Mercury is the Roman equivalent of the Greek god Hermes.
Hermes is the Greek messenger of the gods, associated with travel, trade, communication, boundaries, and cleverness. Mercury developed as his Roman counterpart, and Roman writers and artists often treated the two gods as equivalent when adapting Greek mythology.
Pandora’s creation is usually described through the roles of Zeus, Hephaestus, Athena, Aphrodite, and other divine figures. Hermes is sometimes included in later summaries because he gives Pandora qualities such as a deceptive or persuasive tongue. The exact distribution of gifts varies between translations and retellings.
This makes Mercury a related mythological identification rather than the answer to a specific original Hesiod passage about a messenger delivering Pandora. Separating ancient sources from later adaptations helps prevent a modern retelling from being mistaken for a verbatim detail of the earliest account.