Agent skill

Cryptofeed

by 2025Emma in 2025Emma/vibe-coding-cn

Cryptofeed - Real-time cryptocurrency market data feeds from 40+ exchanges.

Install Cryptofeed

skills CLI

$ npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install 2025Emma/vibe-coding-cn cryptofeed --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/2025Emma/vibe-coding-cn.git skills-src && mkdir -p .claude/skills && cp -r skills-src/i18n/zh/skills/cryptofeed .claude/skills/cryptofeed && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "cryptofeed" agent skill from https://github.com/2025Emma/vibe-coding-cn/tree/main/i18n/zh/skills/cryptofeed into .claude/skills/cryptofeed/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cryptofeed", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/2025Emma/vibe-coding-cn/tree/main/i18n/zh/skills/cryptofeed

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install 2025Emma/vibe-coding-cn cryptofeed --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/2025Emma/vibe-coding-cn.git skills-src && mkdir -p .agents/skills && cp -r skills-src/i18n/zh/skills/cryptofeed .agents/skills/cryptofeed && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "cryptofeed" agent skill from https://github.com/2025Emma/vibe-coding-cn/tree/main/i18n/zh/skills/cryptofeed into .agents/skills/cryptofeed/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cryptofeed", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install 2025Emma/vibe-coding-cn cryptofeed --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/2025Emma/vibe-coding-cn.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/i18n/zh/skills/cryptofeed .cursor/skills/cryptofeed && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "cryptofeed" agent skill from https://github.com/2025Emma/vibe-coding-cn/tree/main/i18n/zh/skills/cryptofeed into .cursor/skills/cryptofeed/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cryptofeed", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/2025Emma/vibe-coding-cn.git --path i18n/zh/skills/cryptofeed

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install 2025Emma/vibe-coding-cn cryptofeed --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/2025Emma/vibe-coding-cn.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/i18n/zh/skills/cryptofeed .gemini/skills/cryptofeed && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "cryptofeed" agent skill from https://github.com/2025Emma/vibe-coding-cn/tree/main/i18n/zh/skills/cryptofeed into .gemini/skills/cryptofeed/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cryptofeed", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install 2025Emma/vibe-coding-cn cryptofeed

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/2025Emma/vibe-coding-cn.git skills-src && mkdir -p .github/skills && cp -r skills-src/i18n/zh/skills/cryptofeed .github/skills/cryptofeed && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "cryptofeed" agent skill from https://github.com/2025Emma/vibe-coding-cn/tree/main/i18n/zh/skills/cryptofeed into .github/skills/cryptofeed/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cryptofeed", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install 2025Emma/vibe-coding-cn cryptofeed --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/2025Emma/vibe-coding-cn.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/i18n/zh/skills/cryptofeed .opencode/skills/cryptofeed && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "cryptofeed" agent skill from https://github.com/2025Emma/vibe-coding-cn/tree/main/i18n/zh/skills/cryptofeed into .opencode/skills/cryptofeed/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cryptofeed", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: cryptofeed
GitHub stars: 23k
Used in: 1 other repo
Token cost: ~1.6k tokens
SKILL.md length: 449 words
Files: 4 (incl. references)
Skills in repo: 13
Repo updated: Dec 17, 2025
First seen: Oct 7, 2026
Licence: MIT

At a glance

Cryptofeed - Real-time cryptocurrency market data feeds from 40+ exchanges.

Tasks that involve Realtime and WebSockets
SKILL.md covers When to Use This Skill, Quick Reference, Supported Exchanges (40+) and Supported Data Channels, plus 8 more sections
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
Tasks that involve Stock and market analysis

What it does

Cryptofeed is an agent skill from 2025Emma/vibe-coding-cn. Cryptofeed - Real-time cryptocurrency market data feeds from 40+ exchanges. WebSocket streaming, normalized data, order books, trades, tickers. Python library for algorithmic trading and market data analysis.

Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `references/README.md`, `references/index.md` and `references/other.md`).

It sits in Backend & APIs, covering Realtime and WebSockets, Stock and market analysis and Crypto and DeFi analysis. It works with Python. The licence is MIT.

When your agent uses it

Tasks that involve Realtime and WebSockets
Tasks that involve Stock and market analysis
Tasks that involve Crypto and DeFi analysis

Example prompts

“/cryptofeed”

Requirements

Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit 9b42dd1. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are python).
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
- github.com
- pypi.python.org
- discord.gg
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Cryptofeed loads about 1.6k tokens when it runs, and up to ~3.8k if it reads all its reference files. Until then it costs about 55 tokens; SKILL.md has 449 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~55
When it runs · the whole SKILL.md, loaded when a task matches: ~1.6k
With references · SKILL.md plus every file in references/, read only if the agent opens them: ~3.8k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Download SKILL.mdSave it as .claude/skills/cryptofeed/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.

name: cryptofeed
description: Cryptofeed - Real-time cryptocurrency market data feeds from 40+ exchanges. WebSocket streaming, normalized data, order books, trades, tickers. Python library for algorithmic trading and market data analysis.

Cryptofeed Skill

Comprehensive assistance with Cryptofeed development - a Python library for handling cryptocurrency exchange data feeds with normalized and standardized results.

When to Use This Skill

This skill should be triggered when:

Working with real-time cryptocurrency market data
Implementing WebSocket streaming from crypto exchanges
Building algorithmic trading systems
Processing order book updates, trades, or ticker data
Connecting to 40+ cryptocurrency exchanges
Using normalized exchange APIs
Implementing market data backends (Redis, MongoDB, Kafka, etc.)

Quick Reference

Installation

python

# Basic installation
pip install cryptofeed

# With all optional backends
pip install cryptofeed[all]

Basic Usage Pattern

python

from cryptofeed import FeedHandler
from cryptofeed.exchanges import Coinbase, Bitfinex
from cryptofeed.defines import TICKER, TRADES, L2_BOOK

# Define callbacks
def ticker_callback(data):
    print(f"Ticker: {data}")

def trade_callback(data):
    print(f"Trade: {data}")

# Create feed handler
fh = FeedHandler()

# Add exchange feeds
fh.add_feed(Coinbase(
    symbols=['BTC-USD'],
    channels=[TICKER],
    callbacks={TICKER: ticker_callback}
))

fh.add_feed(Bitfinex(
    symbols=['BTC-USD'],
    channels=[TRADES],
    callbacks={TRADES: trade_callback}
))

# Start receiving data
fh.run()

National Best Bid/Offer (NBBO)

python

from cryptofeed import FeedHandler
from cryptofeed.exchanges import Coinbase, Gemini, Kraken

def nbbo_update(symbol, bid, bid_size, ask, ask_size, bid_feed, ask_feed):
    print(f'Pair: {symbol} Bid: {bid:.2f} ({bid_size:.6f}) from {bid_feed}')
    print(f'Ask: {ask:.2f} ({ask_size:.6f}) from {ask_feed}')

f = FeedHandler()
f.add_nbbo([Coinbase, Kraken, Gemini], ['BTC-USD'], nbbo_update)
f.run()

Supported Exchanges (40+)

Major Exchanges

Binance (Spot, Futures, Delivery, US)
Coinbase, Kraken (Spot, Futures), Bitfinex
Gemini, OKX, Bybit
Huobi (Spot, DM, Swap), Gate.io (Spot, Futures)
KuCoin, Deribit, BitMEX, dYdX

Additional Exchanges

AscendEX, Bequant, bitFlyer, Bithumb, Bitstamp, Blockchain.com, Bit.com, Bitget, Crypto.com, Delta, EXX, FMFW.io, HitBTC, Independent Reserve, OKCoin, Phemex, Poloniex, ProBit, Upbit

