feat(coingecko): add CoinGecko crypto adapter with 10 commands

docs/adapters/browser/coingecko.md

@@ -0,0 +1,60 @@
+# CoinGecko
+
+**Mode**: 🌐 Public · **Domain**: `coingecko.com`
+
+## Commands
+
+| Command | Description |
+|---------|-------------|
+| `opencli coingecko top` | Top cryptocurrencies by market cap |
+| `opencli coingecko trending` | Trending coins |
+| `opencli coingecko search` | Search for cryptocurrencies |
+| `opencli coingecko coin` | Detailed info for a specific coin |
+| `opencli coingecko price` | Quick price check for multiple coins |
+| `opencli coingecko global` | Global market overview (top 10) |
+| `opencli coingecko categories` | Coin categories ranked by market cap |
+| `opencli coingecko exchanges` | Top exchanges by trading volume |
+| `opencli coingecko gainers` | Top gainers by 24h price change |
+| `opencli coingecko losers` | Top losers by 24h price change |
+
+## Usage Examples
+
+```bash
+# Top 10 coins by market cap
+opencli coingecko top --limit 10
+
+# Top coins priced in EUR
+opencli coingecko top --currency eur
+
+# Trending coins
+opencli coingecko trending
+
+# Search for a coin
+opencli coingecko search --query solana
+
+# Detailed Bitcoin info (price, 24h/7d/30d change, ATH)
+opencli coingecko coin --id bitcoin
+
+# Quick price check for multiple coins
+opencli coingecko price --ids "bitcoin,ethereum,solana"
+
+# Global market overview
+opencli coingecko global
+
+# Coin categories (DeFi, Layer 1, etc.)
+opencli coingecko categories --limit 10
+
+# Top exchanges
+opencli coingecko exchanges --limit 10
+
+# Top gainers and losers
+opencli coingecko gainers --limit 10
+opencli coingecko losers --limit 10
+
+# JSON output
+opencli coingecko top --limit 5 -f json
+```
+
+## Prerequisites
+
+None — all commands use the public CoinGecko API, no browser or login required.

docs/adapters/browser/facebook.md

@@ -10,12 +10,18 @@
 | `opencli facebook notifications` | Get recent notifications |
 | `opencli facebook feed` | Get news feed posts |
 | `opencli facebook search` | Search people, pages, posts |
+| `opencli facebook friends` | Friend suggestions |
+| `opencli facebook groups` | List your joined groups |
+| `opencli facebook memories` | On This Day memories |
+| `opencli facebook events` | Browse event categories |
+| `opencli facebook add-friend` | Send a friend request |
+| `opencli facebook join-group` | Join a group |
 
 ## Usage Examples
 
 ```bash
 # View a profile
-opencli facebook profile zuck
+opencli facebook profile --username zuck
 
 # Get notifications
 opencli facebook notifications --limit 10
@@ -24,10 +30,19 @@ opencli facebook notifications --limit 10
 opencli facebook feed --limit 5
 
 # Search
-opencli facebook search "OpenAI" --limit 5
+opencli facebook search --query "OpenAI" --limit 5
+
+# List your groups
+opencli facebook groups
+
+# Send friend request
+opencli facebook add-friend --username someone
+
+# Join a group
+opencli facebook join-group --group 123456789
 
 # JSON output
-opencli facebook profile zuck -f json
+opencli facebook profile --username zuck -f json
 ```
 
 ## Prerequisites

docs/adapters/browser/instagram.md

@@ -13,31 +13,38 @@
 | `opencli instagram followers` | List user's followers |
 | `opencli instagram following` | List user's following |
 | `opencli instagram saved` | Get your saved posts |
+| `opencli instagram like` | Like a post |
+| `opencli instagram unlike` | Unlike a post |
+| `opencli instagram comment` | Comment on a post |
+| `opencli instagram save` | Bookmark a post |
+| `opencli instagram unsave` | Remove bookmark |
+| `opencli instagram follow` | Follow a user |
+| `opencli instagram unfollow` | Unfollow a user |
 
