only.
npx skills
npx skills add pbakaus/impeccable
The general-purpose skills installer. For now it installs one shared build for all harnesses rather than the build compiled for yours. Prefer npx impeccable skills install above for the correct setup.

See what's new · Got questions?

Learn more: Designing with Impeccable · the command docs