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@go-to-k

Kenta Goto

go-to-k
Japan

About Me

I'm Kenta Goto, a software engineer from Japan working deep in the AWS ecosystem, with a particular focus on the AWS CDK.

I've been selected as an AWS DevTools Hero, a recognition AWS gives to a small group of developers worldwide for their impact on improving the developer experience on AWS.

I'm an AWS CDK Top Contributor and a Trusted Community Reviewer, reviewing pull requests to the AWS CDK itself. Alongside that, I build open-source tools and construct libraries that fill the gaps the official tooling leaves behind, making the CDK ecosystem more powerful and convenient.

What I've Built

Dev Tools

  • cdkd: Drop-in CDK CLI for existing apps. Up to 15x faster deploys via direct AWS SDK calls instead of CloudFormation.
  • cdk-local: Run your CDK-built app locally, no deploy needed, even while it reaches the real AWS resources it depends on.
  • cdk-real-drift: Drift detection for CDK that sees what your template can't, including properties you never declared. Detect it, record it, or revert it.
  • delstack: Delete CloudFormation / CDK stacks, from routine cleanups to force-deleting stacks with undeletable resources.
  • cdk-agc: CDK Assembly Garbage Collector. Clean up unused assets in cdk.out, local Docker images, and temporary CDK directories.
  • cls3: A CLI to clear S3 buckets: empty all objects, versions, and delete-markers, or delete the buckets themselves.
  • lamver: Search AWS Lambda runtimes and versions across regions.
  • markgate: A verification-state cache for hook managers. Skip checks that already passed, catch the ones that never ran.

CDK Construct Libraries

CDK Explorations

  • cdk-gof-design-patterns: AWS CDK × GoF design patterns, with concrete code and class diagrams.
  • cdk-skills: A collection of Skills for AI coding agents to assist AWS CDK development.

Writing & Talks

Why Sponsor Me?

Building is the fun part. Keeping everything alive is the real work: fixing bugs, reviewing issues, answering questions, and updating tools every time AWS changes something under the hood. That maintenance is invisible, unpaid, and never-ending.

Your sponsorship directly buys me time to keep these tools healthy, support the people using them, and build the next idea in the open. Whether it's a one-time thank-you or a monthly boost, it genuinely helps, and it keeps this whole ecosystem of tools free for everyone.

Thank you for reading this, and for considering supporting my work!

9 sponsors have funded go-to-k’s work.

@seike460
@sakasa
@kamogashira-sys
@touchez-du-bois
@MASAKIOKUDA-eng
@smt7174
@aki-kii
@yamoyamoto
@fujiwara

Featured work

  1. go-to-k/cdkd

    Drop-in CDK CLI for existing CDK apps — up to 15x faster deploys via direct AWS SDK calls instead of CloudFormation.

    TypeScript 96
  2. go-to-k/cdk-local

    Run your CDK-built app locally, no deploy needed — standalone, or kept local while it reaches the real AWS resources and data it depends on, with no `.env` or local copies to maintain.

    TypeScript 45
  3. go-to-k/cdk-real-drift

    Drift detection for AWS CDK that sees what your template can't, including the properties you never declared. Detect it, record it, or revert it.

    TypeScript 26
  4. go-to-k/delstack

    A CLI tool for deleting AWS CloudFormation and AWS CDK stacks, from routine deletions to force deleting stacks with undeletable resources.

    Go 91
  5. go-to-k/cls3

    The CLI tool "cls3" is to CLear S3 Buckets. It empties (so deletes all objects and versions/delete-markers in) S3 Buckets or deletes the buckets themselves.

    Go 155
  6. go-to-k/cdk-multi-region-stack

    A CDK Stack that lets you place resources in other regions while keeping them in one logical stack

    TypeScript 14

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☕ Coffee

Your support treats me to a coffee to kick off a day of coding. Thank you!

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Your support treats me to a cold beer to unwind after a long day of maintaining my tools. Cheers!

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Your support treats me to a bowl of ramen that fuels the late-night maintenance behind my tools.

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Your support treats me to a proper dinner and helps me keep dedicating real time to my tools. Thank you!

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For those who'd like to go a step further. Your support genuinely helps me put more time into maintaining and improving my tools. Thank you so much!

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For teams and companies that rely on my tools. Your sponsorship helps keep the projects your team depends on healthy and well maintained. Thank you.

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For teams and companies building on my tools. Your support lets me dedicate substantially more time to maintaining and improving the tools your team relies on.

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For teams and companies that depend on my work. Your sponsorship goes beyond maintenance, giving me the freedom to invest serious time in bigger improvements and new tools for the ecosystem your team builds on.