job_health

job_health is a skill for Claude Code, Codex from DeepLink-org/probing. It costs 19 tokens per session (467 once invoked), scanned A, original, Apache-2.0.

A whole-job health check for distributed training that reviews live nodes, step progress, rank imbalance, communication trends, and training-step timing.

In plain words
What is it for?
Use it to find dead nodes, ranks that lag behind, rising communication time, uneven step speed, and overall slowdown across recent steps.
Why use it?
It shows whether the training job is slowing down or approaching a hang, instead of focusing on one rank or one communication event.

Skill for Claude CodeCodex

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

Good fit Use it to find dead nodes, ranks that lag behind, rising communication time, uneven step speed, and overall slowdown across recent steps.

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Install with agentmods
npx agentmods add skills/deeplink-org/probing/job_health
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 DeepLink-org/probing --skill job_health
Clone the repo
git clone --depth 1 https://github.com/DeepLink-org/probing

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 job_health

README.md
[![agentmods](https://agentmods.dev/badge/skills/deeplink-org/probing/job_health/github.svg)](https://agentmods.dev/skills/deeplink-org/probing/job_health)
Your own site
<a href="https://agentmods.dev/skills/deeplink-org/probing/job_health"><img src="https://agentmods.dev/badge/skills/deeplink-org/probing/job_health/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for job_health

Your own site · 80×15
<a href="https://agentmods.dev/skills/deeplink-org/probing/job_health"><img src="https://agentmods.dev/badge/skills/deeplink-org/probing/job_health.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 467 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 pass 7 Sept 2026
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 $0.00019 $0.00467
Opus 5 $0.00010 $0.00234
Sonnet 5 $0.00004 $0.00093
Haiku 4.5 $0.00002 $0.00047

Measured 11d ago against content hash a3a94dfd4441, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

job_health 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 11d 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.

python/probing/bundled_skills/job_health/SKILL.md · 49 lines

What it actually says

Job health & slowdown

整 job 视角看训练是否健康,而不是单个 rank 的单次 collective。

看什么

步骤 含义
cluster_snapshot 多少节点 alive / dead
rank_step_lag 哪些 rank 的 global_step 明显落后(hang 信号)
job_slowdown_proxy 各 step 上最慢 rank vs 最快 rank 的比值均值(§ federation 3.2)
comm_trend_by_step 最近 step 通信总耗时是否爬升
train_step_pacing train.step span 的 wall time(若已开启 phase hook)

Parameters

  • step_window (default 200): 分析最近多少 global_step
  • step_lag_threshold (default 5): 落后 cluster max step 多少步算异常
  • use_global (default true): rank0 上 fan-out 到全集群

用法

probing -t rank0:8080 skill run job_health --global
probing -t rank0:8080 skill run job_health --set step_window=500
  • 长期最慢 rank → persistent_straggler
  • 当前 step 谁慢 → slow_rank
  • 进程卡住 → training_hang
Files

What ships with it

1 file 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. 11d ago First seen · 49 lines · 19 tokens per session scan A a3a94dfd4441

Subscribe to this mod's changes

job_health is a skill published in the GitHub repository DeepLink-org/probing (11 stars, last pushed 5d ago), licensed Apache-2.0. It adds 19 tokens to every session and 467 once invoked, about $0.0001 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 2026-08-30.

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