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Agent skill

Typescript Tooling

by HoangNguyen0403 in HoangNguyen0403/agent-skills-standard

Development tools, linting, and build config for TypeScript.

MITAuto-check passedDevelopment

Install Typescript Tooling

skills CLI
$ npx skills add HoangNguyen0403/agent-skills-standard --skill typescript-tooling -a claude-code

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

GitHub CLI
$ gh skill install HoangNguyen0403/agent-skills-standard typescript-tooling --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/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/typescript/typescript-tooling .claude/skills/typescript-tooling && 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
typescript-tooling
GitHub stars
572
Token cost
~688 tokens
SKILL.md length
265 words
Files
3 (incl. references)
Skills in repo
211
Repo updated
First seen
Licence
MIT

At a glance

Development tools, linting, and build config for TypeScript.

  • Works in 3 steps: Call getDiagnostics (typescript-lsp MCP… → Run tsc --noEmit in CI — catches… → Run eslint --fix — auto-fix formatting…
  • Configuring ESLint
  • SKILL.md covers Priority: P1 (HIGH), Implementation Guidelines, ESLint Configuration and Verification Workflow…, plus 2 more sections
  • Calls tsc and eslint

What it does

Typescript Tooling is an agent skill from HoangNguyen0403/agent-skills-standard. Development tools, linting, and build config for TypeScript. Use when configuring ESLint, Prettier, Jest, Vitest, tsconfig, or any TS build tooling.

Its SKILL.md is about 690 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `evals/evals.json` and `references/REFERENCE.md`).

It sits in Development, covering Linting and formatting and Unit testing. It works with TypeScript, ESLint, Jest and Prettier. The repository describes itself as: A collection of Agent Skills Standard and Best Practice for Programming Languages, Frameworks that help our AI Agent follow best practies on frameworks and programming laguages. The licence is MIT.

When your agent uses it

  • Configuring ESLint
  • Any TS build tooling

Example prompts

  • “/typescript-tooling”

Workflow steps

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

  1. Call getDiagnostics (typescript-lsp MCP tool) — surfaces type errors in real time.
  2. Run tsc --noEmit in CI — catches project-wide errors LSP may miss.
  3. Run eslint --fix — auto-fix formatting and lint violations.

What it can do on your machine

Read from SKILL.md and the folder at commit b529c2d. 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:

    • tsc
    • eslint

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

  • Network

    No URLs in SKILL.md.

    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

Typescript Tooling loads about 688 tokens when it runs, and up to ~1.2k if it reads all its reference files. Until then it costs about 42 tokens; SKILL.md has 265 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~42
When it runs · the whole SKILL.md, loaded when a task matches
~688
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.2k

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 HoangNguyen0403/agent-skills-standard at commit b529c2d, republished under its MIT licence (© HoangNguyen0403). 265 words, ~688 tokens.

Download SKILL.mdSave it as .claude/skills/typescript-tooling/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
typescript-tooling
description
Development tools, linting, and build config for TypeScript. Use when configuring ESLint, Prettier, Jest, Vitest, tsconfig, or any TS build tooling.

TypeScript Tooling

Priority: P1 (HIGH)

Implementation Guidelines

  • Compiler: Use tsc for CI builds; esbuild or ts-node for development.
  • Linting: Enforce ESLint with @typescript-eslint/recommended. Enable strict type checking.
  • Formatting: Mandate Prettier via lint-staged and .prettierrc.
  • Testing: Use Vitest (or Jest) for unit/integration testing. Target > 80% line coverage.
  • Builds: Use tsup (library bundling) or Vite (web applications).
  • TypeScript Config: Aim for strict: true long-term. For existing projects, migrate incrementally: start with strictNullChecks, then noImplicitAny, strictFunctionTypes. Do NOT flip strict: true in one step.
  • CI/CD: Always run tsc --noEmit in build pipeline to catch type errors.
  • Error Suppression: Favor @ts-expect-error over @ts-ignore for documented edge-cases.

ESLint Configuration

Enable @typescript-eslint/recommended at minimum. When strict: false in tsconfig, no-unsafe-* rules may produce excessive noise — suppress selectively with @ts-expect-error rather than disabling globally.

