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Typescript Strict Mode

Category: Engineering  ·  Sub-category: languages  ·  Last updated:
lang:typescripttype:review
This skill should be used when configuring TypeScript projects, creating or reviewing tsconfig.json, enabling strict mode, asking what TypeScript compiler flags do, setting up a new TypeScript project for production, or reviewing existing TypeScript configuration. Trigger on: "configure tsconfig", "enable strict mode", "what does strictNullChecks do", "noUncheckedIndexedAccess", "exactOptionalPropertyTypes", "verbatimModuleSyntax", "TypeScript configuration best practices", "strict mode options", "tsconfig for production", "compiler options", "noImplicitAny", "useUnknownInCatchVariables", "noImplicitOverride".

From the source SKILL.md

The TypeScript compiler configuration is the project's constitutional framework. strict: true activates a suite of sub-options that collectively enforce a "narrow corridor" of logic—making it structurally difficult for developers or AI agents to introduce common classes of runtime bugs.

What this skill does

Typescript Strict Mode is a community-contributed Claude Code skill in the languages sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/typescript-strict-mode/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Typescript Strict Mode Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/typescript-strict-mode
curl -L https://claudskills.com/skills/typescript-strict-mode/SKILL.md \
  -o ~/.claude/skills/typescript-strict-mode/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/typescript-strict-mode/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/typescript-strict-mode/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\typescript-strict-mode\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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