 ## Usage Examples
 
 ```bash
 # View a user's profile
-opencli instagram profile nasa
+opencli instagram profile --username nasa
 
 # Search users
-opencli instagram search nasa --limit 5
+opencli instagram search --query nasa --limit 5
 
 # View a user's recent posts
-opencli instagram user nasa --limit 10
+opencli instagram user --username nasa --limit 10
 
-# Discover trending posts
-opencli instagram explore --limit 20
+# Like a user's most recent post
+opencli instagram like --username nasa --index 1
 
-# List followers/following
-opencli instagram followers nasa --limit 20
-opencli instagram following nasa --limit 20
+# Comment on a post
+opencli instagram comment --username nasa --text "Amazing!" --index 1
 
-# Get your saved posts
-opencli instagram saved --limit 10
+# Follow/unfollow
+opencli instagram follow --username nasa
+opencli instagram unfollow --username nasa
 
 # JSON output
-opencli instagram profile nasa -f json
+opencli instagram profile --username nasa -f json
 ```
 
 ## Prerequisites

src/clis/coingecko/categories.yaml

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+site: coingecko
+name: categories
+description: Cryptocurrency categories ranked by market cap
+domain: api.coingecko.com
+strategy: public
+browser: false
+
+args:
+  limit:
+    type: int
+    default: 20
+    description: Number of categories
+
+pipeline:
+  - fetch:
+      url: https://api.coingecko.com/api/v3/coins/categories?order=market_cap_desc
+
+  - map:
+      rank: ${{ index + 1 }}
+      name: ${{ item.name }}
+      market_cap: ${{ item.market_cap }}
+      change_24h: ${{ item.market_cap_change_24h }}
+      volume_24h: ${{ item.volume_24h }}
+
+  - limit: ${{ args.limit }}
+
+columns: [rank, name, market_cap, change_24h, volume_24h]

src/clis/coingecko/coin.yaml

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+site: coingecko
+name: coin
+description: Get detailed info for a specific cryptocurrency
+domain: api.coingecko.com
+strategy: public
+browser: false
+
+args:
+  id:
+    type: str
+    required: true
+    positional: true
+    description: "Coin ID (e.g. bitcoin, ethereum, solana)"
+
+pipeline:
+  - fetch:
+      url: https://api.coingecko.com/api/v3/coins/${{ args.id }}?localization=false&tickers=false&community_data=false&developer_data=false
+
+  - map:
+      name: ${{ item.name }}
+      symbol: ${{ item.symbol }}
+      rank: ${{ item.market_cap_rank }}
+      price: ${{ item.market_data.current_price.usd }}
+      change_24h: ${{ item.market_data.price_change_percentage_24h }}
+      change_7d: ${{ item.market_data.price_change_percentage_7d }}
+      change_30d: ${{ item.market_data.price_change_percentage_30d }}
+      market_cap: ${{ item.market_data.market_cap.usd }}
+      volume: ${{ item.market_data.total_volume.usd }}
+      ath: ${{ item.market_data.ath.usd }}
+      ath_change: ${{ item.market_data.ath_change_percentage.usd }}
+      sentiment_up: ${{ item.sentiment_votes_up_percentage }}
+
+columns: [name, symbol, rank, price, change_24h, change_7d, change_30d, market_cap, ath, ath_change]

src/clis/coingecko/exchanges.yaml

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+site: coingecko
+name: exchanges
+description: Top cryptocurrency exchanges by trading volume
+domain: api.coingecko.com
+strategy: public
+browser: false
+
+args:
+  limit:
+    type: int
+    default: 20
+    description: Number of exchanges
+
+pipeline:
+  - fetch:
+      url: https://api.coingecko.com/api/v3/exchanges?per_page=${{ args.limit }}
+
+  - map:
+      rank: ${{ index + 1 }}
+      name: ${{ item.name }}
+      country: ${{ item.country }}
+      trust_score: ${{ item.trust_score }}
+      volume_btc: ${{ item.trade_volume_24h_btc }}
+      year: ${{ item.year_established }}
+
+  - limit: ${{ args.limit }}
+
+columns: [rank, name, country, trust_score, volume_btc, year]

