AI Tutorials & Practice
收录 AI 工具教程、提示词、安装部署、配置指南、开发实战与可复现步骤。
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TutorialsOrdinary
I asked Claude to explain an API request as a tiny machine
One prompt with the /anatomy skill gave me an interactive isometric bench for an API request. Here's what each part means, what I changed after the first version, and how to remix it.
Source: DEV Community · Claude
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Web Pages Can Command AI Coding Agents: Over 90% Success Through the Downloads Folder
Browsers save files to Downloads without user interaction, while AI agents automatically follow instruction files. These two behaviors, neither a bug
Source: DEV Community
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What breaks when Claude Code runs overnight with nobody watching
Scheduling a coding agent takes a few minutes. A launchd plist, a cron line or a desktop scheduled...
Source: DEV Community · Claude
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Nothing To Do: an agent that opens the mail you're avoiding
There is a letter on my kitchen counter I have not opened in nineteen days. I know roughly what it...
Source: DEV Community
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Automate Your Marketing Workflow With AI Agents
Digital marketing involves a surprising amount of repetitive work. Before launching a campaign, you...
Source: DEV Community
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AI-built waitlist forms in Next.js 16: 6 traps to check before launch (and the prompts that fix them)
An AI-built Next.js waitlist form can look finished and still lose signups, let a script skip its...
Source: DEV Community
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Stop Waiting for Your Coding Agent to Finish. Interrupting Early Is the Skill
Fire a prompt, check back in 20 minutes, and you've deferred the fix until it's expensive. Claude Code's own guide says course-correct early and often.
Source: DEV Community · Claude
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Preparing Product Data and Pages for AI Shopping Discovery
AI-powered shopping experiences are adding a new layer to product discovery. Rather than presenting a...
Source: DEV Community
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MCP Token Cost: I Cut My MCP Server From 15 Tools to 4
I rebuilt a real AWS cost-triage MCP server from 15 tools to 4. Same account, same question, 7 tool calls down to 2, schemas 88% smaller.
Source: DEV Community
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Keeping track of your agent's work
Long-running agents lose context, and so do you. Why every feature or fix I work on with an agent gets a ticket the agent keeps up to date.
Source: DEV Community
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Agentic Search May Be the Bigger Opportunity Than GEO, but Measurement Comes First
Generative Engine Optimization is useful shorthand for improving a site’s chances of being...
Source: DEV Community
TutorialsOrdinary
My agent has two Playwrights
1,929 Playwright MCP calls in a month and almost none were tests. How I use the browser as my agent's eyes, and why every PR now ships with screenshots.
Source: DEV Community
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Seven months of coding agents: what $28,335 actually bought
201,473 tool calls across five agent harnesses, and 0.7% of them ran while I slept. What the spend, the interrupts and the 15-actions-per-turn leash say about staying in the loop.
Source: DEV Community
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MCP 2.0: the release that deleted the handshake
MCP's 2026-07-28 revision removed sessions, the initialize handshake and held-open streams. What the handshake era cost, what replaced it, and why Appwrite's MCP server shipped it in a day.
Source: DEV Community
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Will MCP replace the CLI?
MCP gives agents typed, discoverable tools, but the CLI remains reproducible and composable. Where each interface wins and why both will survive.
Source: DEV Community
TutorialsOrdinary
Connect your Garmin to Claude in two minutes
A step-by-step guide to adding a free Garmin connector to Claude on the web, phone and desktop, what it can see, and the first questions to ask. Part 1 of Your Garmin data in Claude.
Source: DEV Community · Claude
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AI Says My Project Will Take 2 Months. Then Builds It in a Week.
I noticed something strange about AI project planning. Ask AI to create a development plan for a...
Source: DEV Community
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What Happens When Someone Tricks Your AI Agent Into Ignoring Its Rules?
You spent three weeks building an AI agent that handles customer refunds. It validates receipts,...
Source: DEV Community
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MCP — Model Context Protocol
MCP — Model Context Protocol A deep-dive walkthrough of connecting AI applications to...
