coingecko-historical

Installation
SKILL.md

CoinGecko Historical

Open the CoinGecko historical-data page for a coin in the user's default browser, centered on a one-day window around a target date.

Arguments

  • coin-id (required): CoinGecko coin slug (e.g., bitcoin, ethereum, solana). This is the same ID used by the CoinGecko API and the cg CLI — not the ticker symbol. If the user provides only a symbol or name, resolve it first (e.g., cg search <term> -o json or https://api.coingecko.com/api/v3/search?query=<term>).
  • date (required): Target date in YYYY-MM-DD format.

Behavior

Compute DATE-1 (the day before date) and DATE+1 (the day after date), then open:

https://coingecko.com/en/coins/<coin-id>/historical_data?start=<DATE-1>&end=<DATE+1>

Use the macOS open command:

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