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Stagent: A state-machine tool to keep Claude Code on track for long tasks

By

Jie

18d ago· 2 min readenProduct

Summary

Stagent is a tool designed to solve the problem of Claude Code (and similar AI coding assistants) failing to complete long, multi-step tasks. It works by enforcing a state machine workflow where different agents handle discrete stages (plan, execute, verify, review, ship), preventing the AI from self-approving, bailing early, or silently drifting off course. Users can define custom workflows in plain English or fork existing ones from a cookbook. Features include a live viewer and cross-machine resume capability.

Key quotes

· 4 pulled
High confidence plus decaying recall is exactly the case where introspection fails, so we don't lean on it.
The design assumption is that drift is inevitable on long horizons, so the goal is to bound its blast radius rather than catch it mid-thought.
Work is a state machine of discrete stages (plan, execute, rev...)
It can't self-approve or bail halfway.
Snippet from the RSS feed
Claude Code is great at starting long tasks — bad at finishing. It self-approves, patches symptoms, fakes TDD, stops at "code written." Stagent drives Claude Code through any state machine you define (e.g. plan → verify → review → ship). Different agents

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