№ 02 / SUMMARIES

#prompt-engineering

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Tag · #prompt-engineering
DAY 01June 15, 2026 JUN 15 · 20261 SUMMARIES
Smashing MagazineAI & LLMs

Building Functional Personas with AI for User-Centric Decisions

Move beyond static, demographic-heavy personas by using AI to synthesize research into 'functional' personas focused on user goals, tasks, and objections, then making them interactive via custom chatbots.

Smashing Magazine
DAY 02June 11, 2026 JUN 11 · 20261 SUMMARIES
MarkTechPostAI & LLMs

Optimizing LLM Skills with Microsoft SkillOpt

Microsoft SkillOpt provides an automated pipeline to iteratively improve LLM prompt-based skills through a cycle of rollout, reflection, and validation, allowing developers to quantitatively measure performance gains against a baseline.

MarkTechPost
DAY 03June 10, 2026 JUN 10 · 20263 SUMMARIES
TechCrunch — AIAI & LLMs

How AI Memory Tools Introduce Bias and Degrade Accuracy

Research shows that AI memory systems often fail to distinguish between relevant context and irrelevant user preferences, causing models to become sycophantic and prioritize user-fed misconceptions over objective accuracy.

TechCrunch — AI
arXiv cs.AIAI & LLMs

Optimizing Long-Horizon AI Agents via Context Engineering

The paper demonstrates that reducing context noise in long-horizon LLM agents significantly improves performance and reliability, challenging the 'more context is better' paradigm.

MarkTechPostAI & LLMs

Anthropic's Mythos-Class Models: Fable 5 and Mythos 5 Explained

Anthropic has introduced the 'Mythos-class' model tier, featuring Claude Fable 5 (general release with safety classifiers) and Claude Mythos 5 (limited, unrestricted release). Both models offer 1M token context windows and advanced reasoning capabilities.

DAY 04June 9, 2026 JUN 9 · 20261 SUMMARIES
arXiv cs.AIAI & LLMs

Diagnosing Instruction Hierarchy Failures in Reasoning LLMs

Reasoning models often fail when instructions conflict or are poorly prioritized; this research identifies the structural causes of these hierarchy breakdowns and proposes methods to repair them.

arXiv cs.AI
DAY 05June 8, 2026 JUN 8 · 20261 SUMMARIES
MarkTechPostAI & LLMs

Automating Prompt Optimization with GEPA Reflective Evolution

GEPA automates prompt engineering by using a reflection model to iteratively refine prompts based on structured feedback from a deterministic evaluation pipeline.

MarkTechPost
DAY 06May 27, 2026 MAY 27 · 20261 SUMMARIES
AI EngineerAI & LLMs

AI Comprehension Over Generation: The 'Catch Me Up' Workflow

In complex, legacy codebases, the primary value of AI is not code generation but comprehension. By using structured prompts to build mental models before planning or implementation, developers can avoid 'slop' and maintain high code quality.

AI Engineer
DAY 07May 21, 2026 MAY 21 · 20262 SUMMARIES
MarkTechPostAI & LLMs

Qwen3.7-Max: Reasoning-First Agent Model with 1M Context

Alibaba's Qwen3.7-Max is a text-only reasoning model featuring a 1M-token context window and an 'extended-thinking' mode designed for complex, multi-step agentic workflows and code refactoring.

MarkTechPost
IBM TechnologyAI & LLMs

Long Context vs. Cache Augmented Generation (CAG)

Long context is best for one-off document analysis, while Cache Augmented Generation (CAG) and prompt caching optimize performance and cost for repeated queries against stable knowledge bases by reusing pre-computed KV caches.

DAY 08May 20, 2026 MAY 20 · 20262 SUMMARIES
AI EngineerAI & LLMs

Scaling Coding Agents: Lessons from Building Langfuse Skills

To make coding agents reliable, move away from static pre-training context toward dynamic, search-based documentation retrieval and rigorous evaluation, while carefully defining target functions to avoid optimizing away reliability.

AI Engineer
arXiv cs.AIAI & LLMs

Optimizing System Prompts via Embedding by Elicitation

The paper introduces 'Embedding by Elicitation,' a method that uses Bayesian Optimization to dynamically refine system prompts by learning latent representations, overcoming the limitations of static prompt engineering.

DAY 09May 18, 2026 MAY 18 · 20261 SUMMARIES
AI EngineerAI & LLMs

Building Long-Running AI Agents: Harnesses and Adversarial Loops

To build agents that run for hours without losing coherence, move beyond single-session loops. Use adversarial 'generator-critic' architectures, structured handoffs, and persistent state files to maintain focus and quality over long horizons.

AI Engineer
DAY 10May 15, 2026 MAY 15 · 20262 SUMMARIES
Level Up CodingAI Automation

Wider Harness: 6D Framework for Digital Workers

Evolve task agents into digital workers handling recurring functions using a 6D harness: Identity, Context, Capability, Conduct, Cognition, Governance—onboard like hires, not deploy like tasks.

