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.
npx skills add nimadorostkar/Claude-Skills-collection --skill market-breadthgit clone --depth 1 https://github.com/nimadorostkar/Claude-Skills-collectionWrote 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.
[](https://agentmods.dev/skills/nimadorostkar/claude-skills-collection/market-breadth)<a href="https://agentmods.dev/skills/nimadorostkar/claude-skills-collection/market-breadth"><img src="https://agentmods.dev/badge/skills/nimadorostkar/claude-skills-collection/market-breadth/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.
<a href="https://agentmods.dev/skills/nimadorostkar/claude-skills-collection/market-breadth"><img src="https://agentmods.dev/badge/skills/nimadorostkar/claude-skills-collection/market-breadth.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00044 | $0.01456 |
| Opus 5 | $0.00022 | $0.00728 |
| Sonnet 5 | $0.00009 | $0.00291 |
| Haiku 4.5 | $0.00004 | $0.00146 |
Grade A, and why
market-breadth 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.
How it starts
The opening of the file, as written. The whole thing — 128 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Market Breadth
Purpose
Determine whether a market move is broad or narrow. An index at a new high driven by five stocks while most constituents are falling is a different market from an index at a new high with broad participation — and the index price alone cannot tell you which one you are in.
When to Use
- Assessing whether an advance is healthy or narrowing.
- Looking for divergence between the index and its internals.
- Confirming a bottom or identifying a distribution phase.
- Setting overall exposure based on market health.
Capabilities
- Advance-decline line and its divergence from price.
- New highs versus new lows.
- Percentage of constituents above their moving averages.
- Equal-weight versus cap-weight index comparison.
- Volume breadth: up volume versus down volume.
Inputs
- Constituent-level data for the index, not just the index price.
- A long enough history to establish what is normal.
Outputs
- A characterization: broadening, narrowing, or neutral.
- Any divergence between the index and its internals.
- An implication for exposure.
Workflow
- Compare the index with the equal-weight version — Cap-weighted rising while equal-weighted falls means a handful of large constituents are carrying the index. This is the fastest breadth read available and requires two data series.
- Track the advance-decline line — Cumulative advancers minus decliners. When it diverges from the index — the index makes a new high, the A/D line does not — participation is narrowing.
- Watch new highs versus new lows — In a healthy advance, new highs expand. New highs contracting while the index rises is deterioration.
- Measure the percentage above the 200-day — A broad advance has most constituents above their long-term average. An index at a high with 45% of constituents above their 200-day is being carried.
- Act on the divergence, not on the level — Breadth is a warning system, not a timing tool. Narrowing breadth can persist for months. It argues for reduced size, not for a short.
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.
- 9d ago First seen · 128 lines · 44 tokens per session scan A c57dc66e22ae
market-breadth is a skill published in the GitHub repository nimadorostkar/Claude-Skills-collection (26 stars, last pushed 25d ago), licensed MIT. It adds 44 tokens to every session and 1,456 once invoked, about $0.0002 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.
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