CLSkills_Hub

The CLSkills blog

147 posts on Claude Code, agents, and prompt engineering. Every claim tested.

FeaturedJul 9, 2026 · 8 min read

Claude Fable + Token Monitoring: How to Cut Your Claude Code Bill Without Cutting Quality

Fable is the fast light Claude 5 model built for cost efficiency. Here is when to use Fable vs Sonnet vs Opus, how to monitor tokens live inside VS Code, and the honest math on what each saves.

Verify Claude

Learn how to fact check Claude responses with stacked prompts

Aug 14, 2026 · 3 min read · claude

Self-Host Production AI Agents: 20 You Can Buy and Run

Not prompt files. 20 production AI agents built on LangGraph with security gates and human approval. Self-host, bring your own key, nothing phones home.

Aug 1, 2026 · 9 min read · self-host production AI agents

How AI Can Prevent Exam Paper Leaks in India After NEET 2026

After the NEET 2026 paper leak, here is a real AI exam security architecture: dynamic question paper generation, AI proctoring India, and secure exam software.

Jul 28, 2026 · 8 min read · NEET 2026 paper leak

Claude Usage Credits: How to Enable Them and Set a Cap

Enable Claude usage credits in Settings, then Usage. Set a monthly cap first, then add funds. Fable 5 bills $10/$50 per million tokens, worked examples inside.

Jul 20, 2026 · 7 min read · claude usage credits

Claude Fable 5 Free Access Ends July 19: What to Do

Fable 5 leaves paid Claude plans July 19 at 11:59pm PT. The do-nothing default, usage credits at $10/$50 per million tokens, and whether Sonnet 5 is enough.

Jul 17, 2026 · 7 min read · fable 5 july 19

Block AI Crawlers or Allow Them: 2026 Site Owner Guide

Block AI crawlers or let them in: a copy-paste robots.txt with every verified bot, Cloudflare AI crawlers permission rules, and what I run on my own site.

Jul 15, 2026 · 8 min read · block ai crawlers

Reduce AI Token Costs Without Cutting Output: 2026 Guide

Reduce AI token costs without cutting output: trim context, cache prompts, and stop retries. Real 2026 pricing for ChatGPT, Claude, Gemini, and API users.

Jul 15, 2026 · 7 min read · reduce ai token costs

Claude vs ChatGPT

Discover if Claude outperforms ChatGPT for writing tasks and learn how to improve your AI-generated content

Jul 13, 2026 · 3 min read · claude

Claude Fast Mode Removed July 24: What Breaks and Fix

Claude Opus 4.7 fast mode is deleted July 24, 2026. Requests error, no fallback. Here is the exact migration path to Opus 4.8 and the 3x price cut you get.

Jul 12, 2026 · 8 min read · claude fast mode

Claude Prompt Caching: The Real Setup Guide (Cut API Costs Up to 90%)

How Claude's prompt caching actually works, when it saves you money, when it costs you more, and the exact break-point pattern that gets a 90% discount. Verified against Anthropic's official spec.

Jul 10, 2026 · 7 min read · claude

Is /godmode a Real Claude Prompt? I Tested It Against Baseline (Honest Verdict)

/godmode is the most-searched Claude prompt code that nobody has tested. I ran 14 prompts with /godmode vs no prefix. Verdict: 2.1x longer output, correctness slightly worse. Placebo.

Jul 9, 2026 · 8 min read · claude

Best AI Tools for Real Estate Agents in 2026 (Honest Comparison, Ranked)

Tested 12 AI tools real estate agents can use in 2026. Ranked by real usefulness for listing copy, buyer follow-up, Fair Housing compliance, and CRM work. Full comparison with prices, honest verdicts, and what each tool actually does.

Jul 8, 2026 · 9 min read · real estate

AI Wrappers Marketplaces in 2026: 8 Options Compared Honestly

AI wrappers marketplace 2026: 8 options compared on catalog size, pricing, self-hosting, and source code. aiwrapper.in, Replicate, HF Spaces, clskillshub.

Jul 6, 2026 · 10 min read · ai-wrappers

The Claude Skills Marketplace: 6 Options Compared, Including Ours

Claude skills marketplace 2026: 6 options compared honestly on skill count, verification, pricing, SKILL.md format. SkillsMP, Anthropic, clskillshub, more.

Jul 6, 2026 · 9 min read · claude-skills

How We Actually Test Claude Prompt Codes: The Full Methodology Behind the 47% Placebo Finding

The methodology behind our tested Claude prompt code library. We ran 160+ codes through a controlled harness across five task categories, scored blind on reasoning shift versus vocabulary shift, and reproducibility notes so you can replicate or push back. Includes the seven codes that survived, three concrete before-and-after prompt examples, and the honest limits of the approach.

Jul 5, 2026 · 15 min read · claude

The Claude Code Hook Pattern Nobody Documents: Pre-Commit + settings.json Inheritance

Claude Code hooks are one of the most powerful features in the CLI, and the way settings.json inherits across user, project, and local scopes is where teams end up with hook chaos. Full breakdown of the inheritance model, when hooks actually fire, and three battle-tested patterns to prevent hook explosion in team repos.

Jul 5, 2026 · 10 min read · claude code

MCP Servers Explained: What Model Context Protocol Actually Does

Plain-English guide to MCP (Model Context Protocol) servers for Claude. What they are, how they work, the 8 worth installing, and the common mistakes to avoid.

Jul 3, 2026 · 7 min read · mcp

Write AI Prompts Like Humans

Learn to craft AI prompts that sound natural, not robotic. Discover the secret to stacking prompt codes for engaging, human-like text.

Jul 1, 2026 · 3 min read · claude

Claude Brainstorming

Learn how to use Claude for effective brainstorming with a simple pattern

Jun 30, 2026 · 2 min read · claude

Claude Prompt Basics

Learn Claude prompt engineering for beginners with effective codes and techniques

Jun 27, 2026 · 2 min read · claude

Want the tested prompts, not the blog posts?

The Cheat Sheet has 120 tested Claude prompt codes with before-and-after data. The Skills Library has 2,300+ skills. Both lifetime updates.

Get the cheat sheet, $15Or the Skills Library, $25