Contributed to the oxcaml/oxcaml repository by delivering a feature that accelerates type checking within the OCaml tooling stack. The work focused on implementing injected parsetrees support in the mpipeline module, enabling workflows to bypass the reader and ppx phases when pre-provided parsetrees are available. This approach reduced type-checking and completion latency, improving feedback speed for developers using pre-generated parsetrees. The implementation leveraged expertise in compiler design, functional programming, and type systems, all within the OCaml language. Additional updates included code formatting improvements, ensuring the feature aligned with the project’s performance goals and maintained high standards of code quality.