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Found 9 Skills
Use when adding, changing, testing, or debugging Rust HTTP APIs and services, especially when Codex needs black-box integration tests, random-port app startup, real database test isolation, external HTTP mocks, or CI-ready cargo verification for Actix, Axum, Warp, Rocket, or similar Rust web frameworks.
Review Rust changes for correctness, memory and thread safety, error semantics, unnecessary allocation or cloning, lock scope, API compatibility, test gaps, documentation, and dependency risk, applying the Rust API Guidelines checklist (C-PANIC, C-UNWRAP, C-TRANSMUTE, C-BOOL, C-NEWTYPE, C-COMMON-TRAITS, C-CONVERT, C-SEALED, C-NON-EXHAUSTIVE). Use when reviewing Rust diffs, pull requests, libraries, unsafe boundaries, or production incidents; report actionable findings by severity before summaries, route automated formatting or lint policy to rust-style-clippy, and route API shape decisions (trait sealing, error taxonomy, newtype design, builder patterns) to rust-api-design.
Apply and diagnose Rust style, rustfmt, Clippy, compiler diagnostics, Edition migrations, lint policy, idiomatic control flow, error handling, allocation behavior, production Rust conventions, and the Rust API Guidelines ↔ Clippy lint mapping. Use when users ask to format or lint Rust, fix warning or error codes, migrate editions, review unwrap or clone usage, improve idioms, map a C-* API guideline rule to the enforcing Clippy lint, or establish CI quality gates. Route API shape decisions (naming conventions, type/trait design, module layout, full C-* guideline review) to the rust-api-design skill.
OpenAPI documentation skill for Rust APIs using utoipa with Axum framework. Use when building REST APIs with automatic OpenAPI spec generation and Scalar UI. Covers: (1) ToSchema derive for request/response types, (2) #[utoipa::path] for endpoint documentation, (3) OpenApi derive for combining specs, (4) Security schemes (JWT, API keys), (5) IntoParams for query/path params, (6) Scalar UI integration, (7) Response and error handling patterns. Triggers: utoipa, openapi, scalar, axum api, ToSchema, IntoParams, rust api docs.
Write Rust code in the style of Niko Matsakis, Rust language team lead. Emphasizes deep understanding of ownership, lifetimes, and the borrow checker. Use when working with complex lifetime scenarios or designing APIs that interact with the ownership system.
Teaches the assistant how to embed and execute external binaries (sidecars) in Tauri applications, including configuration, cross-platform executable naming, and Rust/JavaScript APIs for spawning sidecar processes.
Actix-web Rust web framework. Covers routing, extractors, middleware, state management, and WebSocket. Use for high-performance Rust APIs. USE WHEN: user mentions "actix-web", "actix", "rust web framework", "rust api", asks about "rust async web", "actix middleware", "actix extractors", "rust websocket", "high performance rust api" DO NOT USE FOR: Axum projects - use `axum` instead, Rocket projects - use `rocket` instead, Warp projects - use `warp` instead, non-Rust backends
Operate sponsored APIs and x402-style campaigns for PayloadExchange, including profile onboarding, sponsor campaign setup, task gating, sponsored API creation, proxy-paid usage, and creator telemetry logging.
Write idiomatic, robust, maintainable Rust. Use this skill whenever you write, review, refactor, debug, or explain Rust code: new crates, modules, functions, structs, traits, error types, async code, unsafe or FFI code, Cargo.toml, tests, or rustdoc. Trigger on any mention of Rust, cargo, crates, .rs files, the borrow checker, lifetimes, traits, clippy, or rustfmt, even when the user does not ask for "best practices" or "idiomatic" code. Synthesized from the Google Rust Style Guide, the Rust API Guidelines, Effective Rust, Rust Design Patterns, and Microsoft's Pragmatic Rust Guidelines.