The phrase "agrees to inform" is correct and usable in written English.
You can use it when indicating that someone has consented to provide information or updates about a specific matter.
Example: "The committee agrees to inform the members about the changes in the policy during the next meeting."
Alternatives: "commits to notify" or "consents to update".
In such cases, he said, Israel had agreed to inform American monitors and Palestinian officials before taking action.
I agree to inform [name of entity] promptly if I become a nonresident alien at any time during the three years immediately following the date of this notice.
According to Weidner, the state's attorney's office agreed to inform the media if Smollett files a motion to unseal and expunge the record.
On Saturday, India and Pakistan agreed to inform each other about missile tests and to set up a hot line between their foreign ministers.
The New York Police Department has agreed to inform all officers of, and train new recruits in, the rules under which they may order livery passengers out of cabs, detain and search them.
Mr. Vallone later withdrew the bill after strong opposition from corporate interests, saying that business leaders had agreed to inform their managers abroad about religious rights declarations and to follow voluntary principles barring religious discrimination in the workplace.
He did not say he was facing federal bank fraud charges, filed in 1992, and was out of jail only because, hoping for a plea bargain, he had agreed to inform against the Albanian gang.
While many of those who agreed to inform for the army or police may have had their weaknesses – the "£5 touts" as republicans called them - few could have been as needy or as vulnerable as Jean McConville, an east Belfast Protestant convert to Catholicism, living in the heart of Catholic west Belfast.
"To conceal the payment of the ransom, AISE, SNSA (Somalia's national security agency) and the hostages agreed to inform the media and public that the release of the hostages was the result of a successful rescue operation by the Somali security forces".