Supported Data Channels

Market Data (Public)

L1_BOOK - Top of order book
L2_BOOK - Price aggregated sizes
L3_BOOK - Price aggregated orders
TRADES - Executed trades (taker side)
TICKER - Price ticker updates
FUNDING - Funding rate data
OPEN_INTEREST - Open interest statistics
LIQUIDATIONS - Liquidation events
INDEX - Index price data
CANDLES - Candlestick/K-line data

Authenticated Channels (Private)

ORDER_INFO - Order status updates
TRANSACTIONS - Deposits and withdrawals
BALANCES - Wallet balance updates
FILLS - User's executed trades

Supported Backends

Write data directly to storage:

Redis (Streams and Sorted Sets)
Arctic - Time-series database
ZeroMQ, InfluxDB v2, MongoDB
Kafka, RabbitMQ, PostgreSQL
QuasarDB, GCP Pub/Sub, QuestDB
UDP/TCP/Unix Sockets

Key Features

Real-time Data Normalization

Cryptofeed normalizes data across all exchanges, providing consistent:

Symbol formatting
Timestamp handling
Data structures
Channel names

WebSocket + REST Fallback

Primarily uses WebSockets for real-time data
Falls back to REST polling when WebSocket unavailable
Automatic reconnection handling

Show full SKILL.md (181 more words)Show less

NBBO Aggregation

Create synthetic National Best Bid/Offer feeds by aggregating data across multiple exchanges to find arbitrage opportunities.

Backend Integration

Direct data writing to various storage systems without custom integration code.

Requirements

Python: 3.8 or higher
Installation: Via pip or from source
Optional Dependencies: Install backends as needed

Common Use Cases

Multi-Exchange Price Monitoring

python

fh = FeedHandler()
fh.add_feed(Binance(symbols=['BTC-USDT'], channels=[TICKER], callbacks=ticker_cb))
fh.add_feed(Coinbase(symbols=['BTC-USD'], channels=[TICKER], callbacks=ticker_cb))
fh.add_feed(Kraken(symbols=['BTC-USD'], channels=[TICKER], callbacks=ticker_cb))
fh.run()

Order Book Depth Analysis

python

def book_callback(book, receipt_timestamp):
    print(f"Bids: {len(book.book.bids)} | Asks: {len(book.book.asks)}")

fh.add_feed(Coinbase(
    symbols=['BTC-USD'],
    channels=[L2_BOOK],
    callbacks={L2_BOOK: book_callback}
))

Trade Flow Analysis

python

def trade_callback(trade, receipt_timestamp):
    print(f"{trade.exchange} - {trade.symbol}: {trade.side} {trade.amount} @ {trade.price}")

fh.add_feed(Binance(
    symbols=['BTC-USDT', 'ETH-USDT'],
    channels=[TRADES],
    callbacks={TRADES: trade_callback}
))

Reference Files

This skill includes documentation in references/:

getting_started.md - Installation and basic usage
README.md - Complete overview and examples

Use view to read specific reference files when detailed information is needed.

Working with This Skill

For Beginners

Start with basic FeedHandler setup and single exchange connections before adding multiple feeds.

For Advanced Users

Explore NBBO feeds, authenticated channels, and backend integrations for production systems.

For Code Examples

See the quick reference section above and the reference files for complete working examples.

Resources

Repository: https://github.com/bmoscon/cryptofeed
PyPI: https://pypi.python.org/pypi/cryptofeed
Examples: https://github.com/bmoscon/cryptofeed/tree/master/examples
Documentation: https://github.com/bmoscon/cryptofeed/blob/master/docs/README.md
Discord: https://discord.gg/zaBYaGAYfR
Related: Cryptostore (containerized data storage)

Notes

Requires Python 3.8+
WebSocket-first approach with REST fallback
Normalized data across all exchanges
Active development and community support
40+ supported exchanges and growing

Files

SKILL.md and 3 other files (references) in i18n/zh/skills/cryptofeed of 2025Emma/vibe-coding-cn.

