# blueprint-contexts
Context extension modules used to compose runtime capabilities into Blueprint job contexts.
## Feature-gated modules
- `tangle`: Tangle client context helpers.
- `eigenlayer`: EigenLayer context helpers.
- `keystore`: signer/keystore context access.
- `instrumented_evm_client`: EVM client instrumentation context.
## When to use
Use when building custom context structs passed into job handlers and you want reusable extension traits/utilities.
## Related links
- Source: https://github.com/tangle-network/blueprint/tree/main/crates/contexts