Individual skill
stock-snapshot
Fetch a stock quote snapshot with keyless curl — Yahoo Finance's public chart endpoint, read with the discipline unofficial market data demands: timestamped, delayed-flagged, and never advice. Use when asked what's this stock at, how did the market do today, get me a ticker's recent range, or pull basic price history. Produces the quote with change and range context, the source-honesty caveats (unofficial, possibly delayed), the rerunnable command, and a hard no-advice line.
skills/stock-snapshot/SKILL.md
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- Last checked
- Nov 9, 2026
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- Repository last updated
- Nov 10, 2026
- License
- MIT
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# Stock Snapshot Skill
Stock prices are the live-data request with the highest stakes-to-availability mismatch: everyone asks, keyless *official* sources barely exist, and the standard keyless answer — Yahoo Finance's public chart endpoint — is unofficial, reshapeable, and possibly delayed. This skill uses it the only defensible way: clearly sourced, timestamped, delay-flagged, wrapped in the no-advice line, and honest that anything portfolio-grade belongs with a real brokerage feed. Within those fences, it's genuinely useful: quotes, day moves, and recent ranges in one curl.
## What This Skill Produces
- **The snapshot** — last price, day change, day range, volume — with its timestamp and delay flag
- **Context on request** — 52-week position, recent trend from the chart series (described, not extrapolated)
- **The command** — exact curl, rerunnable
- **The fences** — unofficial-source note and the no-advice line, every single time
## Required Inputs
Ask for these if not provided: