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Agent skill

Import On Interaction

by thedaviddias in thedaviddias/Front-End-Checklist

A skill your agent uses when reviewing slow initial loads caused by optional features.

MITAuto-check passed

Install Import On Interaction

skills CLI
$ npx skills add thedaviddias/Front-End-Checklist --skill import-on-interaction -a claude-code

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

GitHub CLI
$ gh skill install thedaviddias/Front-End-Checklist import-on-interaction --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/thedaviddias/Front-End-Checklist.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/import-on-interaction .claude/skills/import-on-interaction && 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
import-on-interaction
GitHub stars
74k
Token cost
~537 tokens
SKILL.md length
235 words
Files
2 (incl. references)
Skills in repo
390
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when reviewing slow initial loads caused by optional features.

  • Reviewing slow initial loads caused by optional features
  • SKILL.md covers Quick Reference, Check, Fix and Explain, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Import On Interaction is an agent skill from thedaviddias/Front-End-Checklist. Use when reviewing slow initial loads caused by optional features. Prioritize code that is expensive to download or execute and not required for the first viewport, first input, or core task completion.

Its SKILL.md is about 540 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/rule.md`).

The repository describes itself as: 🗂 The essential checklist for modern web development, for humans and AI agents. The licence is MIT.

When your agent uses it

  • Reviewing slow initial loads caused by optional features

Example prompts

  • “/import-on-interaction”

What it can do on your machine

Read from SKILL.md and the folder at commit e8d14d0. 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

    No scripts in the folder and no shell commands in SKILL.md.

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

  • Network

    Links to these hosts (documentation or services it may open):

    • frontendchecklist.io

    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

Import On Interaction loads about 537 tokens when it runs, and up to ~1.4k if it reads all its reference files. Until then it costs about 56 tokens; SKILL.md has 235 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~56
When it runs · the whole SKILL.md, loaded when a task matches
~537
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.4k

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

The full file from thedaviddias/Front-End-Checklist at commit e8d14d0, republished under its MIT licence (© thedaviddias). 235 words, ~537 tokens.

Download SKILL.mdSave it as .claude/skills/import-on-interaction/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
import-on-interaction
description
Use when reviewing slow initial loads caused by optional features. Prioritize code that is expensive to download or execute and not required for the first viewport, first input, or core task completion.
metadata.category
performance
metadata.priority
high
metadata.difficulty
intermediate
metadata.estimatedTime
20
metadata.source
frontendchecklist.io
metadata.url
https://frontendchecklist.io/rules/performance/import-on-interaction

Load non-critical code on user interaction

Users should not pay the download, parse, and execution cost for features they may never use. Import-on-interaction shrinks initial JavaScript, reduces main-thread work during page load, and keeps the first view focused on content that matters immediately.

Quick Reference

  • Move non-essential code behind clicks, focus, hovers, or explicit user actions
  • Use dynamic import() so the code is absent from the initial route bundle
  • Show immediate UI feedback while the deferred chunk loads
  • Use this for chat widgets, editors, maps, filters, and export flows that are not needed on first paint

Check

Inspect this route or component for heavy modules, widgets, or third-party scripts that load on first render but are only needed after a user clicks, focuses, hovers, or opens a panel.

Fix

Move the non-critical dependency behind a user-triggered dynamic import(), add immediate loading feedback, and ensure the initial render still works without the deferred feature.

Explain

Explain import-on-interaction, why it improves initial performance, and which features are safe to defer until the user shows intent.

Code Review

Inspect event handlers, modal triggers, drawers, editors, maps, export actions, and third-party widgets. Flag code that is included in the initial bundle even though it is only needed after a user interaction, and verify the fix keeps the initial path lighter without degrading the triggered flow.

For full implementation details, code examples, and framework-specific guidance, see references/rule.md.

Rule page: https://frontendchecklist.io/rules/performance/import-on-interaction

© thedaviddias, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/import-on-interaction of thedaviddias/Front-End-Checklist.

  • SKILL.md
  • references/rule.md

Open the folder on GitHubat commit e8d14d0

Compare with similar skills

Import On Interaction 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.

Import On Interaction compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Import On Interaction this skillthedaviddias/Front-End-Checklist74k—~537Automated safety check: PassMIT
Importasgeirtj/system_prompts_leaks69k—~3.5kAutomated safety check: PassCC0-1.0
Optionsasgeirtj/system_prompts_leaks69k—~918Automated safety check: PassCC0-1.0
Import Canvas Captureremotion-dev/remotion63k—~882Automated safety check: PassCustom licence
Nx Importnrwl/nx29k6 repos~3.5kAutomated safety check: PassMIT
Import Memoryasgeirtj/system_prompts_leaks69k—~2.7kAutomated safety check: WarnCC0-1.0

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Questions about Import On Interaction

What does Import On Interaction do?

A skill your agent uses when reviewing slow initial loads caused by optional features. Import On Interaction is an agent skill from thedaviddias/Front-End-Checklist. Use when reviewing slow initial loads caused by optional features.

When should I use Import On Interaction?

Import On Interaction fits situations like: reviewing slow initial loads caused by optional features.

How do I install Import On Interaction in Claude Code?

Run `npx skills add thedaviddias/Front-End-Checklist --skill import-on-interaction -a claude-code`. Or copy the skill folder (skills/import-on-interaction in thedaviddias/Front-End-Checklist) into .claude/skills/import-on-interaction in your project. Claude Code loads it when a task matches its description.

How do I install Import On Interaction in Codex?

Run `npx skills add thedaviddias/Front-End-Checklist --skill import-on-interaction -a codex`. Or copy the skill folder (skills/import-on-interaction in thedaviddias/Front-End-Checklist) into .agents/skills/import-on-interaction in your project. Codex loads it when a task matches its description.

Can I use Import On Interaction 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 thedaviddias/Front-End-Checklist --skill import-on-interaction -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/import-on-interaction, .gemini/skills/import-on-interaction, .github/skills/import-on-interaction and .opencode/skills/import-on-interaction in your project.

What does Import On Interaction need to run?

SKILL.md names no scripts, command-line tools or credentials: Import On Interaction is instructions for the agent only.

Does Import On Interaction access the network?

SKILL.md names 1 domain. As links in the text: frontendchecklist.io. This is read from the text; nothing was executed.

Is Import On Interaction 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 Import On Interaction use?

Import On Interaction is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Import On Interaction use?

About 537 tokens (SKILL.md is roughly 2.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 865 tokens, read only when the agent opens those files.

What are the alternatives to Import On Interaction?

Skills that share tags, products or a category with Import On Interaction: Import (asgeirtj/system_prompts_leaks, 69k stars), Options (asgeirtj/system_prompts_leaks, 69k stars), Import Canvas Capture (remotion-dev/remotion, 63k stars) and Nx Import (nrwl/nx, 29k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Import On Interaction?

thedaviddias (a GitHub user) maintains it in thedaviddias/Front-End-Checklist, which has 74,421 GitHub stars. The repository holds 390 skills in this directory. The repository was last updated on October 6, 2026.

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