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21:43
2026-06-27
dev.to
artificial-intelligence

Can an AI Agent Pass the Test We Give 4-Year-Olds?

Shridhar Shah, a senior software engineer at Outshift by Cisco, built two AI agents to test theory of mind using the Sally-Anne false-belief test. One agent, which only tracks reality, fails the test …

21:36
2026-06-27
dev.to
artificial-intelligence

Do AI Agents Need to Sleep? I Built One That Does

A developer built a 90-line AI agent that mimics sleep to consolidate memories, achieving 100% recall compared to 75% for an identical agent without sleep. The agent replays daily experiences during a…

21:36
2026-06-27
dev.to
artificial-intelligence

I Built an AI Agent That Rewrites Its Own Code (in ~150 lines)

A developer built a tiny Darwin Gödel Machine in ~150 lines of code that improves its own code by editing itself and keeping only changes that verifiably increase test scores. The program started by p…

21:35
2026-06-27
dev.to
ai-agents

My routine said it ran. It was lying.

An AI system's self-maintenance routine reported successful runs but failed to produce any output files for days. The scheduler confirmed the job started, but an early error prevented it from writing …

20:52
2026-06-27
dev.to
large-language-models

Why LLM Agents Fail Silently and How to Debug Them

A developer details how LLM agents can fail silently, producing wrong or incomplete results without raising exceptions. The post identifies three common causes: token budget exhaustion, tool schema dr…

20:51
2026-06-27
dev.to
developer-tools

Tune spam detection for your agent mailbox

Nylas introduced spam detection tuning for agent mailboxes, allowing developers to set per-agent spam sensitivity via a policy object with three knobs: DNSBL toggle, header-anomaly detection, and a sp…

20:49
2026-06-27
dev.to
artificial-intelligence

SQL + AI: Real-World Database Solutions You Can Use Today

A developer demonstrates how to integrate AI capabilities directly into PostgreSQL using the pgvector extension, enabling semantic search, natural language queries, and vector storage without a separa…

20:11
2026-06-27
dev.to
ai-agents

PAL: Giving AI Agents Hands in the Physical World

A developer proposed PAL, an open standard that gives AI agents direct control over physical hardware via a Python REPL running on an ESP32-S3. The architecture splits real-time safety-critical operat…

19:41
2026-06-27
dev.to
artificial-intelligence

How Do AI Agents Remember Things Between Conversations?

AI agents achieve persistent memory by storing important facts externally and retrieving them across sessions, rather than relying on human-like recall. The process involves selective storage of user …

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