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Achievements

Achievement: StarstruckAchievement: Pull Sharkx3Achievement: YOLOAchievement: Pair Extraordinairex3Achievement: Quickdraw

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@SciML

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singhharsh1708/README.md

Harsh Singh

Numerical methods and scientific computing, mostly in Julia.
Google Summer of Code 2026 with SciML, under NumFOCUS.
200+ merged pull requests across the projects below.

Portfolio  ·  LinkedIn  ·  Codeforces

Projects I maintain

  • PETScDiffEq.jl - common-interface bindings for the PETSc TS time integrators. New in SciML, registered in General.
  • scrollcraft - AI scroll-website builder: a hosted app, plus a Claude Code skill you install with /plugin marketplace add.
  • kitbash - package manager and compiler for AI agent skills. Write a skill once, run it in Claude Code, Cursor, Codex, Copilot and Gemini CLI.
  • Assay.jl - Bayesian inference from first principles: MCMC, SMC and ADVI implemented rather than imported, with the SBC and Geweke checks that prove the numbers are right.

Writing

SciML

  • OrdinaryDiffEq.jl - the ODE time integrators, and where most of my work lives. I added the serial spectral deferred correction solver family, the explicit MRI-GARK multirate methods and the order-10 MSRK10 tableau, along with correctness fixes across the Rosenbrock, FIRK and ESDIRK solvers.
  • SciMLBenchmarks.jl - work-precision benchmarks for the multirate and stiff solver families.
  • ModelingToolkit.jl - symbolic-numeric modelling.
  • SciMLOperators.jl - lazy operator algebra.
  • NonlinearSolve.jl and SciMLBase.jl - the solver interfaces underneath all of it.

Elsewhere

Pinned Loading

  1. SciML/OrdinaryDiffEq.jl SciML/OrdinaryDiffEq.jl Public

    High performance ordinary differential equation (ODE) and differential-algebraic equation (DAE) solvers, including neural ordinary differential equations (neural ODEs) and scientific machine learni…

    Julia 678 274

  2. SciML/SciMLBenchmarks.jl SciML/SciMLBenchmarks.jl Public

    Scientific machine learning (SciML) benchmarks, AI for science, and (differential) equation solvers. Covers Julia, Python (PyTorch, Jax), MATLAB, R

    Julia 345 113

  3. gsoc_blog gsoc_blog Public

    GSoC 2026 @ SciML — Personal portfolio & technical blog

    HTML

  4. kitbash kitbash Public

    The package manager and compiler for AI agent skills — write once, run in Claude Code, Cursor, Codex, Copilot, Gemini CLI, and more

    HTML 9 4

  5. scrollcraft scrollcraft Public

    AI-powered scroll website builder — hosted app, plus a Claude Code skill: /plugin marketplace add singhharsh1708/scrollcraft

    TypeScript 58 6

  6. sciml-toolkit sciml-toolkit Public

    VS Code extension for Julia SciML: inline execution, @benchmark panel, and LaTeX equation preview

    TypeScript