breadth-chart-analyst

breadth-chart-analyst is a skill for Claude Code from nicepkg/ai-workflow. It costs 93 tokens per session (5,684 once invoked), scanned A, a copy of breadth-chart-analyst, MIT.

A market-breadth chart analyst for two US stock-market indicators: the share of S&P 500 stocks above their 200-day average and the share in an uptrend. Market breadth shows how widely a market move is supported by individual stocks.

In plain words
What is it for?
Assessing market strength, identifying entry or exit signals, and developing positioning guidance from supplied breadth-chart images.
Why use it?
It turns chart readings into medium-term and short-term views of market health. It also applies defined thresholds and historical strategy results to reduce subjective interpretation.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Assessing market strength, identifying entry or exit signals, and developing positioning guidance from supplied breadth-chart images.

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Install with agentmods
npx agentmods add skills/nicepkg/ai-workflow/breadth-chart-analyst
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 nicepkg/ai-workflow --skill breadth-chart-analyst
Clone the repo
git clone --depth 1 https://github.com/nicepkg/ai-workflow

Made for: Claude Code.

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 breadth-chart-analyst

README.md
[![agentmods](https://agentmods.dev/badge/skills/nicepkg/ai-workflow/breadth-chart-analyst/github.svg)](https://agentmods.dev/skills/nicepkg/ai-workflow/breadth-chart-analyst)
Your own site
<a href="https://agentmods.dev/skills/nicepkg/ai-workflow/breadth-chart-analyst"><img src="https://agentmods.dev/badge/skills/nicepkg/ai-workflow/breadth-chart-analyst/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 breadth-chart-analyst

Your own site · 80×15
<a href="https://agentmods.dev/skills/nicepkg/ai-workflow/breadth-chart-analyst"><img src="https://agentmods.dev/badge/skills/nicepkg/ai-workflow/breadth-chart-analyst.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 93 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,684 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.
Origin 91% copy Near-identical to another mod 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 $0.00093 $0.05684
Opus 5.5 $0.00037 $0.02274
Sonnet 5.5 $0.00019 $0.01137
Haiku 4.5 $0.00009 $0.00568

Measured 1mo ago against content hash 424e08dd581e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

breadth-chart-analyst 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 1mo 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

This is a copy

91% identical to breadth-chart-analyst — 99 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

workflows/stock-trader-workflow/.claude/skills/breadth-chart-analyst/SKILL.md · 584 lines

How it starts

The opening of the file, as written. The whole thing — 584 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Breadth Chart Analyst

Overview

This skill enables specialized analysis of two complementary market breadth charts that provide strategic (medium to long-term) and tactical (short-term) market perspectives. Analyze breadth chart images to assess market health, identify trading signals based on backtested strategies, and develop positioning recommendations. All thinking and output are conducted exclusively in English.

Core Principles

  1. Dual-Timeframe Analysis: Combine strategic (Chart 1: 200MA Breadth) and tactical (Chart 2: Uptrend Ratio) perspectives
  2. Backtested Strategy Focus: Apply proven systematic strategies based on historical patterns
  3. Objective Signal Identification: Focus on clearly defined thresholds, transitions, and markers
  4. English Communication: Conduct all analysis and generate all reports in English
  5. Actionable Recommendations: Provide specific positioning guidance for different investor types

Chart Types and Purposes

Chart 1: S&P 500 Breadth Index (200-Day MA Based)

Purpose: Medium to long-term strategic market positioning

Key Elements:

  • 8-Day MA (Orange Line): Short-term breadth trend, primary entry signal generator
  • 200-Day MA (Green Line): Long-term breadth trend, primary exit signal generator
  • Red Dashed Line (73%): Average peak level - market overheating threshold
  • Blue Dashed Line (23%): Average 8MA trough level - extreme oversold, excellent buying opportunity
  • Triangles:
    • Purple ▼ = 8MA troughs (buy signal when reverses)
    • Blue ▼ = 200MA troughs (major cycle lows)
    • Red ▲ = 200MA peaks (sell signal)
  • Pink Background: Downtrend periods

Backtested Strategy:

  • BUY: When 8MA reverses from a trough (especially below 23%)
  • SELL: When 200MA forms a peak (typically near/above 73%)
  • Result: Historically high performance, avoids bear markets

Chart 2: US Stock Market - Uptrend Stock Ratio

Purpose: Short-term tactical timing and swing trading

Read the full file on GitHub · 584 lines

Files

What ships with it

4 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. 1mo ago First seen · 584 lines · 93 tokens per session scan A 424e08dd581e

Subscribe to this mod's changes

breadth-chart-analyst is a skill published in the GitHub repository nicepkg/ai-workflow (288 stars, last pushed 9mo ago), licensed MIT. It adds 93 tokens to every session and 5,684 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 91% identical to breadth-chart-analyst, differing in 99 lines, and is treated as a copy.

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