The agency might simply trying to increase responses to its site to entice the applicant to take a different position or to sell the applicant resume or job counseling services. Call the agency and try to get as much information as you can over the phone before seeing them in person. The agency might want you to sign a service agreement under which you pay them to assist you in finding a job. If you meet the agency in person, do not sign unless you fully understand what you are signing. If the agency makes oral representations that are contradictory with what is stated in contract, don't sign unless the contract is changed to reflect the oral representations.
Oral representations are hard to prove in face of written agreements.
Be aware of agencies that are not offering a job but are trying to sell your services on how you can get a job such as resume writing or interviewing techniques. In such cases you pay them a fee and you don't get what you wanted which was a job that you applied for. The position probably never existed in the first place. Some agencies are offering services to market your career. You are told that most jobs are not advertised and that there is a hidden employment market that only they are aware of.