codex

Rust Expert

Expert Rust 1.96+ with 2024 edition, ownership, error handling, async/tokio, axum backends, cargo tooling, and SOLID principles.

2 on GitHubby Fusenginev1.0.21MITupdated 1 month agoFramework

Plugin rust-expert in fusengine/codex. Commands read from the repo's manifest — 1 month ago.

This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.

What it installs

Skills (7)

  • rust-async-concurrency

    Use when writing async Rust — spawning tasks, sharing state across tasks/threads, choosing channels vs mutexes, or hitting Send-bound errors with async traits. Not for HTTP service structure (rust-web-backend) or sync-only ownership (rust-core-language).

  • rust-core-language

    Use when writing or reviewing idiomatic Rust — edition 2024 ownership/borrowing design, or fixing LLM pitfalls (clone tax, unwrap infestation, indexed loops). Not for error-type design (rust-error-handling) or SOLID layout (solid-rust).

  • rust-ecosystem-crates

    Use when choosing crates for a Rust project — serialization, CLI, async runtime, web, database, HTTP client, error handling, observability. Not for API usage details of an already-chosen crate.

  • rust-error-handling

    Use when designing Rust error handling — thiserror vs anyhow, typed error enums, #[from] conversions, or recoverable errors vs panics. Not for ownership/borrowing (rust-core-language).

  • rust-testing-quality

    Use when writing, organizing, or running Rust tests — unit, integration, doc-tests, proptest, criterion benchmarks, or cargo-mutants. Not for CI pipeline wiring (rust-tooling-cicd).

  • rust-tooling-cicd

    Use when structuring a Cargo workspace or building a Rust CI pipeline — fmt, clippy, cargo-deny/audit, nextest, coverage, MSRV. Not for writing the tests themselves (rust-testing-quality).

  • rust-web-backend

    Use when building a REST/HTTP backend in Rust — axum routing, extractors, shared state, middleware, error responses, sqlx database access. Not for raw async/concurrency (rust-async-concurrency).

Hooks (2)

  • PreToolUse

    bun "${CODEX_HOME:-$HOME/.codex}/node_modules/@fusengine/harness/dist/cli/bin.mjs" hook codex core

  • PostToolUse

    bun "${CODEX_HOME:-$HOME/.codex}/node_modules/@fusengine/harness/dist/cli/bin.mjs" hook codex core

View source on GitHub

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