We're launching Claude Community Ambassadors. Lead local meetups, bring builders together, and partner with our team.

Open to any background, anywhere in the world.

Apply: https://claude.com/community/ambassador

https://developers.openai.com/codex/community/codex-for-oss

Get a chance to get 6 months of ChatGPT Pro with near to unlimited usage of codex for your Open Source Projects!!

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Our 3-hour Generative AI session has just started.

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🛑 UI/UX Tip: Use "Skeleton Screens" over Spinners

Don't leave users staring at a blank screen or a generic loading spinner. Spinners often make the wait feel longer because they provide no context.

❌ Bad (High Perceived Latency):
Showing a "Loading..." text or a spinning wheel that gives no hint of what's coming.

✅ Good (Low Perceived Latency):
Using Skeleton Screens—gray, shimmering placeholders that mimic the layout of the content about to load (like the layout of a news feed or profile page).

The takeaway: Skeleton screens reduce "uncertainty." If the user sees the shape of the content, they perceive the app as faster and more responsive, even if the actual load time is identical.

🚫 Logic: Avoid "Magic Numbers"

A random number in your code like 86400 is a mystery to anyone who didn't write it (including you, six months from now).

❌ Mystery Numbers:
setTimeout(handler, 86400);

✅ Named Constants:
const SECONDS_IN_A_DAY = 86400;
setTimeout(handler, SECONDS_IN_A_DAY);

The takeaway: If a number has a specific meaning, give it a name. It makes the code self-documenting and easier to update in one place.

🤖 AI-Friendly Coding: Add Type Hints

In 2026, you aren't just writing for humans; you're writing for AI agents (like Copilot or Cursor). Without types, AI makes more mistakes.

❌ Implicit/Any Type:
function calculate(price, tax) { ... }

✅ Explicit Types (TypeScript/Python):
function calculate(price: number, tax: number): number { ... }

The takeaway: Adding types reduces "hallucinations" from AI tools and catches bugs before you even hit "Save."

🔄 Refactoring: The "Single Responsibility" Function

If your function name has the word "And" in it (e.g., validateAndSaveUser), it’s doing too much.

❌ The Do-Everything Function:
A 50-line function that validates an email, hashes a password, and saves to a database.

✅ The Modular Approach:
Break it into three tiny functions: validateEmail(), hashPassword(), and saveToDb().

The takeaway: Small functions are easier to test, easier to name, and significantly easier to reuse in other parts of your app.

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It's free by following these 13 links:

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2 - AI Fluency: Framework & Foundations. The foundational thinking course. Must need.

↳ https://anthropic.skilljar.com/ai-fluency-framework-foundations

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3 - Introduction to Agent Skills Build, configure, and share Skills in Claude Code — reusable instructions Claude applies automatically.

↳ https://anthropic.skilljar.com/introduction-to-agent-skills

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4 - Building with the Claude API Full spectrum: function calling, tool use, streaming, SDKs, and production patterns.

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5 - Claude Code in Action Integrate Claude Code into your dev workflow. Hands-on, practical, ship-focused.

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6 - Intro to Model Context Protocol Build MCP servers and clients from scratch in Python. Tools, resources, and prompts.

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7 - MCP: Advanced Topics Sampling, notifications, file system access, and transport for production MCP servers.

↳ https://anthropic.skilljar.com/model-context-protocol-advanced-topics

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8 - AI Fluency for Students AI skills for learning, career planning, and academic success through responsible collaboration.

↳ https://anthropic.skilljar.com/ai-fluency-for-students

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9 - AI Fluency for Educators For faculty and instructional designers applying AI Fluency into teaching and institutional strategy.

↳ https://anthropic.skilljar.com/ai-fluency-for-educators

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10 - Teaching AI Fluency Teach and assess AI Fluency in instructor-led settings. Curriculum-ready.

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11 - AI Fluency for Nonprofits Increase organizational impact and efficiency while staying mission-true.

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12 - Claude with Amazon Bedrock The full AWS accreditation course, now open to everyone.

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13 - Claude with Google Cloud's Vertex AI Work with Claude through Google Cloud's Vertex AI, from setup to production.

↳ https://anthropic.skilljar.com/claude-with-google-vertex

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14 - How to master AI with words (not code) Shameless plug: it's my own (free) newsletter. Join 373,000+ weekly readers at http://how-to-ai.guide.

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I made http://how-to-claude.ai to start mastering Claude.

And then http://claude-co.work to master Claude Cowork.

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🧪 Testing Tip: The "AAA" Pattern

Writing tests shouldn't feel like a chore. If your tests are messy, you won't write them. Use the Arrange-Act-Assert structure.

❌ The Spaghetti Test:

Mixing variable setup, function calls, and expectations in one giant pile of code.

✅ The AAA Structure:

test('should calculate total', () => {
// 1. Arrange (Setup)
const price = 10;
const quantity = 2;

// 2. Act (Execute)
const result = calculateTotal(price, quantity);

// 3. Assert (Verify)
expect(result).toBe(20);
});

The takeaway: This pattern makes your tests readable at a glance. Anyone can look at it and see exactly what is being tested and what the expected outcome is.

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