Level Up Coding
MarkTechPostAI & LLMs

Poetiq Meta-System Auto-Builds Harnesses Boosting All LLMs on LCB Pro

Poetiq’s Meta-System uses recursive self-improvement to automatically generate model-agnostic inference harnesses, lifting every tested LLM's LiveCodeBench Pro score without fine-tuning—e.g., Gemini 3.1 Pro from 78.6% to 90.9%, GPT 5.5 High to 93.9%.

DAY 11May 13, 2026 MAY 13 · 20263 SUMMARIES
AI Engineer

Chess Coach Pipeline: Engines + Detectors + LLM Translator

LLMs fail at chess due to hallucinations; fix by using Stockfish for evaluation, tactical/positional detectors for concepts, and LLM only to translate into natural language—achieving sub-3s latency without errors.

AI Engineer
Level Up CodingAI & LLMs

Optimize Claude Limits: Plan, Remember, Pick Models Wisely

Claude limits stem from unnecessary token waste via vague prompts, retained context, repeats, wrong models/tools—fix by planning convos, adding memory, batching, and model selection to treat it as a work system.

OpenAI NewsAI Automation

Codex Prompts Automate Finance Reporting and Models

Finance teams cut assembly time on MBR narratives, model cleanups, CFO packs, variance bridges, and forecasts by feeding Codex existing spreadsheets, dashboards, and notes via copy-paste prompts that cite sources and flag risks—no coding required.

DAY 12May 12, 2026 MAY 12 · 20261 SUMMARIES
AI Engineer

Malleable Evals: Adaptive Testing for Changing AI Agents

Static benchmarks fail self-adapting agents; use production traces for agent-curated, always-on eval suites that self-optimize toward user intent.

AI Engineer
DAY 13May 11, 2026 MAY 11 · 20265 SUMMARIES
TechCrunch — AIAI News & Trends

GM Cuts 600 IT Jobs to Hire AI-Native Engineers

GM laid off 600 IT workers (10% of department) to recruit specialists in agent/model development, prompt engineering, data pipelines—showing enterprises must rebuild teams for production AI, not just add tools.

TechCrunch — AI
Google Cloud TechDesign & Frontend

Stitch: Google's Free AI for Stunning UIs, No Design Needed

Google Labs' Stitch generates responsive, production-ready UIs from natural language prompts, exports HTML/Tailwind CSS, and integrates with agents like Gemini CLI—perfect for backend devs prototyping fast.

Level Up Coding

Harness Engineering: Stack Rules, Skills & Agents for Reliable AI Dev

Harness Engineering builds reliable AI code generation by stacking Rules (guidelines), Skills (SOPs), Sub-Agents (roles), Workflows (handoffs), Scripts (gates), and MCP (external tools) into a verifiable system, demonstrated in a minimal Go CLI project.

Level Up CodingAI & LLMs

HTML Replaces Markdown for Interactive AI Outputs

Prompt AI agents for single-file HTML instead of long Markdown reports to create navigable, editable, interactive artifacts that humans can actually use, review, share, and act on.

UI CollectiveDesign & Frontend

Mobbin MCP Links 600k UI Screens to Claude/Codex for Pro Designs

Connect Mobbin's 600k app screens to Claude Code or Codex via MCP to generate realistic banking dashboards, competitive reports from 25+ apps, and client-ready mood boards in 5-10 minutes instead of 4 hours.

DAY 14May 10, 2026 MAY 10 · 20261 SUMMARIES
IBM Technology

Agentic Consent: Dynamic Permissions for Safe AI Agents

Agentic consent uses identity governance, granular time-bound permissions, and just-in-time prompts to ensure AI agents act responsibly in changing environments, acting with humans rather than instead of them.

IBM Technology
DAY 15May 9, 2026 MAY 9 · 20265 SUMMARIES
DIY Smart Code

HTML Beats Markdown for AI Specs at 2-4x Token Cost

Switch specs, plans, PRs from Markdown to HTML for tables, SVG diagrams, JS interactions—8x richer density. Claude Opus 4.7's 1M context absorbs 2-4x tokens; outputs boost readability so humans stay in the loop.

DIY Smart Code
Dylan Davis

4-Step Audit Catches AI's 'Almost Right' Errors

For high-stakes AI outputs (financial/legal), finish your artifact, then in fresh chats: split into factual claims, validate against source with 4 labels (supported/conflicts/no proof/needs human), and rewrite fixes subtle lies that sound plausible.

Simon Willison's Weblog

HTML Beats Markdown for LLM Outputs

Request HTML from LLMs like Claude instead of Markdown to generate interactive SVGs, widgets, and navigable explanations—token limits no longer justify Markdown's efficiency.

AI News & Strategy Daily | Nate B Jones

AI Agents Need Scaffolding: Prompts to Plugins Guide

Most waste 40% of AI time on prompts for repeatable tasks. Build agent 'mech suits' with skills for house style, plugins for full workflows, MCPs for data access, and hooks/scripts for reliability—reusable across teams and LLMs.

Towards AI

7 Skills to Engineer Production AI Agents

Shift from prompt engineering to agent engineering: master system design, tool contracts, RAG, reliability, security, observability, and product thinking to build agents that act reliably in the real world.

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