Discover and Prove: An Open-source Agentic Framework for Hard Mode Automated Theorem Proving in Lean 4

Build a Lean 4 agent environment that implements 'Hard Mode' theorem proving. This requires creating a framework where the agent must derive the theorem solution before attempting to write the formal proof code.

Suggested repo: hard-lean

"Put your reasoning agents to the ultimate test in Hard Mode theorem proving."

Estimated effort: 60h