https://www.promptcuelab.com/blog/index.html A curated library and refiner for every AI tool. Guides on prompting, model selection, and AI cost. https://www.promptcuelab.com/blog/system-prompt-vs-user-prompt-when-to-use-each.html https://www.promptcuelab.com/blog/system-prompt-vs-user-prompt-when-to-use-each.html Fri, 02 Oct 2026 00:00:00 GMT Learn when to put instructions in the system prompt vs the user prompt, and why the split changes how reliably AI models follow your intent. https://www.promptcuelab.com/blog/negative-prompting-tell-the-model-what-not-to-do.html https://www.promptcuelab.com/blog/negative-prompting-tell-the-model-what-not-to-do.html Thu, 10 Sep 2026 00:00:00 GMT Negative prompting cuts unwanted output before it appears. Learn how to use exclusion instructions to get cleaner, more precise AI responses every time. https://www.promptcuelab.com/blog/constraint-prompting-narrow-to-improve-output.html https://www.promptcuelab.com/blog/constraint-prompting-narrow-to-improve-output.html Sun, 30 Aug 2026 00:00:00 GMT Constraint prompting teaches you to add deliberate limits to AI prompts so models produce tighter, more usable output every time. https://www.promptcuelab.com/blog/output-format-instructions-that-actually-work.html https://www.promptcuelab.com/blog/output-format-instructions-that-actually-work.html Wed, 19 Aug 2026 00:00:00 GMT Learn how to write output format instructions that get exactly the structure you need from any AI model, every time. Practical templates inside. https://www.promptcuelab.com/blog/role-prompting-personas-that-actually-work.html https://www.promptcuelab.com/blog/role-prompting-personas-that-actually-work.html Sat, 08 Aug 2026 00:00:00 GMT Role prompting shapes model output more than any single instruction. Learn which persona patterns reliably work and which ones backfire. https://www.promptcuelab.com/blog/few-shot-examples-in-prompts.html https://www.promptcuelab.com/blog/few-shot-examples-in-prompts.html Tue, 28 Jul 2026 00:00:00 GMT Learn how few-shot examples in prompts train AI models to match your exact style, format, and tone — without fine-tuning or extra tools. https://www.promptcuelab.com/blog/promptcuelab-mcp-prompt-library-in-claude.html https://www.promptcuelab.com/blog/promptcuelab-mcp-prompt-library-in-claude.html Fri, 17 Jul 2026 00:00:00 GMT PromptCueLab is now an MCP server. Search a curated prompt library, compare AI models with live pricing, and refine prompts right inside Claude or any AI agent. https://www.promptcuelab.com/blog/choosing-ai-model-by-task.html https://www.promptcuelab.com/blog/choosing-ai-model-by-task.html Sat, 04 Jul 2026 00:00:00 GMT A practical framework for picking the best AI model by task type and budget — with a side-by-side comparison of when to use GPT-5, Claude, Gemini, and DeepSeek. https://www.promptcuelab.com/blog/anatomy-of-a-great-prompt.html https://www.promptcuelab.com/blog/anatomy-of-a-great-prompt.html Fri, 03 Jul 2026 00:00:00 GMT The seven parts every reliable prompt shares — role, context, task, format, constraints, examples, and evaluation — with a copy-ready skeleton. https://www.promptcuelab.com/blog/prompt-chaining-vs-one-shot.html https://www.promptcuelab.com/blog/prompt-chaining-vs-one-shot.html Thu, 02 Jul 2026 00:00:00 GMT Breaking a task into a chain of prompts is often better than one giant prompt — but not always. A simple rule for deciding which to reach for. https://www.promptcuelab.com/blog/vague-prompts-refiner-checklist.html https://www.promptcuelab.com/blog/vague-prompts-refiner-checklist.html Wed, 01 Jul 2026 00:00:00 GMT Ten fast checks that turn a vague prompt into a specific one — run through them before you hit send and watch the output sharpen. https://www.promptcuelab.com/blog/temperature-top-p-tuning.html https://www.promptcuelab.com/blog/temperature-top-p-tuning.html Tue, 30 Jun 2026 00:00:00 GMT What temperature and top-p actually do, when to raise or lower them, and the sane defaults for drafting, coding, and factual work. https://www.promptcuelab.com/blog/prompt-smells-costing-tokens.html https://www.promptcuelab.com/blog/prompt-smells-costing-tokens.html Mon, 29 Jun 2026 00:00:00 GMT Five common prompt habits that inflate your token bill without improving output — and the cheaper rewrite for each.