ravnhq/lang-typescript
skills/universal/lang-typescript/SKILL.md
TypeScript language patterns and type safety rules — strict mode, no any, discriminated unions. Use when writing TypeScript code, reviewing types, or enforcing type safety.
$ install --global
skillsauthnpx skillsauth add ravnhq/ai-toolkit lang-typescriptInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
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CrowdStrikeAdvanced threat intelligence
50%
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OSV-ScannerOpen Source Vulnerability database check
50%
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OWASP Dep-Check
50%
Last scanned: Apr 25, 2026, 8:11 AM135.2s7 files scanned
SKILL.md
- name:
- lang-typescript
- description:
- TypeScript language patterns and type safety rules — strict mode, no
- category:
- universal
- extends:
- core-coding-standards
- status:
- ready
- version:
- 4
Principles
- Enable strict mode — no implicit any, strict null checks
- Prefer discriminated unions over type assertions
- Use
unknownoverany— narrow with type guards
Rules
See rules index for detailed patterns.
Examples
Positive Trigger
User: "Replace unsafe any usage with discriminated unions in this module."
Expected behavior: Use lang-typescript guidance, follow its workflow, and return actionable output.
Non-Trigger
User: "Design REST route naming conventions for a new backend."
Expected behavior: Do not prioritize lang-typescript; choose a more relevant skill or proceed without it.
Troubleshooting
Skill Does Not Trigger
- Error: The skill is not selected when expected.
- Cause: Request wording does not clearly match the description trigger conditions.
- Solution: Rephrase with explicit domain/task keywords from the description and retry.
Guidance Conflicts With Another Skill
- Error: Instructions from multiple skills conflict in one task.
- Cause: Overlapping scope across loaded skills.
- Solution: State which skill is authoritative for the current step and apply that workflow first.
Output Is Too Generic
- Error: Result lacks concrete, actionable detail.
- Cause: Task input omitted context, constraints, or target format.
- Solution: Add specific constraints (environment, scope, format, success criteria) and rerun.
Workflow
- Identify whether the request clearly matches
lang-typescriptscope and triggers. - Apply the skill rules and referenced guidance to produce a concrete result.
- Validate output quality against constraints; if gaps remain, refine once with explicit assumptions.
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