SKILL.md
references/README.md
references/index.md
references/other.md

Open the folder on GitHubat commit 9b42dd1

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in 2025Emma/vibe-coding-cn, which our catalogue first saw on October 7, 2026.

aiskillstore/marketplaceskills/2025emma/cryptofeed

Compare with similar skills

Cryptofeed next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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Questions about Cryptofeed

What does Cryptofeed do?

Cryptofeed - Real-time cryptocurrency market data feeds from 40+ exchanges. Cryptofeed is an agent skill from 2025Emma/vibe-coding-cn. Cryptofeed - Real-time cryptocurrency market data feeds from 40+ exchanges.

When should I use Cryptofeed?

Cryptofeed fits situations like: tasks that involve Realtime and WebSockets; tasks that involve Stock and market analysis; tasks that involve Crypto and DeFi analysis.

How do I install Cryptofeed in Claude Code?

Run `npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a claude-code`. Or copy the skill folder (i18n/zh/skills/cryptofeed in 2025Emma/vibe-coding-cn) into .claude/skills/cryptofeed in your project. Claude Code loads it when a task matches its description.

How do I install Cryptofeed in Codex?

Run `npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a codex`. Or copy the skill folder (i18n/zh/skills/cryptofeed in 2025Emma/vibe-coding-cn) into .agents/skills/cryptofeed in your project. Codex loads it when a task matches its description.

Can I use Cryptofeed in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add 2025Emma/vibe-coding-cn --skill cryptofeed -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/cryptofeed, .gemini/skills/cryptofeed, .github/skills/cryptofeed and .opencode/skills/cryptofeed in your project.

What does Cryptofeed need to run?

SKILL.md names no scripts, command-line tools or credentials: Cryptofeed is instructions for the agent only. Our summary lists: Python 3.

Does Cryptofeed access the network?

SKILL.md names 3 domains. As links in the text: github.com, pypi.python.org and discord.gg. This is read from the text; nothing was executed.

Is Cryptofeed safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Cryptofeed use?

Cryptofeed is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Cryptofeed use?

About 1.6k tokens (SKILL.md is roughly 6.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.2k tokens, read only when the agent opens those files.

What are the alternatives to Cryptofeed?

Skills that share tags, products or a category with Cryptofeed: Web3 Polymarket (Polymarket/agent-skills, 191 stars), Tiger Brokers OpenAPI SDK (qusong0627/QuantMind, 1.7k stars), Azure Messaging Webpubsubservice Py (microsoft/skills, 3.1k stars) and Groq Webhooks Events (jeremylongshore/tons-of-skills-marketplace, 2.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Cryptofeed?

2025Emma (a GitHub user) maintains it in 2025Emma/vibe-coding-cn, which has 23,034 GitHub stars. The repository holds 13 skills in this directory. The repository was last updated on December 17, 2025.

Source: 2025Emma/vibe-coding-cn on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Cryptofeed

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Cryptofeed Skill

When to Use This Skill

Quick Reference

Installation

Basic Usage Pattern

National Best Bid/Offer (NBBO)

Supported Exchanges (40+)

Major Exchanges

Additional Exchanges

Supported Data Channels

Market Data (Public)

Authenticated Channels (Private)

Supported Backends

Key Features

Real-time Data Normalization

WebSocket + REST Fallback

NBBO Aggregation

Backend Integration

Requirements

Common Use Cases

Multi-Exchange Price Monitoring

Order Book Depth Analysis

Trade Flow Analysis

Reference Files

Working with This Skill

For Beginners

For Advanced Users

For Code Examples

Resources

Notes

Files

Used in 1 other repository

Compare with similar skills

Similar skills

More from 2025Emma/vibe-coding-cn

Related

Questions about Cryptofeed