Agani was elected as a corresponding member of the Academy of Sciences and Arts of Kosovo in 1994 and became a full member two years later. He participated in the political dialogue over Kosovo's future, serving under Ibrahim Rugova as a co-founder and deputy head of the Democratic League of Kosovo (LDK). He became the LDK's leading thinker and political strategist. He headed Albanian delegations at talks leading up to the 1998–1999 Kosovo War and was one of the principal Kosovar negotiators at the Rambouillet Conference. A leading advocate of non-violence and reconciliation, he founded the Forum for Ethnic Relations with the aim of fostering a dialogue between Albanians and Serbs. The Kosovo Albanian philosopher Shkëlzen Maliqi later described Agani's role as being