trainer

A workflow skill that runs queued configuration tasks, records what happened, and identifies the best result.

In plain words
What is it for?
Use it to execute configuration experiments, keep their results together, and find the strongest outcome.
Why use it?
It removes the need to run each queued task and track its outcome by hand.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/marcelo5444/agentic_learning/trainer
Any agent
npx skills add Marcelo5444/agentic_learning --skill trainer
Clone the repo
git clone --depth 1 https://github.com/Marcelo5444/agentic_learning

Made for: Claude Code, Codex.

Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 855 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00000 $0.00855
Opus 5 $0.00000 $0.00428
Sonnet 5 $0.00000 $0.00171
Haiku 4.5 $0.00000 $0.00085

Measured 3d ago against content hash 138e6da080f8, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

trainer 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 3d 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.

skills/trainer/SKILL.md · 79 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 3d ago First seen · 79 lines · 0 tokens per session scan A 138e6da080f8

Subscribe to this mod's changes

trainer is a skill published in the GitHub repository Marcelo5444/agentic_learning (52 stars, last pushed 3mo ago), with no licence file. It costs nothing until one of its globs matches a file; then it loads 855 tokens. 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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