Developer Tools & Repos Agent Skills for Codex CLI

Use when Rust error handling with Result, Option, custom errors, thiserror, and anyhow.

When to activate: Rust generics, trait bounds, associated types, GATs, where clauses, PhantomData, higher-ranked trait bounds, type system

Rust GPU Compute Development Guide — helps developers write GPU-accelerated Rust code with correct data-parallel patterns and awareness of…

When to activate: Rust modules, Cargo.toml, workspaces, crate organization, pub visibility, use declarations, features, dependencies

When to activate: Rust performance, profiling, zero-cost abstractions, iterators, SIMD, memory layout, flamegraph, allocation optimization

Guide for writing Rust code covering ownership, borrowing, lifetimes, error handling, async programming, and Rust best practices

When to activate: Rust serde, JSON, serialization, deserialization, custom serialize, rename, flatten, skip, default, serde_json, toml…

Provides expert guidance on Rust programming, focusing on memory safety, concurrency patterns, and idiomatic architectural choices for…

When to activate: Rust web development, axum, actix-web, HTTP server, REST API, middleware, routing, handlers

SaaS architecture, multi-tenancy, and subscription management

Build, package, test, and reason about Safari Web Extensions for iOS, iPadOS, and macOS.

Complete guide to handling safe areas in Capacitor apps for iPhone notch, Dynamic Island, home indicator, and Android cutouts.

Generates Saga pattern components for PHP 8.4.

Saga Pattern knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for saga orchestration, choreography, and…

Saga patterns for distributed transactions with orchestration and choreography approaches.

Create, revise, review, and finalize portable SagaSmith Module or rules Packs for the current sagasmith.content-package v2 contract…

Run persistent D&D 5e 2014/2024 campaigns through SagaSmith's source-bound MCP runtime.

Sage HR integration via Apideck's HRIS, ATS unified API — same methods work across every connector in HRIS, ATS, switch by changing…

Sage Intacct integration via Apideck's Accounting unified API — same methods work across every connector in Accounting, switch by changing…

Comprehensive REST API design review with automated linting, breaking-change detection, and design scorecards.

Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture.