> For the complete documentation index, see [llms.txt](https://docs.dctx.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dctx.ai/key-components/context-graph-layer/how-developers-use-it.md).

# How Developers Use It

* Use the **Decontext SDK** to query or subscribe to graph updates.
* Leverage the **GraphQL interface** to retrieve structured subgraphs.
* Use **event triggers** to sync updates to off-chain systems or agents.