> For the complete documentation index, see [llms.txt](https://docs.developers.thundercore.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.developers.thundercore.com/network-details/help-build-in-contracts.md).

# Smart Contract Services

### **Mainnet**

| Contracts               | Contract Address                                                                                                                                       | Detail                                           |
| ----------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------ |
| Random Number Generator | [0x8cC9C2e145d3AA946502964B1B69CE3cD066A9C7](https://explorer-mainnet.thundercore.com/address/0x8cC9C2e145d3AA946502964B1B69CE3cD066A9C7/transactions) | [Detail](/tool/tools/random-number-generator.md) |
| Price Oracles           | [0x7121aA94301048b0fF33173834bfA6d2f5D86fd7](https://viewblock.io/thundercore/address/0x7121aA94301048b0fF33173834bfA6d2f5D86fd7)                      | [Detail](/tool/tools/oracles.md)                 |