The content of some of the Silver Tribe's contracts is still unknown, but it appears to involve the protection of Yuty by the rest of the Silver Tribe's Nodos. Silver Tribe members Rome Ro and Prome Ou were the chief architects of the contracts.
The Silver Tribe has made contracts with a total of four Nodos:
- Karkinos - contract with the Silver Tribe contains 4 Labors. While Karcinos's contract has not been fully enumerated, it involves the protection of Yuty even at the cost of his own life.
- Mehitak - contract with the Silver Tribe contains 3 Labors:
- Pore (his tribe) will prosper as long as he is obedient to the Silver Tribe.
- As a Nodos, until all your power is used up, you will obey the Silver Tribe.
- When the Nodos of the Silver Tribe is in danger, you will help.
- Lecty - contract with the Silver Tribe contains 5 Labors:
- By submitting to the will of the Silver Tribe, your tribe shall prosper.
- You must fight against the enemies of the Silver Tribe as a Nodos.
- When the Nodos of the Silver Tribe is in danger, you must save her.
- When you have discovered the power of the Golden Tribe, you must inform the Silver Tribe
- When the power of the Golden Tribe is being lost, you must protect it.
- Yuty - contract with the Silver Tribe contains 8 Labors. While Yuty's contract has not been fully enumerated, it is chiefly concerned with obtaining the power of the Golden Tribe. She is also tasked with destroying that power should it fall out of the hands of the Silver Tribe.