The phrase "agree a set of" is correct and usable in written English.
It can be used when discussing the process of reaching a consensus on a specific collection of items or terms.
Example: "After much discussion, we were able to agree a set of guidelines for the project."
Alternatives: "reach an agreement on a set of" or "establish a set of".
To do this, we would need to agree a set of national brand values.
In 2000 the countries of the world came together to agree a set of clear goals for development for the first time.
After the strikes the government and unions managed to agree a set of high-level principles to change the local government pension scheme, but there is still much water to cross.
Cameron appealed for the G20 to send a "strong message about our commitment to the Syrian people" and urged other leaders to agree a set of principles that would allow aid workers to operate freely within Syria – including pauses in the fighting to allow aid workers to get in.
The obvious question is why don't all the insurers get together and agree a set of standard reductions or increases to their current premiums?
This is what leads us to the more serious medium term political consideration, how can the two coalition parties agree a set of joint spending plans that spans the next election?
The European Council agreed a set of ambitious targets to unclog labour markets when it met in Lisbon three years ago.
In response, the Home Office has agreed a set of guidelines with mobile phone suppliers and banks aimed at reducing the risks of fraud.
The west's leading industrial countries have agreed a set of core principles designed to combat tax evasion and reveal the true owners of shadowy companies.
As the negotiations continue towards agreeing a set of sustainable development goals (SDGs) to come into effect next year, tackling gender inequality remains high on the agenda.
"Agreeing a set of core principles which leave staff in no doubt about what is appropriate will enable the organisation to identify breaches more readily.
