miles-rl-training

miles-rl-training is a skill for Claude Code, Codex from davila7/claude-code-templates. It costs 51 tokens per session (2,424 once invoked), scanned A, original, MIT.

A production-focused framework for reinforcement-learning training of very large language models, especially mixture-of-experts models. It supports low-precision training, where numbers use fewer bits to reduce memory and computation.

In plain words
What is it for?
Use it to post-train large MoE models, run FP8 or INT4-aware training, and improve rollout speed in reinforcement-learning workflows.
Why use it?
It addresses the memory, stability, and training-versus-inference consistency problems that appear when training extremely large models.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to post-train large MoE models, run FP8 or INT4-aware training, and improve rollout speed in reinforcement-learning workflows.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/davila7/claude-code-templates/post-training-miles
About the project

Claude Code Templates is a command-line tool and catalogue for configuring Anthropic’s Claude Code with agents, commands, settings, hooks, integrations, skills, and project templates. Developers use it to browse and install reusable components for their coding workflows. The catalogue includes many of these Claude Code components.

davila7/claude-code-templates · 30,559 stars · on GitHub · aitmpl.com

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add davila7/claude-code-templates --skill post-training-miles
Clone the repo
git clone --depth 1 https://github.com/davila7/claude-code-templates

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for miles-rl-training

README.md
[![agentmods](https://agentmods.dev/badge/skills/davila7/claude-code-templates/post-training-miles.svg)](https://agentmods.dev/skills/davila7/claude-code-templates/post-training-miles)
Your own site
<a href="https://agentmods.dev/skills/davila7/claude-code-templates/post-training-miles"><img src="https://agentmods.dev/badge/skills/davila7/claude-code-templates/post-training-miles.svg" alt="Measured on agentmods" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,424 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 3 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Privilege Escalation · line 50
    Potential security issue detected. Manual review is recommended.
    Fix: Review the flagged content for security risks. Ensure no credentials, secrets, or sensitive data are exposed.
  • medium MCP Rug Pull · line 49
    Docker image references without a specific tag (:latest is implicit) or digest (@sha256:...) can be silently replaced by a malicious image.
    Fix: Pin the image: image:tag or image@sha256:abc123
  • medium MCP Rug Pull · line 50
    Docker image references without a specific tag (:latest is implicit) or digest (@sha256:...) can be silently replaced by a malicious image.
    Fix: Pin the image: image:tag or image@sha256:abc123
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00051 $0.02424
Opus 5 $0.00026 $0.01212
Sonnet 5 $0.00010 $0.00485
Haiku 4.5 $0.00005 $0.00242

Measured 4d ago against content hash cbf610faa37b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

miles-rl-training scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

4 near-identical copies found in the catalogue:

cli-tool/components/skills/ai-research/post-training-miles/SKILL.md · 316 lines

How it starts

The opening of the file, as written. The whole thing — 316 lines — stays where its author put it; the contents beside it link to each section on GitHub.

miles: Enterprise-Grade RL for Large-Scale Model Training

miles is a high-performance, enterprise-ready RL framework optimized for large-scale model post-training. Built as a production fork of slime, it addresses critical challenges in MoE training stability, low-precision training, and train-inference alignment.

When to Use miles

Choose miles when you need:

  • Training 1TB+ MoE models (DeepSeek V3, Qwen3-MoE)
  • FP8 or INT4 quantization-aware training
  • Bit-wise identical train-inference alignment
  • Speculative RL for maximum throughput
  • Production stability with enterprise support

Consider alternatives when:

  • You want the research-grade original → use slime
  • You need flexible backend swapping → use verl
  • You want PyTorch-native abstractions → use torchforge

Key Features

Low-Precision Training

  • Unified FP8: End-to-end FP8 for both inference and training
  • INT4 QAT: 1TB models on single-machine VRAM (H200)
  • Rollout Routing Replay (R3): Bit-wise expert alignment for MoE

Performance Optimizations

  • Speculative RL: 25%+ rollout speedup with online SFT draft models
  • Zero-Copy Weight Sync: CUDA IPC zero-copy mapping
  • Partial Rollout: Recycle half-finished trajectories

Train-Inference Alignment

  • TIS/MIS: Truncated/Masked Importance Sampling for off-policy correction
  • Kernel-level optimization: FlashAttention-3, DeepGEMM integration

Installation

# Recommended: Docker
docker pull radixark/miles:latest
docker run --rm --gpus all --ipc=host --shm-size=16g \
  -it radixark/miles:latest /bin/bash

# From source
git clone https://github.com/radixark/miles.git
cd miles
pip install -r requirements.txt
pip install -e .

Quick Start

miles inherits slime's configuration system. Basic training:

python train.py \
    --advantage-estimator grpo \
    --model-name qwen3-30b-a3b \
    --hf-checkpoint /path/to/qwen3-30b-a3b-hf \
    --rollout-batch-size 512 \
    --n-samples-per-prompt 8

Read the full file on GitHub · 316 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 316 lines · 51 tokens per session scan A cbf610faa37b

Subscribe to this mod's changes

miles-rl-training is a skill published in the GitHub repository davila7/claude-code-templates (30,559 stars, last pushed today), licensed MIT. It adds 51 tokens to every session and 2,424 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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