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offensive-typesafety

Enforce compiler-checked type safety across TypeScript server, client, and database boundaries.

2|Updated Feb 23, 2026
Search Tags:#typescript#routing#orm#type-safety#api-design#schema-validation
One-click install
npx skills add https://github.com/jonmumm/skills --skill offensive-typesafety
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: offensive-typesafety
Source: https://github.com/jonmumm/skills/tree/main/offensive-typesafety
Command: npx skills add https://github.com/jonmumm/skills --skill offensive-typesafety

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Offensive Typesafety is the practice of using strong, compiler-enforced types to accelerate development by establishing strict boundaries that let you—and AI code generators—move fast without breaking things.

Core Features & Use Cases

  • Type-Safe Routing (e.g., explicit routes and parametrized paths) to prevent runtime route mismatches.
  • Validated External Inputs (e.g., schemas with Zod) to enforce contracts at the boundaries of the system.
  • Unified Server/Client Boundaries through shared type contracts and RPC-like patterns to keep the frontend and backend in sync.
  • End-to-End Database Types via ORM-driven schemas to keep database and application types in lockstep.

Quick Start

Configure a new module with strong types, add a type-safe route, validate inputs with a schema, and wire a typed server route to the client.

Frequently Asked Questions about offensive-typesafety

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I enforce end-to-end type safety across server, client, and database boundaries in TypeScript?▼

End-to-end type safety across server, client, and database boundaries is achieved by using ORM-driven schemas for database types, shared type contracts for server/client cohesion, and schema validation to enforce system boundaries in TypeScript.

What is the best way to prevent runtime route mismatches in TypeScript API routing?▼

Preventing runtime route mismatches requires type-safe routing with explicit routes and parametrized paths, ensuring compiler-checked boundaries that catch routing errors during development rather than at runtime.

How do I validate external inputs and enforce API contracts using TypeScript?▼

Validating external inputs and enforcing API contracts is done by applying schema validation, such as schemas with Zod, to enforce strict boundaries and validate data entering the system.

Does this type safety approach require a specific ORM to keep database and application types in lockstep?▼

The approach uses ORM-driven schemas to generate end-to-end database types, ensuring database and application types remain synchronized without specifying a particular ORM dependency.

Can I unify server and client boundaries without manual type duplication in modern TypeScript projects?▼

Unifying server and client boundaries without manual duplication utilizes shared type contracts and RPC-like patterns, keeping frontend and backend in strict sync through compiler-enforced types.

Why use compiler-enforced types for accelerating TypeScript API design and schema validation?▼

Using compiler-enforced types for API design and schema validation accelerates development by establishing strict boundaries, allowing you and AI code generators to move fast without breaking things.

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