№ 02 / SUMMARIES

AI Engineer

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Source · AI Engineer
DAY 01Yesterday MAY 12 · 20263 SUMMARIES
AI Engineer

Build Stateful Agents with File Systems & AI SDK v6

Give agents persistent sandboxes, bash tools, and memory files via AI SDK v6 to make them follow long tasks, build on prior work, and generate reusable Python scripts without manual context management.

AI Engineer
AI EngineerAI & LLMs

RL Industrializes GenAI Production via Feedback Loops

95% of GenAI pilots fail production because instruction tuning and prompts can't systematically integrate defects and metrics. RL does, enabling smaller/cheaper/faster models that scale to millions in token costs at Fortune 500s like AT&T.

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.

DAY 02Monday MAY 11 · 20263 SUMMARIES
AI EngineerAI Automation

Embed Pi Coding Agents via CLI Tools in Products

Pi's minimal TypeScript SDK powers LLM agents that loop tools; expose CRM/ERP data as secure CLIs for natural agent use, as in a B2B sales pipeline routing RFP emails to per-customer sessions that output inbox drafts.

AI Engineer
AI EngineerAI Automation

Scaling AI Agents to Slack Company Coworkers

Viktor turns personal AI agents into company employees by living in Slack, inheriting one-time integrations for 3,000 tools, isolating memory across channels/DMs, and handling Slack's complex inputs like threads, edits, and drifts—while preserving model personality for user trust.

AI Engineer

MLX: Frontier AI Fully On-Device on Apple Silicon

MLX runs real-time vision, <100ms TTS, omni models, 426B LLMs, and text-to-video on 16GB Mac VRAM—no cloud. Turbo Quant cuts KV cache 4x for 1M contexts, enabling accessibility and robots in low-connectivity areas.

DAY 03Sunday MAY 10 · 20263 SUMMARIES
AI EngineerAI Automation

Replay Logs Fail Agents: Use VM Snapshots Instead

Replay durability constrains agent code with growing logs; split into context logs (DB durable) and execution snapshots (14MB Firecracker VMs, <1s save/100ms restore) for multi-day sessions.

AI Engineer
AI Engineer

Fix Agent Context with Head/Tail + Memory, Not Summaries

Truncation breaks reasoning by forgetting history; summarization lacks control. Head/tail truncation preserves key context (first/last 100 chars), stores middle in retrievable memory, and offloads heavy tasks to sub-agents for reliable performance.

AI EngineerDeveloper Productivity

Close Playground-to-Production Gap with Feedback Loops

One-shot AI features fail in production due to costs, unreliability, and user diversity—build custom tracing UIs and web previews for Electron apps to enable rapid iteration across teams.

DAY 04Saturday MAY 9 · 20263 SUMMARIES
AI Engineer

TTS Converges on LLM-Style Autoregressive Audio Token Generation

TTS models now use autoregressive transformers to generate compressed audio frames sequentially, solving high bitrate (200kbps) via neural codecs for streaming latency under 17ms in voice agents.

AI Engineer
AI Engineer

Voice AI's 'Her' Moment Blocked by Latency, Duplex, and Cost

Cascaded voice systems hit 500ms-4s tool delays vs. human 200ms; half-duplex kills backchanneling; full-duplex like Moshi flows naturally but lacks agent intelligence, paralinguistics, and cheap scaling.

AI EngineerAI & LLMs

Wrap Existing Chat Agents in Voice with ElevenLabs Engine

ElevenLabs' Voice Engine adds voice to any built chat agent via a simple SDK wrapper, handling STT (Scribe), TTS (V3), emotion-aware turn-taking, and interruptions without rebuilding your RAG, tools, or evals.

DAY 05Friday MAY 8 · 20261 SUMMARIES
AI EngineerAI & LLMs

Agentic Search Powers 80% of LLM Context Engineering

Context engineering relies on agentic search tools to pull relevant data from files, DBs, web, and memory. Master tool descriptions, skills, and shell tools to avoid brittle retrieval—demoed with ElasticSearch and LangChain.

AI Engineer
DAY 06Thursday MAY 7 · 20263 SUMMARIES
AI Engineer

Optimize Live Agents: GEPA Prompts + Managed Vars

Tune production agents without redeploys using Logfire's managed variables for prompts/models and GEPA's genetic algorithm to evolve better prompts from evals on golden datasets.

AI Engineer
AI Engineer

Clone Lib Repos to Make Agents Master Effect Patterns

To get coding agents using Effect reliably, clone its repo as a git subtree into your project. Agents treat it as your codebase, extracting patterns directly from source code instead of vague prompts or docs.

