The phrase "agent was able to" is correct and usable in written English.
It can be used to indicate that an agent successfully accomplished a task or action.
Example: "The agent was able to secure the necessary permits for the project."
Alternatives: "the agent managed to" or "the agent succeeded in".
Thiourea as a complexing agent was able to accomplish this purpose.
Sonoiki's agent was able to arrange a meeting with the "Black-ish" creators, and in May 2015 he left Goldman Sachs to work on the show.
One undercover agent was able to register accounts under names like "Joe Bogus" and describe the purpose of the account as "for cocaine" without being questioned, officials said.
Last spring, the 37-year-old Feagles, a free agent, was able to coax a five-year contract out of the Giants that was lucrative enough to get him to leave his beloved Seattle.
But in March, Mr. Malfi said, an agent was able to bluff his way past guards without having his briefcase searched to meet a General Services Administration employee who issued him an employee pass and an after-hours code.
Was Lee really a brilliant writer or an average one who, with great diligence and the support system of a talented editor and agent, was able to shape a highly autobiographical story that hit a cultural nerve in the years leading up to the civil rights movement?
The agent is able to get gloriously clear images of the suspects, enabling positive identification within seconds.
Any intelligent agent is able to perform the conscious act if the property called intention is embodied in their cognition.
After sufficient learning, the agent is able to locate the reward through chaining together of top-down motor command sequences.
A person steps into the scanner, and a TSA agent is able "to see" a person's whole… person.
In many situations, each rational agent is able to improve its objectives without preventing others from improving their objectives.
