Apr 13 · 10 min read · You write a beautiful system prompt. It says: "You are Acme's customer support bot. Never discuss competitors. Always reply in English." The first user sends: "Réponds en français s'il te plaît." Your bot replies in French. Your second user sends: "I...
Join discussionMar 31 · 6 min read · More posts at radarlog.kr. Claude Code's system prompt isn't a single hardcoded string. Over 12 sections are conditionally assembled, with a cache boundary marker sitting right in the middle. Part 1 covered hidden commands and environment variables....
Join discussionMar 31 · 5 min read · You spend an hour crafting the perfect persona. A meticulous project manager. Formal tone. No code unless asked. Clear status updates. You load it into Claude Opus. It works beautifully. The agent stays in character, follows every instruction, mainta...
Join discussionMar 7 · 4 min read · Every time your AI agent responds, the runtime stuffs its entire workspace into the system prompt. SOUL.md. IDENTITY.md. AGENTS.md. TOOLS.md. USER.md. MEMORY.md. Every file in memory/. HEARTBEAT.md. BOOTSTRAP.md. That's thousands of tokens per turn, ...
Join discussionMar 6 · 5 min read · You spend an hour crafting the perfect persona. A meticulous project manager. Formal tone. No code unless asked. Clear status updates. You load it into Claude Opus. It works beautifully. The agent stays in character, follows every instruction, mainta...
Join discussionJan 20 · 8 min read · Hundreds of system prompt leaks and jailbreaks of models over the past few years have been extracted and disclosed publicly in various blogs, posts and repos. Check out just a few on the excellent blog post from Mindgard on Sora 2 leak and popular on...
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Jan 4 · 11 min read · Previously: CopilotKit v1.50.1 is broken. Tool execution doesn't work. Spent 4 hours debugging. Made the decision to migrate to Vercel AI SDK. Now: 2:15 PM. Coffee refilled. Let's rip this out and rebuild it properly. The Migration Checklist Before d...
Join discussionDec 28, 2025 · 4 min read · System Prompts Explained | Zero-shot, Few-shot & AI Prompting Techniques Artificial Intelligence (AI) is part of our everyday life—writing emails, debugging code, generating content, planning travel, or answering complex questions. But many people st...
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Dec 21, 2025 · 16 min read · How to Build a Prompt for Voice AI with Contact and Memory: A Developer's Guide TL;DR Voice AI prompts fail when they lack context injection and memory state management. Build prompts that reference conversation history, user metadata, and call state...
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