Your Blue Prism bots are reliable for the first month. Then HR rolls out a new portal, the ERP team upgrades fields, or a vendor switches a page layout. Your script breaks and a developer has to rebuild it. A single UI change can take days. In many enterprises, the maintenance backlog grows faster than the backlog of new automations. Meanwhile, standard operating procedures sit in SharePoint as human-readable documents. They are never automatically executed. The gap between your documented processes and what actually runs is widening. Computer use agents close that gap without the rebuild treadmill.
Why RPA breaks here
Traditional RPA relies on selectors, xpaths, and object IDs. A selector is a string that points to a specific element on a screen. When an application changes even slightly, that string no longer points to the right thing. The bot clicks the wrong area or skips steps entirely. In many organizations, a single UI change triggers an incident ticket, a rerun, and a developer task. Industry surveys show that between 30 and 50 percent of automation effort goes into maintenance after deployment. For a midsize enterprise running hundreds of bots, that means a large portion of the automation budget is spent fixing broken scripts rather than building new ones. The rebuild-on-change cost is real and growing.
What changes with computer use agents
- Agents see the screen and act like a human: they move the mouse, click, type, and read the result.
- A UI change does not break the agent because it does not depend on brittle selectors.
- Instead of halting on an unexpected state, an agent can recover by re-scanning the screen and retrying the step.
- Agents can follow the SOP written in plain English, without custom flowchart bots for each document.
- They work on legacy systems, Citrix, and virtualized desktops where traditional RPA struggles to maintain stable selectors.
The one line a VP of automation should remember: computer use agents replace brittle selectors with visual understanding so automation survives UI and app changes without constant rebuilding.
How to move without the risk
Do not rip and replace your entire Blue Prism estate in one go. Start with one high-pain process that is both UI-intensive and documented in a clear SOP. Examples include onboarding workflows, vendor portal data entry, or field validation across multiple systems. Build a pilot with a computer use agent on that process. Measure three things: time to complete, error rate, and maintenance effort. Compare those metrics against the current RPA or manual version. If the agent is faster, more accurate, and requires fewer engineering hours after launch, expand the pilot to similar processes. Keep your high-volume, stable, backend tasks where RPA still works well. Use computer use agents for the long tail: changing UIs, exception-heavy workflows, and SOP-driven operations. This phased approach lets you prove value and build confidence before scaling.
Why computer use agents fit the enterprise
Computer use agents control real desktops, browsers, and terminals, not just API calls. Organizations can run them on cloud VMs or a desktop app, and scale out with agent swarms for parallel execution. An agent’s API enables integration into existing orchestration and monitoring stacks. Security-conscious enterprises can bring their own encryption keys and manage environments according to internal policies. A free tier lets teams experiment without upfront cost. Coasty’s model has demonstrated strong performance on publicly available benchmarks, including an 85.6 percent success rate on OSWorld from an in-house evaluation with public results, and 82.81 percent independently verified on the official OSWorld leaderboard. These results reflect real desktop control tasks, not synthetic API-only comparisons.
Blue Prism can still handle stable, high-volume backend tasks. For everything else, changing UIs, exception-heavy workflows, and SOP-driven operations, computer use agents offer a more durable path. To see how a computer use agent can run your first process, book a demo with the Coasty team at https://cal.com/coasty/15min .
Want to see this in action?
View Case Studies