Good question. Sim has retries and error paths built into each block, so you can set retry counts and route failures to a fallback branch. For the agent blocks, I also keep prompts strict on output format so downstream parsing doesn't break. Haven't needed heavy fallback
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AI-Generated Workflow Structures and Intelligent Branching Logic
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Yeah, Mothership generated the structure from a prompt. For branching, it picks the right block (router for classification, condition for if/else, parallel for fan-out) and wires them up. I usually tweak the routes and prompts after, but the skeleton holds up surprisingly well.
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Dual Memory Architecture: Short-term Manager and Long-term Supabase Retrieval
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Hey, there are two memory layers running in parallel. Short-term lives on the manager agent (keyed to the user). Long-term embeds each turn into Supabase and pulls relevant past context back before the model sees the new message. State lives outside the model, so swapping
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Dev Channel Upgraded: Significant Improvements Released
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Uh switch to dev channel, we made it so much better.
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9 Steps to Build Functional AI Agents from Scratch
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How to build AI agents from scratch (9 steps): 1. Purpose & scope 2. I/O schemas 3. System instructions 4. Reasoning + tools 5. Multi-agent orchestration 6. Memory & context 7. Multimodal 8. Structured outputs 9. UI / API Ship agents that do work, not just talk.
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Deep Agents: Optimizing Performance Across Model Families
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great deep dive into how we get deepagents to work well with different families of models
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Replit Agent Monitors Production Apps, Fixes Issues Automatically
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Building apps is easy- keeping them running isn’t
— Replit ⠕ (@Replit) 29 avril 2026
Introducing Replit Application Monitoring
Replit Agent now watches your app in production, investigates issues, and helps fix them- so you don’t have to pic.twitter.com/NP8blat8awBuilding apps is easy- keeping them running isn’t Introducing Replit Application Monitoring Replit Agent now watches your app in production, investigates issues, and helps fix them- so you don’t have to
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Replit Agent Diagnoses App Issues Automatically
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When users report issues with your app, simply paste their message into Replit and Agent will diagnose the problem and recommend solution.
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Build with GPT-5.5 and Image Gen for DevDay tickets
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Want to secure an early ticket to OpenAI DevDay? Build something with GPT-5.5 and Image Gen. Each week, we’ll select 2–3 favorites to win free tickets to OpenAI DevDay 2026. Codex will help us find the best submissions and our team will select the winners. Reply with