> For the complete documentation index, see [llms.txt](https://docs.indexcoop.com/index-coop-community-handbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.indexcoop.com/index-coop-community-handbook/protocol/index-protocol/core-contracts.md).

# Core Contracts

perform critical functions for the protocol like verifying permissions and enabling general-purpose resources

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td></td><td>Set Token</td><td></td><td><a href="/index-coop-community-handbook/protocol/index-protocol/core-contracts/set-token.md">Set Token</a></td></tr><tr><td></td><td>Set Token Creator</td><td></td><td><a href="/index-coop-community-handbook/protocol/index-protocol/core-contracts/set-token-creator.md">Set Token Creator</a></td></tr><tr><td></td><td>Controller</td><td></td><td><a href="/index-coop-community-handbook/protocol/index-protocol/core-contracts/controller.md">Controller</a></td></tr><tr><td></td><td>Integration Registry</td><td></td><td><a href="/index-coop-community-handbook/protocol/index-protocol/core-contracts/integration-registry.md">Integration Registry</a></td></tr><tr><td></td><td>Price Oracle</td><td></td><td><a href="/index-coop-community-handbook/protocol/index-protocol/core-contracts/price-oracle.md">Price Oracle</a></td></tr><tr><td></td><td>Set Valuer</td><td></td><td><a href="/index-coop-community-handbook/protocol/index-protocol/core-contracts/set-valuer.md">Set Valuer</a></td></tr></tbody></table>