AIcss: UI Components for AI Agents

Free to use UI components

UI components for AI Agents

Beautifully crafted, copy-paste blocks for everything an agent shows mid-conversation: thinking states, tool calls, streaming text, tables and more.

Browse components

Thinking & Reasoning

2 components

Thinking

Thinking StateThinking & Reasoning

Thinking + ReasoningThinking & Reasoning

Tool & Action States

3 components

Searching “JWT auth vulnerabilities and middleware security best practices”

JWT verification best practices·auth0.com/blog/jwt-security-best-practices

Node.js authentication security guide·owasp.org/www-project-nodejs-goat

JWT attacks · Web Security Academy·portswigger.net/web-security/jwt

Web SearchTool & Action States

src/auth.ts+4-1

1212export function getToken() {

13- return localStorage.token;

13+ const t = cookies.get("session");

14+ if (!t) throw new Error("no session");

15+ return t;

1416}

File DiffTool & Action States

1024 × 1024

Generating image“a calm mountain lake at dawn”

Image GenerationTool & Action States

Text Outputs

4 components

Here's a quick summary. The migration touches three modules and is safe to run incrementally.

I'd recommend starting with the auth service, then rolling out the rest behind a feature flag.

Text ResponseText Outputs

Streaming TextText Outputs

Transformers scale well with data and compute1, though attention is quadratic in sequence length2.

Inline CitationsText Outputs

utils.ts

1export const sum = (a: number, b: number) =>

2 a + b;

3

4export const clamp = (n: number, min: number, max: number) =>

5 Math.min(Math.max(n, min), max);

Code BlockText Outputs

Structured Outputs

3 components

Scaffold the project structure

Build the component registry

Implement entitlement gating

Wire up Stripe checkout

Polish the landing page

To-do ListStructured Outputs

Model

Context

$/1M in

gpt-4o

128k

$5.00

claude-3.5

200k

$3.00

llama-3.1

128k

$0.90

Data TableStructured Outputs

Feature

Personal

Enterprise

Unlimited projects

✓

✓

All components

✓

✓

Team-wide usage

—

✓

Priority support

—

✓

Comparison TableStructured Outputs