savings

savings is a skill for Claude Code, Codex from stuinfla/ruvnet-brain. It costs 118 tokens per session (657 once invoked), scanned A, original, no licence file.

A report showing how the MetaHarness task router chose models for work. It lists the model used, what that choice replaced, the savings percentage and dollar amount, and the router’s training state.

In plain words
What is it for?
Use it to view savings, routing receipts, model choices, displaced alternatives, or the MetaHarness router’s current training state.
Why use it?
It makes model-routing decisions and their reported savings visible instead of leaving them unexplained. This helps inspect whether the routing system is learning and what it is displacing.

Skill for Claude CodeCodex

Part of the ruvnet-brain plugin — 9 skills, 5 commands, 7 hooks, 1 MCP server shipped together

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/stuinfla/ruvnet-brain/savings
Any agent
npx skills add stuinfla/ruvnet-brain --skill savings
Clone the repo
git clone --depth 1 https://github.com/stuinfla/ruvnet-brain

Made for: Claude Code, Codex.

Or install ruvnet-brain, the plugin that ships this one along with the rest of its 9 skills, 5 commands, 7 hooks, 1 MCP server.

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 savings

README.md
[![agentmods](https://agentmods.dev/badge/skills/stuinfla/ruvnet-brain/savings.svg)](https://agentmods.dev/skills/stuinfla/ruvnet-brain/savings)
Your own site
<a href="https://agentmods.dev/skills/stuinfla/ruvnet-brain/savings"><img src="https://agentmods.dev/badge/skills/stuinfla/ruvnet-brain/savings.svg" alt="Measured on agentmods" height="20"></a>
Per session 118 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 657 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 5.1 $0.00118 $0.00657
Opus 5 $0.00059 $0.00329
Sonnet 5 $0.00024 $0.00131
Haiku 4.5 $0.00012 $0.00066

Measured 5d ago against content hash 09b1adaea544, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

savings 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 5d 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.

plugin/skills/savings/SKILL.md · 47 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

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. 5d ago First seen · 47 lines · 118 tokens per session scan A 09b1adaea544

Subscribe to this mod's changes

savings is a skill published in the GitHub repository stuinfla/ruvnet-brain (65 stars, last pushed yesterday), with no licence file. It adds 118 tokens to every session and 657 once invoked, about $0.0006 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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