See reference for common linting issues (request typing, unused params, test mock typing) and tsconfig migration examples.

Verification Workflow (Mandatory)

After editing any .ts / .tsx file:

  1. Call getDiagnostics (typescript-lsp MCP tool) — surfaces type errors in real time.
  2. Run tsc --noEmit in CI — catches project-wide errors LSP may miss.
  3. Run eslint --fix — auto-fix formatting and lint violations.

Fallback when typescript-lsp MCP unconfigured: run tsc --noEmit directly.

getDiagnostics fastest feedback loop. Use it before every commit on modified files. Use getHover to inspect inferred types, getReferences before renaming symbols.

Anti-Patterns

  • No @ts-ignore: Use @ts-expect-error — self-documents intent, fails if error disappears.
  • No any for request objects: Import centralized interfaces from src/common/interfaces/.
  • No eslint-disable (global): Suppress per-line; fix root cause instead.
  • No atomic strict: true flip on existing repos: migrate incrementally starting with strictNullChecks.

References

© HoangNguyen0403, 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 2 other files (references) in skills/typescript/typescript-tooling of HoangNguyen0403/agent-skills-standard.

  • SKILL.md
  • evals/evals.json
  • references/REFERENCE.md

Open the folder on GitHubat commit b529c2d

Compare with similar skills

Typescript Tooling 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.

Typescript Tooling compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Typescript Tooling this skillHoangNguyen0403/agent-skills-standard572—~688Automated safety check: PassMIT
Npx CLIjwynia/agent-skills170—~2.4kAutomated safety check: PassNone
Create Saleor Packagesaleor/apps162—~608Automated safety check: PassCustom licence
npm Packagejwynia/agent-skills170—~2.1kAutomated safety check: PassNone
Eslint Vitest Rule Testerantfu-collective/eslint-vitest-rule-tester142—~1.3kAutomated safety check: PassMIT
Run Testsartcc/freelingo165—~976Automated safety check: PassAGPL-3.0

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Works with

Categories

Questions about Typescript Tooling

What does Typescript Tooling do?

Development tools, linting, and build config for TypeScript. Typescript Tooling is an agent skill from HoangNguyen0403/agent-skills-standard. Development tools, linting, and build config for TypeScript.

When should I use Typescript Tooling?

Typescript Tooling fits situations like: configuring ESLint; any TS build tooling.

How do I install Typescript Tooling in Claude Code?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill typescript-tooling -a claude-code`. Or copy the skill folder (skills/typescript/typescript-tooling in HoangNguyen0403/agent-skills-standard) into .claude/skills/typescript-tooling in your project. Claude Code loads it when a task matches its description.

How do I install Typescript Tooling in Codex?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill typescript-tooling -a codex`. Or copy the skill folder (skills/typescript/typescript-tooling in HoangNguyen0403/agent-skills-standard) into .agents/skills/typescript-tooling in your project. Codex loads it when a task matches its description.

Can I use Typescript Tooling 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 HoangNguyen0403/agent-skills-standard --skill typescript-tooling -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/typescript-tooling, .gemini/skills/typescript-tooling, .github/skills/typescript-tooling and .opencode/skills/typescript-tooling in your project.

What does Typescript Tooling need to run?

Going by SKILL.md and its folder, Typescript Tooling needs the command-line tools its instructions call (tsc and eslint).

Does Typescript Tooling access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Typescript Tooling 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 Typescript Tooling use?

Typescript Tooling 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 Typescript Tooling use?

About 688 tokens (SKILL.md is roughly 2.8k 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 470 tokens, read only when the agent opens those files.

What are the alternatives to Typescript Tooling?

Skills that share tags, products or a category with Typescript Tooling: Npx CLI (jwynia/agent-skills, 170 stars), Create Saleor Package (saleor/apps, 162 stars), npm Package (jwynia/agent-skills, 170 stars) and Eslint Vitest Rule Tester (antfu-collective/eslint-vitest-rule-tester, 142 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Typescript Tooling?

HoangNguyen0403 (a GitHub user) maintains it in HoangNguyen0403/agent-skills-standard, which has 572 GitHub stars. The repository holds 211 skills in this directory. The repository was last updated on October 9, 2026.

Source: HoangNguyen0403/agent-skills-standard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.