An Asynchronous Reinforcement Learning Engine for Omni-Modal Post-Training at Scale
Skill Claude CodeCodex
Expert code review of current git changes with a senior engineer lens. Detects SOLID violations, security risks, Python anti-patterns, and ML/distributed training issues. Tailored for the Relax reinforcement learning framework.
Skill Claude CodeCodex
Guide for creating Claude Code skills following Anthropic's official best practices. Use when user wants to create a new skill, build a skill, write SKILL.md, update an existing skill, or needs skill creation guidelines. Provides structure, frontmatter fields, naming conventions, and new features like dynamic context…
Skill Claude CodeCodex
A troubleshooting workflow for Ray, a system that runs machine-learning jobs across multiple computers or GPUs, when a distributed training job stops making progress.
Skill Claude CodeCodex
Develop and debug the Relax reinforcement learning project. Use this skill whenever modifying code in the relax/ directory, or running remote training jobs on a Ray cluster for validation. Also use it when the user mentions training, debugging training runs, submitting Ray jobs, or fixing training errors.
Skill Claude CodeCodex
Write and maintain bilingual (English + Chinese) documentation for the Relax project. Use when user asks to create, update, or translate documentation pages. Ensures format correctness (VitePress, sidebar config, bilingual parity) and content correctness (matches actual codebase, no fabricated features).
Skill Claude CodeCodex
Creates git commits following Conventional Commits format with type/scope/subject and detailed markdown body. Use when user wants to commit changes, create commit, save work, or stage and commit. Enforces project-specific conventions from CLAUDE.md. Each change type gets its own markdown heading (# emoji + type), with…
Skill Claude CodeCodex
Guide for integrating a new model into the Relax training pipeline. Use when adding a new model architecture, writing Megatron-to-HF weight converters, implementing custom TP all-gather/chunk logic, debugging weight sync issues, or adapting models for colocate or fully-async mode. Covers Megatron backend (bridge and…
Skill Claude CodeCodex
Integrate a new NVIDIA NeMo Gym environment into Relax as a three-step recipe. Use when adding or debugging a recipe under examples/nemogymagentic/recipes; covers data preparation, a local private Gym service, direct Ray training launch, verifier validation, callback networking, lifecycle cleanup, and failure triage.
Skill Claude CodeCodex
Diagnose Relax training launch scripts for misconfigured flags that hurt performance (time/MFU) or waste GPU memory (cards needed). Use when user asks to review/audit/check a training script, mentions "perf doctor", suspects a config is slow or OOM-prone, or wants a sanity check before launching. Produces a…
Skill Claude CodeCodex
Migrate RL training algorithms from RedAccel to Relax framework. Use when user wants to port reward functions, agent environments, training scripts, or any algorithm code from the RedAccel (redaccelrl) codebase to Relax. Handles reward, environment, rollout, and launch script conversion.
Skill Claude CodeCodex
Upgrade the sglang version used by Relax's training Docker image. Use when bumping/upgrading sglang (changing the base image tag), rebasing docker/patch/latest/sglang.patch onto a new sglang release, or porting Relax's sglang customizations forward to a new version. Covers the version-determination mechanism, using…
Skill Claude CodeCodex
3-step debug loop for remote Ray cluster — submit task via SSH, check logs locally, analyze errors and fix code, repeat until resolved.
Skill Claude CodeCodex
Use when syncing Relax code between internal GitLab and external GitHub, especially gitlab/dev, gitlab/main, github/main, internal CR/MR handoff, linear main history, sensitive-content checks, GitHub Actions CI validation, or guarded GitHub pushes.
Skill Claude CodeCodex
Migrate RL training recipes from verl to Relax framework. Use when user wants to port reward functions, tool environments, training scripts, or any recipe code from the verl (volcengine/verl) codebase to Relax. Handles reward, rollout, tool/env, dataset, and launch script conversion. Supports both colocate (default)…
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