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Agent skill

Handsontable Legacy E2E Maintenance

by handsontable in handsontable/handsontable

Guides edits to Handsontable's frozen Jasmine and Puppeteer E2E specs, and sends new or broken tests to Playwright instead.

Custom licenceAuto-check passedTesting & QA

Install Handsontable Legacy E2E Maintenance

skills CLI
$ npx skills add handsontable/handsontable --skill handsontable-e2e-testing -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install handsontable/handsontable handsontable-e2e-testing --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/handsontable/handsontable.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/handsontable-e2e-testing .claude/skills/handsontable-e2e-testing && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
handsontable-e2e-testing
GitHub stars
22k
Token cost
~3.4k tokens
SKILL.md length
1,391 words
Files
1
Skills in repo
31
Repo updated
First seen
Licence
Custom licence

At a glance

Guides edits to Handsontable's frozen Jasmine and Puppeteer E2E specs, and sends new or broken tests to Playwright instead.

  • Editing an existing Handsontable Jasmine or Puppeteer spec
  • SKILL.md covers Boilerplate, Global helpers, Theme-agnostic assertions and Event simulation, plus 6 more sections
  • Calls npm and sh
  • Migrating a broken or flaky legacy E2E spec to Playwright

What it does

The legacy `*.spec.js` suite is frozen. New end-to-end tests belong in Playwright under `tests/e2e/`, covered by a different skill. A presence gate blocks any newly added `*.spec.js`, and adding three or more `it` blocks to a modified frozen spec triggers a non-blocking `frozen-suite-growth` advisory that expects a justification in the pull request. A broken or flaky legacy spec should be migrated to Playwright.

For edits that do stay in the old suite, the skill gives the spec boilerplate and the rules ESLint enforces: every `it()` callback is async and every Handsontable API call is awaited. It lists the global helpers injected from `test/helpers/common.js`, grouped by instance, data, structure, selection, DOM, plugins and theme layout, and tells the agent to prefer the bare global over `hot()`. Mutating helpers re-render on their own and must be awaited. The excerpt also points to theme-agnostic assertions, which it cuts off.

When your agent uses it

  • Editing an existing Handsontable Jasmine or Puppeteer spec
  • Migrating a broken or flaky legacy E2E spec to Playwright
  • Deciding whether a new test belongs in the frozen suite or in Playwright

Example prompts

  • “Fix the failing selection spec in the legacy suite and make sure every call is awaited.”
  • “Migrate this flaky column-resize spec from Jasmine to Playwright.”
  • “Which global helpers can I use to count rows and select a cell in an old spec?”

Requirements

  • A checkout of the Handsontable repository

What it can do on your machine

Read from SKILL.md and the folder at commit 68b5e97. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • npm
    • sh

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npm, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Handsontable Legacy E2E Maintenance loads about 3.4k tokens when it runs. Until then it costs about 94 tokens; SKILL.md has 1,391 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~94
When it runs · the whole SKILL.md, loaded when a task matches
~3.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,391 words (~3,430 tokens).

“ESLint enforces: every it() callback is async, and every HOT API call (~50+ methods) is await-ed.”

— opening of SKILL.md by handsontable, Custom licence
name
handsontable-e2e-testing

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/handsontable-e2e-testing of handsontable/handsontable.

Open the folder on GitHubat commit 68b5e97

Compare with similar skills

Handsontable Legacy E2E Maintenance next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Handsontable Legacy E2E Maintenance compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Handsontable Legacy E2E Maintenance this skillhandsontable/handsontable22k—~3.4kAutomated safety check: PassCustom licence
Open BrowserJasonHonKL/Openbrowser114—~1.6kAutomated safety check: PassMIT
Test Framework Migration Skillsickn33/agentic-awesome-skills47k1 repos~2.2kAutomated safety check: PassMIT
Web Application Testinganthropics/skills180k51 repos~966Automated safety check: PassApache-2.0
playwright-cli Browser Automationgithub/gh-aw5.3k23 repos~2.8kAutomated safety check: PassMIT
Write and Verify Playwright Testsappsmithorg/appsmith41k—~2.9kAutomated safety check: NotesApache-2.0

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Works with

Categories

Questions about Handsontable Legacy E2E Maintenance

What does Handsontable Legacy E2E Maintenance do?

Guides edits to Handsontable's frozen Jasmine and Puppeteer E2E specs, and sends new or broken tests to Playwright instead. js` suite is frozen. New end-to-end tests belong in Playwright under `tests/e2e/`, covered by a different skill.

When should I use Handsontable Legacy E2E Maintenance?

Handsontable Legacy E2E Maintenance fits situations like: editing an existing Handsontable Jasmine or Puppeteer spec; migrating a broken or flaky legacy E2E spec to Playwright; deciding whether a new test belongs in the frozen suite or in Playwright.

How do I install Handsontable Legacy E2E Maintenance in Claude Code?

Run `npx skills add handsontable/handsontable --skill handsontable-e2e-testing -a claude-code`. Or copy the skill folder (.claude/skills/handsontable-e2e-testing in handsontable/handsontable) into .claude/skills/handsontable-e2e-testing in your project. Claude Code loads it when a task matches its description.

How do I install Handsontable Legacy E2E Maintenance in Codex?

Run `npx skills add handsontable/handsontable --skill handsontable-e2e-testing -a codex`. Or copy the skill folder (.claude/skills/handsontable-e2e-testing in handsontable/handsontable) into .agents/skills/handsontable-e2e-testing in your project. Codex loads it when a task matches its description.

Can I use Handsontable Legacy E2E Maintenance in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add handsontable/handsontable --skill handsontable-e2e-testing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/handsontable-e2e-testing, .gemini/skills/handsontable-e2e-testing, .github/skills/handsontable-e2e-testing and .opencode/skills/handsontable-e2e-testing in your project.

What does Handsontable Legacy E2E Maintenance need to run?

Going by SKILL.md and its folder, Handsontable Legacy E2E Maintenance needs the command-line tools its instructions call (npm and sh). Our summary lists: A checkout of the Handsontable repository.

Does Handsontable Legacy E2E Maintenance access the network?

SKILL.md contains no URLs. Its commands use npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Handsontable Legacy E2E Maintenance safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Handsontable Legacy E2E Maintenance use?

Handsontable Legacy E2E Maintenance has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Handsontable Legacy E2E Maintenance use?

About 3.4k tokens (SKILL.md is roughly 14k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Handsontable Legacy E2E Maintenance?

Skills that share tags, products or a category with Handsontable Legacy E2E Maintenance: Open Browser (JasonHonKL/Openbrowser, 114 stars), Test Framework Migration Skill (sickn33/agentic-awesome-skills, 47k stars), Web Application Testing (anthropics/skills, 180k stars) and playwright-cli Browser Automation (github/gh-aw, 5.3k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Handsontable Legacy E2E Maintenance?

handsontable (a GitHub organization) maintains it in handsontable/handsontable, which has 22,059 GitHub stars. The repository holds 31 skills in this directory. The repository was last updated on October 7, 2026.

Source: handsontable/handsontable on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.