Async Coding Agents "From Scratch"kept by eddie • dec 23, 25A developer demonstrates how to build a custom async coding agent by combining Slack, Modal, GitHub, and Claude Code/Codex headless mode, arguing this makes cloud coding agents like Devin undifferentiated.AboutCognition · CCViewer · Claude Code · Codex · Devin · ModalFiled#ai-coding#cloud-computing#developer-tools#open-source#software-engineeringRelatedInside the grind: The SF startup racing to build an AI software engineerCognition CEO Scott Wu argues AI coding agents like Devin will expand software creation rather than eliminate engineering jobs despite industry layoffs and competition.also on Cognition, Devin, Codex, Claude Code, #ai-coding, #developer-toolsIntroducing FrontierCodeCognition's FrontierCode benchmark measures code mergeability, finding even top models like Claude Opus 4.8 score only 13.4% on its hardest 50 tasks.also on Cognition, Devin, #open-source, #ai-coding, #software-engineering, #developer-toolsHow I use AI in 2026 (Coding, Writing, Learning, Assistant-ing)The author details his 2026 AI workflow for coding, writing, learning, and personal assistance, emphasizing shift‑left prompting, dynamic agent use, and evaluating model capabilities.also on Modal, Codex, Claude Code, #ai-coding, #developer-toolsRun cloud agents on machines you manageCursor now lets teams run its AI coding agents on self‑hosted machine pools they manage, keeping agent logic in the cloud while execution occurs on their own infrastructure.also on Modal, #cloud-computing, #ai-coding, #developer-toolsState of Memory in Agent Harness (via @mem0ai)Agent harnesses like Cursor, Devin, Claude Code, and Codex are increasingly handling context, tool orchestration, and memory management for AI applications.also on Devin, Codex, Claude Code, #ai-coding, #developer-tools