src/clis/coingecko/gainers.yaml

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+site: coingecko
+name: gainers
+description: Top gaining cryptocurrencies by 24h price change
+domain: api.coingecko.com
+strategy: public
+browser: false
+
+args:
+  limit:
+    type: int
+    default: 10
+    description: Number of coins
+  currency:
+    type: str
+    default: usd
+    description: Price currency
+
+pipeline:
+  - fetch:
+      url: https://api.coingecko.com/api/v3/coins/markets?vs_currency=${{ args.currency }}&order=market_cap_desc&per_page=250&page=1
+
+  - filter: item.price_change_percentage_24h
+
+  - sort:
+      by: price_change_percentage_24h
+      order: desc
+
+  - map:
+      rank: ${{ index + 1 }}
+      name: ${{ item.name }}
+      symbol: ${{ item.symbol }}
+      price: ${{ item.current_price }}
+      change_24h: ${{ item.price_change_percentage_24h }}
+      cap_rank: ${{ item.market_cap_rank }}
+
+  - limit: ${{ args.limit }}
+
+columns: [rank, name, symbol, price, change_24h, cap_rank]

src/clis/coingecko/global.yaml

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+site: coingecko
+name: global
+description: Global cryptocurrency market overview
+domain: api.coingecko.com
+strategy: public
+browser: false
+
+pipeline:
+  - fetch:
+      url: https://api.coingecko.com/api/v3/coins/markets?vs_currency=usd&order=market_cap_desc&per_page=10&page=1
+
+  - map:
+      rank: ${{ item.market_cap_rank }}
+      name: ${{ item.name }}
+      symbol: ${{ item.symbol }}
+      price: ${{ item.current_price }}
+      change_24h: ${{ item.price_change_percentage_24h }}
+      market_cap: ${{ item.market_cap }}
+
+  - limit: 10
+
+columns: [rank, name, symbol, price, change_24h, market_cap]

src/clis/coingecko/losers.yaml

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+site: coingecko
+name: losers
+description: Top losing cryptocurrencies by 24h price change
+domain: api.coingecko.com
+strategy: public
+browser: false
+
+args:
+  limit:
+    type: int
+    default: 10
+    description: Number of coins
+  currency:
+    type: str
+    default: usd
+    description: Price currency
+
+pipeline:
+  - fetch:
+      url: https://api.coingecko.com/api/v3/coins/markets?vs_currency=${{ args.currency }}&order=market_cap_desc&per_page=100&page=1
+
+  - sort:
+      by: price_change_percentage_24h
+
+  - map:
+      rank: ${{ index + 1 }}
+      name: ${{ item.name }}
+      symbol: ${{ item.symbol }}
+      price: ${{ item.current_price }}
+      change_24h: ${{ item.price_change_percentage_24h }}
+      cap_rank: ${{ item.market_cap_rank }}
+
+  - limit: ${{ args.limit }}
+
+columns: [rank, name, symbol, price, change_24h, cap_rank]

src/clis/coingecko/price.yaml

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+site: coingecko
+name: price
+description: Quick price check for one or more cryptocurrencies
+domain: api.coingecko.com
+strategy: public
+browser: false
+
+args:
+  ids:
+    type: str
+    required: true
+    positional: true
+    description: "Comma-separated coin IDs (e.g. bitcoin,ethereum,solana)"
+  currency:
+    type: str
+    default: usd
+    description: Price currency (usd, eur, gbp, aud, cny, etc.)
+
+pipeline:
+  - fetch:
+      url: https://api.coingecko.com/api/v3/coins/markets?vs_currency=${{ args.currency }}&ids=${{ args.ids }}&order=market_cap_desc
+
+  - map:
+      coin: ${{ item.name }}
+      symbol: ${{ item.symbol }}
+      price: ${{ item.current_price }}
+      change_24h: ${{ item.price_change_percentage_24h }}
+      market_cap: ${{ item.market_cap }}
+      volume: ${{ item.total_volume }}
+
+columns: [coin, symbol, price, change_24h, market_cap, volume]