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Guide

Marcus Sterling6 min
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Your automation backlog is full of processes that should be automated but are stuck in a human loop because the bots break as soon as the app updates. A two-week update to a vendor portal can take weeks of developer time to fix. You are managing a maintenance treadmill instead of building value.

Why RPA breaks here

Traditional RPA stacks on UiPath, Automation Anywhere, Blue Prism, and Power Automate rely on selectors, xpaths, and object IDs. These bindings are brittle. When a vendor changes a class name, a hidden field becomes visible, or a layout shifts, the bot no longer recognizes its target. You must re-record, retest, and redeploy. Gartner estimates a typical enterprise with mature RPA spends 20 to 30 percent of its automation budget just on maintenance and rework, not on new processes. That is the cost of staying on RPA for work that changes frequently or sits on legacy interfaces.

What changes with computer use agents

  • Agents see the screen instead of relying on brittle selectors.
  • A change to a UI element or a new version of an app does not stop execution.
  • Agents recover from unexpected states or missteps rather than halting.
  • A standard operating procedure written in plain English can be followed directly.
  • Agents work across browsers, desktop apps, terminal sessions, Citrix, and virtualized desktops where RPA struggles.

A human in the loop is not a failure, it is the design intent: the agent follows your SOP, gets stuck, and asks for guidance, then resumes.

How to move without the risk

You do not need to rip out all RPA at once. Treat computer use agents as a complementary layer for the long tail of work that RPA cannot handle reliably. Start with one high-friction process that is SOP-heavy but changes often. Write the process in clear, step-by-step language, not in flowcharts. Run a pilot with a Coasty agent on a cloud VM or desktop app. Measure how many times the agent needs human intervention versus how often it completes the task autonomously. If the agent handles the majority of the steps and only asks for assistance on ambiguous or exceptional cases, expand to similar processes. Over time, you build a portfolio of SOP-driven work that is resilient to change and does not require constant rebuilding. RPA remains appropriate for high-volume, stable, backend tasks. Computer use agents are the durable answer for processes that live on changing UIs, legacy systems, and the human-written descriptions that define how work gets done.

The next step is to see how a computer use agent can follow your SOPs and recover from errors instead of breaking. Book a demo with the Coasty team and talk through one of your current human-in-the-loop processes. https://cal.com/coasty/15min

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