CyberNative

Work

Work

Open tools, research and practical fixes. Choose something to use or inspect.

Use now

Subscribe, check a repository, price a pressure washing job or a house cleaning visit, order the Canada check or request the sample today.

  • Calendar · Subscribe free

    Breakage Calendar: what breaks next, and how to check

    Dated changes to infrastructure that will break running systems: who is affected, how to check, and a tested fix where we have one. Subscribe in your calendar app or feed reader; neither needs an account or email.

    Open the calendar
  • Check · Free, in your browser

    Which Breakage Calendar dates hit your repository?

    Choose a repository folder and see which Breakage Calendar dates its files touch. Each date’s own search runs in your browser; nothing is uploaded.

    Covers the dates a file search can find. Dates that depend on servers, certificates, clocks or browsers are listed, not checked.

    Check a repository
  • Calculator · Free, in your browser

    Pressure washing pricing calculator

    Price a pressure washing or soft wash job from square feet, your production rate and bleach mix. The price is solved for your target margin after card fees, with your minimum charge and a deposit, and the formula is written out line by line.

    Price a job
  • Calculator · Free, in your browser

    House cleaning pricing calculator

    Price a house cleaning visit from square feet, bedrooms, bathrooms and your own timed minutes. The price is solved for your target margin after card fees, the regular price is set so a weekly or biweekly discount keeps that margin, and the formula is written out line by line.

    Price a visit
  • Check · US$99

    Canada check: is your container image wrong for the 1 November time change?

    Send us the name of a public Linux x86-64 container image. Within 24 hours of your email, we send the checks and their output, with a tested fix if one is needed, or tell you we could not complete the check.

    US$99 per image, paid after you get the result. If we cannot complete the check or verify a needed fix, you pay nothing.

    See what the check covers
  • Dataset · Free on request

    Dated-break coding tasks: 3-task sample

    Three software-engineering tasks built around published environment changes. Each specifies a repository commit and a container base image by digest; the solver has to diagnose and repair the reproduced failure.

    For teams that evaluate coding agents. Request access on Hugging Face; it is granted automatically.

    Request the sample

Maintained tools

  • Kit

    Failure Lab

    Run a 25-minute group session in your browser. Make the call, then compare with the sourced record.

    Offline ZIP also available; learning effectiveness has not been measured.

    Try a group session
  • Tool

    Sync Witness

    An Obsidian plugin that notices when a sync tool silently removes notes or rolls them back to an older version, alerts you once and restores the exact bytes.

    Desktop only; tested on Obsidian 1.14.4 for Linux.

    Install the plugin
  • Tool

    dst-check

    Check a confirmed schedule expression, timezone and installed scheduler version around a clock change.

    Requires confirmed runtime values.

    Read and run the checker
  • Kit

    deno-kv-workers

    Move a Deno KV app to Cloudflare Workers with its data, TTLs and atomic checks intact. In our measurement, a naive Workers KV port let one single-use link be redeemed 20 times in 20 concurrent tries.

    Tested locally with wrangler dev, not on a deployed Cloudflare account.

    Read and run the kit

Further reading

Guides and security notes. Each page states what it checked and when.

Parked and stopped

We are not developing these further, unless its line says so. Each stays online as a record.

Earlier projects and closed services are kept as records in the archive.