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x402 Crypto MCP Server

x402 Crypto MCP Server

MCP server that aggregates 9 x402 crypto services as tools for AI agents: prices, sentiment, funding rates, technical indicators, DeFi yields, gas prices, pool metrics, and fresh market discovery — exposed as 20 stdio tools and 23 HTTP tools (including the combined market_overview / get_market_overview, the batch get_prices, raw OHLCV candle_history / get_candles, top movers top_movers / get_top_movers, token conversion convert / get_conversion, transaction status tx_status / get_tx_status + solana_tx_status / get_solana_tx_status, wallet balances wallet_balance / get_wallet_balance

  • solana_balance / get_solana_balance, the Fear & Greed series fng_history / get_fng_history, and open interest open_interest / get_open_interest).

Tools (STDIO Transport)

Tool

Description

Service

crypto_prices

Live USD prices for 20+ tokens

multi-chain-price-oracle

top_movers

Top 24h gainers and losers by market cap

multi-chain-price-oracle

convert

Convert amount between two tokens (live prices)

multi-chain-price-oracle

tx_status

EVM tx status: landed/confirmed/failed/pending (6 chains)

tx-status-oracle

solana_tx_status

Solana tx status: confirmed/failed/not_found

tx-status-oracle

wallet_balance

EVM wallet native balance (ETH, 6 chains)

tx-status-oracle

solana_balance

Solana wallet SOL balance

tx-status-oracle

token_info

Validate ERC-20: symbol, name, decimals, supply

tx-status-oracle

token_balance

ERC-20 balance of a wallet (decimals-aware, e.g. USDC)

tx-status-oracle

market_sentiment

Fear & Greed index + global market metrics

crypto-market-sentiment

fng_history

Fear & Greed daily series (1-90 days) + trend signals

crypto-market-sentiment

open_interest

Perp open interest (contracts + USD value)

crypto-market-sentiment

funding_rate

Perp funding rate from Binance USDT futures

crypto-market-sentiment

technical_indicators

RSI, MACD, EMA, SMA, volatility, ATR + signals

technical-indicators-oracle

candle_history

Raw OHLCV candles (open, high, low, close, volume, timestamp)

technical-indicators-oracle

market_overview

Combined: prices + sentiment + funding in one call

all 3 services

defi_yields

Top DeFi yields across 40+ chains (15,000+ pools)

defi-yield-aggregator

gas_price

Gas prices on 7 EVM chains (gwei/wei)

multi-chain-gas-oracle

yield_pool_metrics

APY/TVL snapshots for Aave V3 / Uniswap V3 pools

yield-pool-watcher

fresh_markets

New AMM pairs in the last N minutes

fresh-markets-watch

Related MCP server: x402-bazaar-mcp

Tools (HTTP Transport - Vercel/Smithery)

Tool

Description

Service

get_price

Get current price for any token on supported chains

multi-chain-price-oracle

get_prices

Batch: current prices for up to 20 tokens in one call

multi-chain-price-oracle

get_top_movers

Top 24h gainers and losers by market cap

multi-chain-price-oracle

get_conversion

Convert amount between two tokens (live prices)

multi-chain-price-oracle

get_tx_status

EVM tx status via x402 (6 chains)

tx-status-oracle

get_solana_tx_status

Solana tx status via x402

tx-status-oracle

get_wallet_balance

EVM wallet balance (ETH) via x402

tx-status-oracle

get_solana_balance

Solana wallet SOL balance via x402

tx-status-oracle

get_token_info

ERC-20 token metadata via x402

tx-status-oracle

get_token_balance

ERC-20 wallet balance via x402

tx-status-oracle

get_market_sentiment

Fear & Greed Index (Alternative.me)

crypto-market-sentiment

get_fng_history

Fear & Greed daily series (1-90 days) + trend

crypto-market-sentiment

get_open_interest

Perp open interest (contracts + USD value)

crypto-market-sentiment

get_funding_rates

Perpetual funding rates across exchanges

crypto-market-sentiment

get_technical_indicators

RSI, MACD, EMA, SMA for any symbol/timeframe

technical-indicators-oracle

get_candles

Raw OHLCV candle history (up to 500 candles)

technical-indicators-oracle

get_defi_yields

Supply/borrow APY across protocols

defi-yield-aggregator

get_gas_price

EIP-1559 gas fees for EVM chains

multi-chain-gas-oracle

get_multi_chain_gas

Gas prices for multiple EVM chains at once

multi-chain-gas-oracle

get_pool_metrics

Yield pool APY/TVL/fee metrics across DEXes

yield-pool-watcher

get_pool_alerts

Pool alerts (APY spikes, new pools, TVL changes)

yield-pool-watcher

scan_new_pairs

Discover new AMM pairs on DEXes

fresh-markets-watch

get_market_overview

Combined: BTC/ETH/SOL prices + Fear & Greed + BTC funding in one call

all 3 services

Install

npx x402-crypto-mcp

Or globally:

npm install -g x402-crypto-mcp

Use in Claude Desktop / Cursor / any MCP client

{
  "mcpServers": {
    "x402-crypto": {
      "command": "npx",
      "args": ["x402-crypto-mcp"]
    }
  }
}

For HTTP transport (Vercel/Smithery):

{
  "mcpServers": {
    "x402-crypto": {
      "url": "https://x402-mcp-server-o8wskr5pr-yunares-projects.vercel.app/api/mcp"
    }
  }
}

x402 Payments

All backend services use x402 pay-per-call on Base mainnet (USDC). The MCP server returns 402 challenges with payment details when you need to pay. Your agent must handle x402 payments to access the data.

Data Sources

  • CoinGecko (prices) — free, 60s cache

  • Binance (funding rates, klines) — free

  • Alternative.me (Fear & Greed) — free

  • DeFiLlama (yields) — free, 5min cache

  • Public RPCs (gas) — free, 30s cache

  • The Graph (pool metrics) — free

  • EVM RPCs (new pairs) — free

GitHub

https://github.com/yunaremaia/x402-crypto-mcp

Install Server
A
license - permissive license
A
quality
B
maintenance

Maintenance

Maintainers
Response time
Release cycle
Releases (12mo)
Commit activity

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