Migration

A Blue Prism to AI Agent Migration Guide for the Enterprise

Alex Thompson||7 min
Del

Your Blue Prism bots are running, but notice the pattern: every time the finance portal or HR portal updates, a developer has to rebuild the selectors. You have a queue of fixes. You have processes that still require a human in the loop because the bot can’t handle the edge cases. That is the cost of staying on traditional RPA.

Why RPA breaks here

Most enterprise RPA tools, UiPath, Automation Anywhere, Blue Prism, Power Automate, rely on stable selectors, xpaths, or object IDs. When a screen layout changes, the bot fails and a developer must rebuild the workflow. Industry data shows that large organizations spend 30 to 50 percent of their automation budget just on maintenance. You are not just building bots; you are building a rebuild queue. These brittle bots cannot recover from unexpected states. If a popup appears, a field is disabled, or a user makes an ad-hoc selection, the bot halts and sends an alert. That alerts pile up, feeding the backlog. Meanwhile, your standard operating procedures are written in plain English, describing the steps a human takes. The gap between what you document and what your bots can do grows every time the UI changes.

What changes with computer use agents

  • Computer use agents SEE the screen and act like a human: they move the mouse, click, type, and read the result. When the UI changes, they adapt rather than break.
  • No brittle selectors or xpaths. The agent works with whatever is visible, making it ideal for legacy apps, Citrix environments, and virtualized desktops where traditional RPA struggles.
  • Instead of halting on exceptions, agents recover from unexpected states. If a popup appears or a field is disabled, they can recognize the situation and follow the SOP to resolve it.
  • Agents follow the SOP as written. The same document that a human would follow can be fed directly to the agent, removing the need to build separate flowchart bots.
  • Agents run on real desktops, browsers, and terminals, not just API wrappers. They can handle multi-step processes that span multiple applications and require user input.

Traditional RPA: bind to a specific UI element and rebuild when it changes. Computer use agents: see the screen, adapt, and follow your SOP.

How to move without the risk

A full RPA replacement is a long-term goal, not a single project. Start with one high-pain process that fits these criteria: - The UI changes frequently - The process involves many edge cases - The steps are well-documented in plain English - The process is too manual for humans to scale Pick that process and run a pilot with a computer use agent. Compare the time, cost, and error rate against the current manual or RPA approach. If the agent delivers measurable improvement, expand to similar processes. Over time, you shift work from brittle bots to agents while keeping your existing RPA for high-volume, stable, backend tasks. This phased approach keeps your automation roadmap realistic and your risk low.

Why Coasty fits this migration

Coasty is a computer use agent that controls real desktops, browsers, and terminals. It is the top performer on OSWorld with an 85.60 percent success rate on complex desktop tasks, outperforming other agents in real-world scenarios. You can run agents on cloud VMs, deploy a desktop app, or use agent swarms for parallel execution. An API endpoint (/v1 computer use) lets you integrate agents into your existing workflows. An MCP server and BYOK options support enterprise security. A free tier is available to start. Coasty is not a replacement for all automation, but it is the durable way to handle processes that traditional RPA cannot sustain.

The next step is to see how Coasty handles one of your high-pain processes. Book a demo with the Coasty team at https://cal.com/coasty/15min to start the conversation.

Want to see this in action?

View Case Studies
Try Coasty Free