Agent Skill · Contentful
ts-patterns
TypeScript patterns and idioms reference. Use when writing TypeScript and need a quick refresher on generics, discriminated unions, builder patterns, or error handling.
Skill body
ts-patterns
This skill provides reference information on demand.
MCP mode (preferred)
If you have MCP tools for this skill (e.g., mcp__ts-patterns__topic), use them:
- Call
topicsto list available reference topics. - Call
topicwith a topic name to retrieve its content.
Present the content to the user. Do not show raw tool calls.
CLI mode (fallback)
Resolve the absolute path to scripts/run
from this SKILL.md file’s directory. Use the absolute path in all commands — do not cd into the
skill directory. In the examples below, <skill>/scripts/run is a placeholder for this absolute path.
<skill>/scripts/run topic generics— Generics cheat sheet — constraints, conditional types, mapped types, infer<skill>/scripts/run topic discriminated-unions— Discriminated unions — type narrowing with literal discriminants<skill>/scripts/run topic builder-pattern— Builder pattern — fluent APIs with type accumulation<skill>/scripts/run topic error-handling— Error handling — Result types, custom errors, exhaustive matching
To list all available topics: <skill>/scripts/run
Skill frontmatter
metadata: {"version" => "1.0.0"}
argument-hint: [topic]
allowed-tools: Bash(scripts/run *) Read mcp__ts-patterns__topic mcp__ts-patterns__topics
paths: **/*.ts
Work with this as data
Every skill here is available over the APIs.io API and to AI agents over MCP.