What exactly is a Claimant Commitment and what's happened to the Jobseekers Agreement?

What can the claimant be required to do to find work?

Make sure it's realistic - if the claimant's Commitment is unrealistic then they are more likely to be sanctioned.

What is it and does every claimant have to sign up to it?

What happens when, due to a temporary change in their circumstances, the claimant will struggle to keep to their Claimant Commitment.