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Agent skill

Tanstack Virtual

by udecode in udecode/plate

Headless UI for virtualizing large element lists at 60FPS in TS/JS, React, Vue, Solid, Svelte, Lit & Angular.

Custom licenceAuto-check passedFrontend & Design

Install Tanstack Virtual

skills CLI
$ npx skills add udecode/plate --skill tanstack-virtual -a claude-code

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

GitHub CLI
$ gh skill install udecode/plate tanstack-virtual --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/udecode/plate.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/tanstack-virtual .claude/skills/tanstack-virtual && 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
tanstack-virtual
GitHub stars
17k
Token cost
~2.8k tokens
SKILL.md length
392 words
Files
1
Skills in repo
78
Repo updated
First seen
Licence
Custom licence

At a glance

Headless UI for virtualizing large element lists at 60FPS in TS/JS, React, Vue, Solid, Svelte, Lit & Angular.

  • Works in 11 steps: Overestimate estimateSize - prevents… → Increase overscan (3-5) to reduce blank… → Use transform: translateY() over top for… → …
  • Tasks that involve Design systems
  • SKILL.md covers Overview, Installation, Core Pattern and Virtualizer Options, plus 11 more sections
  • Calls npm

What it does

Tanstack Virtual is an agent skill from udecode/plate. Headless UI for virtualizing large element lists at 60FPS in TS/JS, React, Vue, Solid, Svelte, Lit & Angular.

Its SKILL.md is about 2.8k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Frontend & Design, covering Design systems. It works with TanStack, React, Angular and Svelte. The repository describes itself as: Rich-text editor with AI and shadcn/ui.

When your agent uses it

  • Tasks that involve Design systems

Example prompts

  • “/tanstack-virtual”

Requirements

  • Node.js

Workflow steps

11 steps, taken from the first numbered list in SKILL.md.

  1. Overestimate estimateSize - prevents scroll jumps (items shrinking causes issues)
  2. Increase overscan (3-5) to reduce blank flashing during fast scrolling
  3. Use transform: translateY() over top for GPU-composited positioning
  4. Add data-index attribute when using measureElement for dynamic sizing
  5. Don't set fixed height on dynamically measured items
  6. Use getItemKey for stable keys when items can reorder
  7. Use gap option instead of margins (margins interfere with measurement)
  8. Use paddingStart/End instead of CSS padding on the container
  9. Use enabled: false to pause when the list is hidden
  10. Memoize callbacks (estimateSize, getItemKey, rangeExtractor)
  11. Use will-change: transform CSS on items for GPU acceleration

What it can do on your machine

Read from SKILL.md and the folder at commit a860762. 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

    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

Tanstack Virtual loads about 2.8k tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 392 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~32
When it runs · the whole SKILL.md, loaded when a task matches
~2.8k

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 392 words (~2,761 tokens).

“TanStack Virtual provides virtualization logic for rendering only visible items in large lists, grids, and tables. It calculates which items are in the viewport and positions them with absolute positioning, keeping DOM node count minimal regardless of dataset size.”

— opening of SKILL.md by udecode, Custom licence
name
tanstack-virtual

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/tanstack-virtual of udecode/plate.

Open the folder on GitHubat commit a860762

Compare with similar skills

Tanstack Virtual 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.

Tanstack Virtual compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Tanstack Virtual this skilludecode/plate17k—~2.8kAutomated safety check: PassCustom licence
Tanstack Querybskimball/tanstack-hono1191 repos~5.4kAutomated safety check: PassMIT
Olore Tanstack Store Latestolorehq/olore103—~1.2kAutomated safety check: PassMIT
UI/UX Design System AdvisorGalaxy-Dawn/claude-scholar5.7k1 repos~1.1kAutomated safety check: PassMIT
Design StyleCastor6/tactus3761 repos~2.1kAutomated safety check: PassApache-2.0
UI UX Pro Maxsundial-org/awesome-openclaw-skills6632 repos~657Automated safety check: PassNone

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Works with

Categories

Questions about Tanstack Virtual

What does Tanstack Virtual do?

Headless UI for virtualizing large element lists at 60FPS in TS/JS, React, Vue, Solid, Svelte, Lit & Angular. Tanstack Virtual is an agent skill from udecode/plate. Headless UI for virtualizing large element lists at 60FPS in TS/JS, React, Vue, Solid, Svelte, Lit & Angular.

When should I use Tanstack Virtual?

Tanstack Virtual fits situations like: tasks that involve Design systems.

How do I install Tanstack Virtual in Claude Code?

Run `npx skills add udecode/plate --skill tanstack-virtual -a claude-code`. Or copy the skill folder (.agents/skills/tanstack-virtual in udecode/plate) into .claude/skills/tanstack-virtual in your project. Claude Code loads it when a task matches its description.

How do I install Tanstack Virtual in Codex?

Run `npx skills add udecode/plate --skill tanstack-virtual -a codex`. Or copy the skill folder (.agents/skills/tanstack-virtual in udecode/plate) into .agents/skills/tanstack-virtual in your project. Codex loads it when a task matches its description.

Can I use Tanstack Virtual 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 udecode/plate --skill tanstack-virtual -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/tanstack-virtual, .gemini/skills/tanstack-virtual, .github/skills/tanstack-virtual and .opencode/skills/tanstack-virtual in your project.

What does Tanstack Virtual need to run?

Going by SKILL.md and its folder, Tanstack Virtual needs the command-line tools its instructions call (npm). Our summary lists: Node.js.

Does Tanstack Virtual 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 Tanstack Virtual 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 Tanstack Virtual use?

Tanstack Virtual 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 Tanstack Virtual use?

About 2.8k tokens (SKILL.md is roughly 11k 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 Tanstack Virtual?

Skills that share tags, products or a category with Tanstack Virtual: Tanstack Query (bskimball/tanstack-hono, 119 stars), Olore Tanstack Store Latest (olorehq/olore, 103 stars), UI/UX Design System Advisor (Galaxy-Dawn/claude-scholar, 5.7k stars) and Design Style (Castor6/tactus, 376 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Tanstack Virtual?

udecode (a GitHub organization) maintains it in udecode/plate, which has 16,638 GitHub stars. The repository holds 78 skills in this directory. The repository was last updated on October 7, 2026.

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