The phrase "agents were invited" is correct and usable in written English.
You can use it when referring to a situation where agents have been asked to attend an event or participate in an activity.
Example: "During the conference, agents were invited to share their insights on the latest industry trends."
Alternatives: "agents were requested" or "agents were summoned".
American travel agents were invited to a reception at the Waldorf-Astoria in New York early this month featuring the Vienna Boys Choir and the Salzburg Puppet Theater.
At a reading at the Whitney Museum of American Art to promote Doubleday books and authors, editors and agents were invited to take part in a spelling bee.
A number of Libyan dissidents and their families were kidnapped, several allegedly tortured, and at one point Gaddafi's agents were invited to operate on UK soil, where they are said to have intimidated Libyan refugees.
The documents show that in 2006 Libyan intelligence agents were invited to operate on British soil where they worked alongside MI5 and allegedly intimidated a number of opponents of Gaddafi who had been granted asylum in the UK.
At one point, Libyan intelligence agents were invited to operate on British soil, where they worked alongside MI5 and allegedly intimidated a number of Gaddafi opponents who had been granted asylum in the UK.
They also show that in 2006, Libyan intelligence agents were invited to operate on British soil, where they worked alongside MI5 and allegedly intimidated a number of Gaddafi opponents who had been granted asylum in the UK.
Sometimes agents are invited into homes; it would be intrusive for them to make video recordings of everything visible inside the home, because the recordings might be studied later for signs of anything that could be prosecuted.
On that occasion, Lascelles and his agent were invited to Goodison, given a guided tour of the club's training ground and, naturally, the promise of a hefty pay rise.
Consecutive patients with RA who fulfilled the 1987 revised criteria of the American College of Rheumatology for the classification of RA 13 and satisfied the Japanese guidelines for the use of anti-TNF biological agents 14 were invited to participate in the study.
Agents with the Bureau of Alcohol , Tobacco Firearms and Explosives were invited to help investigate.
In each instance, the federal agents declined to join the inquiry, although they were invited, the people said.