Source: DEV Community
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What should stop an AI coding agent before it acts?
Agent safety discussions often collapse three different questions: Role preflight — Is this task...
Source: DEV Community
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Playwright docs say dispatch_event('click') equals element.click(). On a disabled button it didn't.
Four ways to click from a Playwright script, run against a disabled, a hidden and an off-screen button. On the disabled one, dispatch_event ran the onclick and element.click() did not.
Source: DEV Community
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Your secrets don't need a git commit to leak into an AI tool
Most of us have the "don't commit secrets" reflex drilled in. Pre-commit hooks, secret scanners in...
Source: DEV Community
TutorialsOrdinary
How I make motion videos with Claude Opus 5.5 (the full setup, prompts and numbers)
TL;DR. Opus 5.5 never touches a pixel. It writes one HTML file where every frame is a pure function...
Source: DEV Community · Claude
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Who left this note for your AI agent? (A 2-minute check for Codex and Claude Code users)
A web page can save an AGENTS.md into your Downloads folder without a single click. Your coding agent...
Source: DEV Community · Claude
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How to Measure AI Search Visibility Beyond Rankings and Clicks
AI-generated search answers make familiar SEO reporting incomplete. A brand can be named in an answer...
Source: DEV Community
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Skillware Still 6 Months Ahead of Every Major Agent Skills Framework
Why the AI agent ecosystem is hitting a wall with ad-hoc tool calling, and how Skillware's...
Source: DEV Community
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How a Key Leaked in May Shipped Malware in October
The LiteLLM attack had no clever trick in it. Every step was a key or token that still worked long after anyone needed it. And the malware ran before Python imported anything.
Source: DEV Community
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Automated API Load Testing on AWS: Grafana k6 and AI-Powered Reporting with Amazon Bedrock
1. Introduction When developing an application or service, one of the common questions we...
Source: DEV Community
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Top 5 Open Source LLM Gateways
When an application uses AI models from multiple providers, having a good open source LLM gateway can...
Source: DEV Community
TutorialsOrdinary
I Coded for 30 Days Using Only Claude Code — Here's What I Learned
Not "AI-assisted." Not "copilot suggestions I edited." I made a rule: for 30 days I don't type...
Source: DEV Community · Claude
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Context Engineering over Prompt Engineering: Architecting Codebases for AI Agents
Context Engineering over Prompt Engineering: Architecting Codebases for AI Agents TLDR:...
Source: DEV Community
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Your AI remembers the old answer. How do you handle facts that changed?
I work at Wontopos, so I'm biased. I build a memory API. But this post isn't about it. It's about a...
Source: DEV Community
TutorialsOrdinary
Black-Box Testing with AI Agents: Test the Rules, Not the Code
One of the most useful test reports I've seen an AI produce came from agents that never saw a single...
Source: DEV Community
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Pira - Creating my own Jira in Code Apps
I've always worked by a golden rule for AI generated software, the 'Blast Zone must be small', what...
Source: DEV Community
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The LiteLLM Master Key Leak Sat Unrevoked for 136 Days, Then Hijacked a Release Pipeline
The LiteLLM master key leak sat unrevoked for 136 days after a force-push supposedly fixed it, then let an attacker publish a malicious PyPI release.
Source: DEV Community
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I stopped hunting for good first issues. A Gemma inside GitHub Actions does it while I sleep
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady ...
Source: DEV Community
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SlothAssist: An On-Device Gemma Agent for Automated Shopping
This is a submission for the Hacktoberfest Open-Source AI Challenge: Week 3 — Slow and Steady. ...
Source: DEV Community
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Sloth Migrate
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady Remember...
Source: DEV Community
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Build without limits - SDLC Briefing, #3
Hi! I am Ricardo Sueiras, leading SDLC transformation at Indicium AI. That means I get to work with...
Source: DEV Community
TutorialsOrdinary
Gemma Reads the Chat. Python Refuses to Guess.
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady * ...
Source: DEV Community