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Agentic Coding

Top tech stories today across software, hardware, AI, and product launches. Senior engineer audience — skip rumour churn and pre-announcement leaks. Lead with shipping-now stories and what changed for builders.

By Marius BongartsTech38 editions
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Generated by AI overnight from public sources, refreshed daily.
Agentic Coding
Thursday, June 25, 2026
AI Agents - Agentic Coding

Security-first skills, modular learning paths, and GLM 5.2's cost play

1 min read

Security-Hardened Skills

Your agent skills now come with threat detection built in.

Building on the skill packs from yesterday, a new comprehensive guide tracks 28 CVEs and 655 malicious skill patterns with vetting workflows for MCP servers [Source: GitHub]. The repository includes 181 production templates—code-reviewer, security-auditor, refactoring-specialist—each with explanatory comments showing when to invoke them. You also get decision frameworks for choosing between agents, skills, and commands based on task complexity.

If you're deploying to production, the threat database alone is worth the clone.

Modular Learning Path

There's now a structured curriculum for mastering Claude Code's moving parts.

A visual guide breaks the tool into 10 modules—slash commands, memory systems, subagents, MCP protocol, hooks, and checkpoints—with Mermaid diagrams explaining how each feature works internally [Source: GitHub]. You can get immediate value in 15 minutes by copying a slash command template, or commit to the full 11-13 hour path with self-assessment quizzes. All configs stay versioned and sync to Claude Code releases.

Useful if you've been learning features piecemeal and want to fill the gaps.

GLM 5.2 Cost Play

One founder ran six million tokens through GLM 5.2 for $3.36.

The open-weight model from Z.AI handled a codebase architecture audit, UI redesign matching an existing design system, and a 45-minute autonomous bug-hunting session pulling Sentry and Vercel logs [Source: Spotify]. Setup works through OpenRouter in both Cursor and Claude Code. It stumbled on some edge cases, but the cost-to-output ratio makes it interesting for exploratory tasks you'd hesitate to burn Opus credits on.

Worth testing on your next architecture sweep.

Spec-First Workflow

Writing the spec before the first prompt keeps paying dividends.

A recent guide emphasizes treating prompts as structured work orders with scope and verification criteria rather than casual messages [Source: Coursiv]. Keep your CLAUDE.md concise so important rules don't drown, always verify outputs with tests or screenshots before shipping, and plan two to three iterations per feature. For complex tasks, Claude Opus 4.7 at high or xhigh effort levels handles multi-step reasoning better than defaulting to speed.

If you're still prompting off the cuff, tightening scope could cut your iteration count in half.

Sources
FlorianBruniaux/claude-code-ultimate-guide - GitHub
FlorianBruniaux/claude-code-ultimate-guide - GitHub
11 hours ago ... The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.
github.com
AI Summary

This comprehensive GitHub repository on Claude Code agentic workflows directly addresses your interests in advanced AI coding techniques, PRD-driven development, and best practices for solo entrepreneurs. The guide covers efficient agent architecture with 48 visual diagrams explaining context flow, tool orchestration, and multi-agent patterns. For PRD and documentation best practices, it includes detailed sections on methodologies (TDD, SDD, BDD), CLAUDE.md configuration, and decision frameworks for when to use agents versus skills versus commands. The repository provides 181 production templates including custom agents, skills, and hooks with explanatory comments—examples like code-reviewer, security-auditor, and refactoring-specialist agents demonstrate advanced "vibe coding" patterns. You'll find practical workflows for specification-driven development, step-by-step guides for context management and memory hierarchy, and production hardening approaches. The 271-question knowledge validation quiz tests understanding across setup, agents, MCP servers, and advanced patterns. For security and compliance in SaaS applications, the guide uniquely tracks 28 CVEs and 655 malicious skill patterns with MCP vetting workflows and threat databases—critical for production deployment.

