mcpbeat

Option Chain

staskh/option-chain

Get option chain data including calls and puts with strikes, bids, asks, volume, open interest, and implied volatility. Use when user asks about options, option prices, calls, puts, or option chain for a specific expiration date.

773 tokens
context cost
the whole folder, loaded on every use
2
files
ships runnable scripts
0
copies elsewhere
how many repositories repackaged it
308
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository 
npx skills add https://github.com/staskh/trading_skills --skill option-chain

The instruction itself

6 sections, as written by the author

Option Chain

Fetch option chain data from Yahoo Finance for a specific expiration date.

Instructions

> Note: If uv is not installed or pyproject.toml is not found, replace uv run python with python in all commands below.

First, get available expiration dates:

uv run python scripts/options.py SYMBOL --expiries

Then fetch the chain for a specific expiry:

uv run python scripts/options.py SYMBOL --expiry YYYY-MM-DD

Arguments

  • SYMBOL - Ticker symbol (e.g., AAPL, SPY, TSLA)
  • --expiries - List available expiration dates only
  • --expiry YYYY-MM-DD - Fetch chain for specific date

Output

Returns JSON with:

  • calls - Array of call options with strike, bid, ask, volume, openInterest, impliedVolatility
  • puts - Array of put options with same fields
  • underlying_price - Current stock price for reference

Present data as a table. Highlight high volume/OI strikes and notable IV levels.

Dependencies

  • pandas
  • yfinance

Timezone

All timestamps and time-based calculations must use the America/New_York timezone. All JSON output must include generated_at (NY time string) and data_delay fields.

How to use it

Copy the folder

Take staskh/option-chain from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.