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2 stacks matching

Coding agent

Sep 28, 2026

Replit Agent (model-directed harness)

Replit's production coding agent, whose core loop decides how hard to think, when to hand work off, and which subagent (and model) should do it

Custom Replit Agent harnessGPT-6 Astra (core loop in Max mode, and a production model)Fable 5

SaaS / agent platform

May 25, 2026

ODSEA's LangGraph + Next.js + Supabase production stack

A production platform that 'serves thousands of users' and 'processes AI agent workflows 24 hours a day', documented as a set of public architecture decision records

LangGraphNext.js 15DrizzleClaudeGPT