trader-hand-skill

trader-hand-skill is a skill for Claude Code, Codex from RightNow-AI/openfang. It costs 28 tokens per session (11,286 once invoked), scanned D, original, Apache-2.0.

A reference guide for market analysis and trading, including chart indicators, risk management, the Alpaca trading API, and financial data sources.

In plain words
What is it for?
Use it to interpret indicators such as RSI, assess trading risks, work with Alpaca, and use financial data when analysing markets.
Why use it?
It gives an agent established trading concepts and formulas in one place, so it does not need to work them out from scratch.

Skill for Claude CodeCodex

About the project

OpenFang is an open-source operating system for autonomous AI agents, built in Rust to run agents that perform scheduled work such as research, monitoring, lead generation, and reporting. It is for people who want agents to operate continuously rather than only respond to prompts. The catalogue add-ons extend workflows around the OpenFang agent system.

RightNow-AI/openfang · 18,166 stars · on GitHub

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/rightnow-ai/openfang/trader
Any agent
npx skills add RightNow-AI/openfang --skill trader
Clone the repo
git clone --depth 1 https://github.com/RightNow-AI/openfang

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 trader-hand-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/rightnow-ai/openfang/trader.svg)](https://agentmods.dev/skills/rightnow-ai/openfang/trader)
Your own site
<a href="https://agentmods.dev/skills/rightnow-ai/openfang/trader"><img src="https://agentmods.dev/badge/skills/rightnow-ai/openfang/trader.svg" alt="Measured on agentmods" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 11,286 The whole file, excluding the scripts and references it only reads on demand.
Security scan D 3 findings. Scan, not verified.
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 $0.00028 $0.11286
Opus 5 $0.00014 $0.05643
Sonnet 5 $0.00006 $0.02257
Haiku 4.5 $0.00003 $0.01129

Measured 5d ago against content hash cae8909d1696, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade D, and why

trader-hand-skill scanned grade D with 3 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.

Sends data to an external URLmediumData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

curl -s "$DATA_URL/v2/stocks/AAPL/bars?timeframe=5Min&start=$(date -d 'today' +%Y-%m-%d)&limit=78" $HEADERS

Downloads and executes remote codehighSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

curl -s URL | python3 -c "import sys,json; d=json.load(sys.stdin); print(d['equity'])"

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s "$BASE_URL/v2/account" $HEADERS
Origin

Copies of this mod

2 near-identical copies found in the catalogue:

crates/openfang-hands/bundled/trader/SKILL.md · 938 lines

How it starts

The opening of the file, as written. The whole thing — 938 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Trading Expert Knowledge

Reference Knowledge

1. Technical Analysis Indicators Reference

RSI (Relative Strength Index)

Formula: RSI = 100 - (100 / (1 + RS))
Where:  RS = Average Gain / Average Loss over N periods (default N = 14)

Step-by-step calculation:
  1. For each period, compute change = Close(t) - Close(t-1)
  2. Gains = max(change, 0), Losses = abs(min(change, 0))
  3. First average: simple mean of first 14 gains/losses
  4. Subsequent: AvgGain = (PrevAvgGain * 13 + CurrentGain) / 14  (Wilder smoothing)
  5. RS = AvgGain / AvgLoss
  6. RSI = 100 - (100 / (1 + RS))

Worked example (14-period):
  Avg Gain over 14 periods = 1.02
  Avg Loss over 14 periods = 0.68
  RS = 1.02 / 0.68 = 1.50
  RSI = 100 - (100 / (1 + 1.50)) = 100 - 40 = 60.0

Interpretation:

  • RSI < 30: Oversold territory (potential buy signal)
  • RSI > 70: Overbought territory (potential sell signal)
  • RSI = 50: Neutral — price momentum balanced

Advanced RSI Signals:

Signal Description Strength
Bearish divergence Price makes new high, RSI makes lower high Strong reversal warning
Bullish divergence Price makes new low, RSI makes higher low Strong reversal warning
Bullish failure swing RSI drops below 30, bounces, pulls back above 30, breaks prior RSI high Very strong buy
Bearish failure swing RSI rises above 70, drops, bounces below 70, breaks prior RSI low Very strong sell
Range shift RSI oscillates 40-80 in uptrend, 20-60 in downtrend Trend confirmation

Best practices: Never use RSI as a sole signal. Combine with trend direction (moving averages) and volume. In strong trends, RSI can stay overbought/oversold for extended periods.


MACD (Moving Average Convergence Divergence)

MACD Line   = EMA(12) - EMA(26)
Signal Line = EMA(9) of MACD Line
Histogram   = MACD Line - Signal Line

EMA formula: EMA(t) = Price(t) * k + EMA(t-1) * (1 - k)
Where: k = 2 / (N + 1)
  For EMA(12): k = 2/13 = 0.1538
  For EMA(26): k = 2/27 = 0.0741

Worked example:
  EMA(12) = 155.20
  EMA(26) = 152.80
  MACD Line = 155.20 - 152.80 = 2.40
  Previous Signal Line = 1.80
  Signal Line = 2.40 * (2/10) + 1.80 * (8/10) = 0.48 + 1.44 = 1.92
  Histogram = 2.40 - 1.92 = 0.48 (positive = bullish momentum increasing)

Read the full file on GitHub · 938 lines

Files

What ships with it

1 file 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. 5d ago First seen · 938 lines · 28 tokens per session scan D cae8909d1696

Subscribe to this mod's changes

trader-hand-skill is a skill published in the GitHub repository RightNow-AI/openfang (18,166 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 28 tokens to every session and 11,286 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it D with 3 findings (sends data to an external url, downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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