metrics-tokens

metrics-tokens is a skill for Claude Code, Codex from jmagly/aiwg. It costs 19 tokens per session (1,636 once invoked), scanned A, original, MIT.

A report that compares AIWG token use with a fixed MetaGPT benchmark and breaks usage down by workflow step.

In plain words
What is it for?
Use it to check token efficiency, find high-cost steps, and get optimization suggestions.
Why use it?
It shows where an AI-assisted workflow uses more tokens than expected and where usage may be reduced.

Skill for Claude CodeCodex

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

Good fit Use it to check token efficiency, find high-cost steps, and get optimization suggestions.

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Install with agentmods
npx agentmods add skills/jmagly/aiwg/metrics-tokens
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 jmagly/aiwg --skill metrics-tokens
Clone the repo
git clone --depth 1 https://github.com/jmagly/aiwg

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 metrics-tokens

README.md
[![agentmods](https://agentmods.dev/badge/skills/jmagly/aiwg/metrics-tokens/github.svg)](https://agentmods.dev/skills/jmagly/aiwg/metrics-tokens)
Your own site
<a href="https://agentmods.dev/skills/jmagly/aiwg/metrics-tokens"><img src="https://agentmods.dev/badge/skills/jmagly/aiwg/metrics-tokens/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 metrics-tokens

Your own site · 80×15
<a href="https://agentmods.dev/skills/jmagly/aiwg/metrics-tokens"><img src="https://agentmods.dev/badge/skills/jmagly/aiwg/metrics-tokens.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 1,636 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 $0.01636
Opus 5 $0.00010 $0.00818
Sonnet 5 $0.00004 $0.00327
Haiku 4.5 $0.00002 $0.00164

Measured 9d ago against content hash 393403c9a8a9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

metrics-tokens 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 9d 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.

agentic/code/addons/aiwg-utils/skills/metrics-tokens/SKILL.md · 218 lines

How it starts

The opening of the file, as written. The whole thing — 218 lines — stays where its author put it; the contents beside it link to each section on GitHub.

metrics-tokens

You perform deep analysis of token usage efficiency. You compare AIWG workflow token consumption against the MetaGPT 124 tokens/line benchmark (REF-013), identify high-cost operations, and surface optimization opportunities.

Triggers

Alternate expressions and non-obvious activations (primary phrases are matched automatically from the skill description):

  • "how efficient are my tokens" → efficiency ratio vs MetaGPT baseline
  • "am I above the baseline" → threshold status check
  • "where are tokens being wasted" → per-step breakdown with recommendations
  • "token ratio" → tokens/line ratio calculation

Trigger Patterns Reference

Pattern Example Action
Efficiency report "token efficiency" aiwg metrics-tokens
Session analysis "analyze tokens for this session" aiwg metrics-tokens --session current
Threshold check "are we at green" aiwg metrics-tokens --threshold
Per-step breakdown "which step used the most tokens" aiwg metrics-tokens --by-step
Optimization hints "suggest token optimizations" aiwg metrics-tokens --optimize

Behavior

When triggered:

  1. Determine scope:

    • Default: current or most recent session
    • --session <name>: named session
    • --all: aggregate across all sessions
  2. Load token data:

    • Read .aiwg/ralph/sessions/*/metrics.json for raw token counts
    • Apply estimation heuristic: 4 chars per token (aligned with src/metrics/token-counter.ts)
  3. Compute efficiency metrics:

    • Tokens/line ratio for session output
    • vsBenchmark: percentage vs MetaGPT 124 tokens/line (negative = better)
    • vsBaseline: percentage vs typical LLM 200 tokens/line (negative = better)
    • Threshold status: green (≤124), yellow (125–150), red (>150)
  4. Run the command:

    # Default efficiency report
    aiwg metrics-tokens
    
    # Current session
    aiwg metrics-tokens --session current
    
    # Per-step breakdown
    aiwg metrics-tokens --by-step
    
    # With optimization suggestions
    aiwg metrics-tokens --optimize
    
    # JSON output
    aiwg metrics-tokens --json
    

Read the full file on GitHub · 218 lines

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. 9d ago First seen · 218 lines · 19 tokens per session scan A 393403c9a8a9

Subscribe to this mod's changes

metrics-tokens is a skill published in the GitHub repository jmagly/aiwg (211 stars, last pushed 2d ago), licensed MIT. It adds 19 tokens to every session and 1,636 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 2026-09-03.