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GitHub - luongnv89/claude-howto: A visual, example-driven guide to ...
GitHub - luongnv89/claude-howto: A visual, example-driven guide to ...
15 hours ago ... A visual, example-driven guide to Claude Code — from basic concepts to advanced agents, with copy-paste templates that bring immediate value.
github.com
AI Summary

This guide provides a comprehensive structured learning path for mastering Claude Code's advanced features. It covers 10 modules progressing from beginner to advanced, including slash commands, memory systems, skills, subagents, MCP protocol integration, hooks, plugins, checkpoints, and advanced features like planning mode. The guide includes production-ready templates for workflows like automated code reviews (combining slash commands, subagents, memory, and MCP), copy-paste configurations organized by feature, and Mermaid diagrams explaining how features work internally. It emphasizes combining multiple features into automated pipelines—for example, using memory with CLAUDE.md files for team standards, delegating tasks to specialized subagents, configuring hooks for event-driven automation, and integrating external tools via MCP. The learning path takes 11-13 hours total with self-assessment quizzes to identify knowledge gaps, immediate value available in 15 minutes by copying a slash command template, and all configurations versioned on GitHub with active maintenance synced to Claude Code releases (currently v2.1.160).

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Claude for Vibe Coding in 2026: Models, Tools, Plugins & Workflow
14 hours ago ... Browse with /plugin inside Claude Code. Some worth trying are Sequential Thinking, Memory Bank, and Context7. Workflow Setup for Beginners and Advanced Users ...
coursiv.io
AI Summary

This article directly addresses all three of your search intents. Vibe coding is the practice of describing software intent in plain English while Claude writes, runs, and debugs the code autonomously—you own the output and can deploy anywhere. Key advanced techniques include writing specifications first in plain English before implementation (spec-driven development), using CLAUDE.md files to encode tech stack and conventions, treating prompts as structured work orders with scope and verification criteria rather than casual messages, and leveraging effort levels with Claude Opus 4.7 at "high" or "xhigh" for complex tasks. Claude Code is the core agentic tool, operating in the terminal with full codebase access via a 1M token context window, autonomous execution of tests and Git workflows, and checkpoints for rollback. For best practices: keep CLAUDE.md concise to avoid drowning important rules, always verify outputs with tests or screenshots before shipping, plan two to three iterations per feature, use test-driven development by writing failing tests first, and avoid over-exploration by scoping tasks tightly. Practical workflows include installing Claude Code (npm install -g @anthropic-ai/claude-code), starting with GitHub's Spec Kit for specification tooling, and deploying via Vercel or Netlify. As of May 2026, Claude Opus 4.7 scores 87.6% on SWE-bench Verified; Sonnet 4.6 is the recommended daily driver at lower cost, with Haiku 4.5 for high-volume routine work.

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GLM 5.2: why I'm replacing Opus in Claude Code with this new model
GLM 5.2: why I'm replacing Opus in Claude Code with this new model
18 hours ago ... Expect 30-minute episodes, live screen sharing, and tips/tricks/workflows you can copy immediately. If you want to demystify AI and learn the skills you need to ...
creators.spotify.com
AI Summary

The user is interested in advanced Claude Code workflows, agentic coding PRD documentation best practices, and vibe coding tutorials for AI pair programming. The website content includes multiple podcast episodes about AI coding, Claude Code usage, and development workflows. Here's what's relevant to their interests: Several episodes directly address their interests: episodes on Claude Code advanced techniques, AI agent workflows, agentic coding patterns, PRD documentation approaches, and vibe coding methodologies. Episodes featuring Brian from Notion on prototype playgrounds and code-based prototyping, Intercom's engineering velocity with Claude Code, Stripe's AI coding agents, and various advanced Claude Code tutorials are highly relevant. The content covers practical workflows for efficient AI-assisted development, custom agent architectures (like agent loops and goal-based patterns), design system integration with code, and best practices for high-quality AI-generated code. The content is in English. Advanced Claude Code techniques are featured prominently, including context loading with mermaid diagrams, custom hooks for automated code quality checks, and command-line tool optimization. Multiple episodes demonstrate PRD-driven development workflows, agent loop design patterns (heartbeat, cron, hook, and goal loops), and practical vibe coding approaches. Brian Lovin's episode on Notion's prototype playground shows how code-based prototyping transforms design workflows. Stripe's minions episode demonstrates agent architectures at scale with 1,300 PRs weekly. The Intercom episode reveals how to structure custom skills and use telemetry to measure AI adoption. Episodes cover everything from setting up efficient development environments to multi-agent orchestration patterns, with emphasis on practical implementation over theory.

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