AI Engineer

Agent Observability: Signals and Self-Diagnostics

Shift from evals to production monitoring using explicit signals (errors, latency), implicit signals (frustration, refusals via classifiers/regex), experiments, and agent self-diagnostics to catch issues early in complex, non-deterministic agents.

DAY 07May 6, 2026 MAY 6 · 20263 SUMMARIES
AI Engineer

Build AI Skills for Repeatable Agent Tasks

Skills are portable markdown folders with frontmatter, constraints, and scripts that teach LLMs specific, reliable workflows—codifying DRY principles for agents across repos and teams.

AI Engineer
AI Engineer

Missions: Three-Role Agents Ship Code for Days

Combine orchestrator (plans with validation contracts), serial workers (implement features), and adversarial validators (verify end-to-end) into missions that autonomously execute software projects for up to 16 days without human attention.

AI EngineerAI & LLMs

MCP Apps: Interactive Branded UI in AI Chats

MCP Apps let tools return interactive HTML UI chunks over MCP instead of text, enabling branded experiences in ChatGPT, Claude, VS Code; interactions route through hosts to stay in context.

DAY 08May 5, 2026 MAY 5 · 20263 SUMMARIES
AI EngineerAI Automation

SIE: Dynamic Inference for Small Models on Shared GPUs

Open-source SIE engine from Superlinked enables hot-swapping small embedding models (e.g., Stella, ColBERT) on one GPU via LRU eviction, cutting costs and solving context rot in agents by preprocessing data.

AI Engineer
AI EngineerAI & LLMs

Run Gemma 4 Agents On-Device with LiteRT Stack

Gemma 4's 2B/4B edge models enable on-device agents with tool calling, JSON output, and reasoning via LiteRT, delivering low latency, privacy, and cross-platform support on Android/iOS/desktop/IoT.

AI EngineerAI & LLMs

Build Knowledge Bases from Agent Failures

Assign real enterprise problems to AI agents; their failures reveal exact knowledge gaps. Fill them iteratively to create a demand-driven context base that makes agents semi-autonomous—far better than dumping uncurated RAG data.

DAY 09May 4, 2026 MAY 4 · 20263 SUMMARIES
AI EngineerAI & LLMs

Train GPT-2 LLM from Scratch on Laptop

Hands-on workshop: Build tokenizer, causal transformer, training loop in PyTorch to train tiny GPT-2 on Shakespeare locally (16GB RAM) or Colab – reveals core engineering without cloud.

AI Engineer
AI Engineer

Eval-Driven Skills: Boost Agent Performance on Supabase

Use eval-driven development to craft agent skills: define metrics first, structure with progressive disclosure in skill.md, test via Braintrust evals on Supabase workflows, iterate to fix failure modes like unused skills or bad instructions.

AI EngineerAI Automation

Ralph Loops: Repeat Tasks Till AI Ships Perfect Code

Dumb Ralph loops—repeating 'implement ticket' prompts until AI self-corrects—outperform complex agent orchestration, enabling reliable shipping with minimal debugging.

DAY 10May 3, 2026 MAY 3 · 20263 SUMMARIES
AI EngineerAI & LLMs

Tiny LLMs and On-Device Agents via LiteRT-LM on Edge Hardware

LiteRT-LM runs Gemma 2B/4B models at 1000+ tokens/sec on phones and delivers agent skills with function calling, while tiny 100-500M param models excel in fine-tuned in-app tasks like voice-to-action at 85-90% reliability.

AI Engineer
AI EngineerAI & LLMs

Context Engines: Fix Agent Context to Cut Tokens 50%

Agents fail without org-specific context; build a reasoning layer that personalizes retrieval, resolves conflicts, and respects permissions to deliver task-focused info, reducing task time from 2.5hrs/21M tokens to 25min/10M.

AI Engineer

Engineer AI Context Like Code: Full Lifecycle

Treat AI agent context as code with a Context Development Lifecycle—Generate, Evaluate, Distribute, Observe—to create reliable, scalable prompts that drive better agent outputs via testing, sharing, and feedback loops.

DAY 11May 2, 2026 MAY 2 · 20262 SUMMARIES
AI EngineerAI Automation

Build Observable Gmail Agents in n8n with Human Controls

Create secure AI workflows in n8n that manage Gmail/Calendar via chat, with built-in observability, granular tool permissions, and human approvals to avoid black-box agents.

AI Engineer
AI EngineerAI Automation

Incremental Permissions Unlock Powerful Personal AI Agent

Grant AI agent access one permission at a time—from chat to emails, notes, and OS—to enable ambient overnight ops, attention filtering, task execution, and self-maintenance without breaking your setup.

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