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eliasstravikeliasstravik/skills/skills/demo/SKILL.md

demo

Skill22 starsChanged 4 days agoMITView on GitHub

The demo skill owns turning a product concept, release artifact, checklist, or named demo into a convincing, self-contained local try-it experience. It stages only missing product context with deterministic, visibly simulated behavior; builds or revises the focal interaction; serves it on loopback; and verifies the exact preview, restart path, and QA result. It triggers when a user asks to build, revise, activate, or use /demo for a realistic local demo or artifact experience. It does not own feature integration into an existing app router, testing an already-running localhost or dist build, comparing prototype directions or state models, converting Markdown into durable HTML, making demo videos, writing sales scripts, explaining mock design, or reviewing bugs without edits.

26 other projects use a version of this.

Adopted by

Most recently taken up by

Used with

Projects with it also use spec, implement and 3 more.

Other files people use alongside this one.

Files found in the same public projects as a version of this one, more often than they turn up anywhere else. Each project counts once, large collections count for less, and this file's own repository is left out.
  • SentrySkill

    spec

    Produce a verified spec — problem, desired outcome, and acceptance criteria — before building. Use when given a GitHub/Linear issue link, when starting from a fuzzy in-conversation idea, or asked to "figure out what to do" / "scope this" / "what should I build" — whenever the *what* isn't yet pinned down. Grills the ambiguities, checks the premise against the code, and produces acceptance criteria you sign off on — then hands to design-first.

    Also in 4 projects that use this

  • Hugging FaceSkill

    implement

    Make tests pass. Invoke after /write-tests produces failing tests.

    Also in 4 projects that use this

  • SentrySkill

    review

    Fixture review skill.

    Also in 4 projects that use this

  • AWSSkill

    ship

    Finalize dev work on an issue branch — update docs, push, and open a PR.

    Also in 3 projects that use this

  • NVIDIASkill

    research

    Before designing a feature, research how comparable libraries solve the problem, check best practices, known pitfalls, and upstream changes. Use when starting a new feature, investigating an unfamiliar area, or the user asks to research something.

    Also in 3 projects that use this

The file

We split this skill into the rules it gives an agent

3 rules. 0 are common, 2 are distinctive, and 1 is very specific to this project.

  • 0

    Common

    Most of the 24 edited versions we read keep these.

  • 2

    Distinctive

    This author's own choices. Worth a look.

  • 1

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Start a long-lived server for DEMO_DIR on 127.0.0.1 using a free non-common port, record its PID, and record the exact restart command with …

    line 14
  2. Distinctive:

    Verify the exact preview URL and focal path with browser interaction at relevant viewports when available, or a clearly identified …

    line 15
  3. Distinctive:

    Run the server as the foreground command of a long-running tool session.

    line 20

“Common” is measured: kept by at least 6 in 10 of the 24 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Demo

Recipe

  1. Resolve the target and DEMO_DIR inside the provided demo state root, or expanded ~/.demo otherwise: revise a named demo in place, demonstrate a named artifact, or identify plausible targets whose differences would materially change the result.
  2. Present any required target question directly—never through AskUserQuestion—as a clear bold question, necessary context below it, then numbered options whose first option is the recommendation and ends with (Recommended).
  3. Inspect the source and choose its smallest convincing focal experience; use host tools directly, stage missing product or service behavior with deterministic synthetic state, and keep Demo or Simulated visible without credentials, destructive action, or claims of a live backend, model, extension, auth flow, integration, or third party.
  4. Build or revise the one descriptive lowercase-hyphen directory as an accessible responsive local experience, preferring one self-contained index.html and adding only assets or files the focal path requires.
  5. Start a long-lived server for DEMO_DIR on 127.0.0.1 using a free non-common port, record its PID, and record the exact restart command with the same binding, port, and directory.
  6. Verify the exact preview URL and focal path with browser interaction at relevant viewports when available, or a clearly identified HTTP/source fallback otherwise, and keep the verified server alive through handoff.
  7. On success reply with exactly five lines labeled Demo path, Preview, Restart, Real vs staged, and QA; after bounded serve or verification failure reply with Not ready, omit every link, and give the path, restart command, concrete failure, next fix, and QA limitation.

Details

  • Run the server as the foreground command of a long-running tool session; do not background or detach it from a shell that will exit, and treat loss of that session as a serving failure rather than reporting its URL.

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What did you use it for? e.g. Reviewing pull requests in a Rails app

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