The phrase "agreement to try" is correct and usable in written English.
It can be used when discussing a mutual understanding or commitment to attempt something together.
Example: "We reached an agreement to try a new approach in our project to improve efficiency."
Alternatives: "commitment to attempt" or "consensus to try".
We made an agreement to try not to be defensive toward each other again.
It admits that the LCH has taken steps, in the draft agreement, to "try to neutralise" Euronext's influence.
In late February, the United Nations and 11 leaders from central Africa signed an agreement to try to establish peace in eastern Congo.
The Obama administration secured agreement to try to pass the TPP agreement through the US Congress in its final 2016 sessions this month.
Mr. Barak repeated that he would rely on a popular vote, in the form of a referendum on an agreement, to try to resolve those rifts.
There have even been calls for an international agreement to try to coordinate such efforts (see "Do We Need a Digital Geneva Convention?").
They were given 'membership' agreements instead of tenancy agreements to try and curtail their rights.
Both gatherings ended with agreements to try to isolate Israel internationally and in the region.
"During the worst years of confrontation, we still built up a series of treaties and arms agreements and various other agreements to try to tamp down the potential for hostility," said Senator John Kerry, the Massachusetts Democrat who is chairman of the Foreign Relations Committee.
In my work with the Yale Endowment, we spent countless hours negotiating and structuring investment agreements to try to resolve some of these challenges.
"It's our duty and responsibility as leaders to work together to try and forge agreements, to try and forge economic prospects for the people that we represent whilst, at the same time, recognising that every now and again there will be situations that jump up to bite us," he said.
