MAD Synapse · Chain

Reliability

Status and outage history · Atom feed

How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "mad-synapse-chain": {
      "type": "http",
      "url": "https://agent.maddegen.art/hub/mcp/chain"
    }
  }
}

15 tools

• crypto_price

  Live USD price and 24 h change for up to 30 crypto assets on any chain — by symbol, CoinGecko id, contract or mint address. Resolves each asset (BTC, "coingecko:ethereum", "base:0x…", a bare 0x address with chain, or a Solana mint) and prices it from DefiLlama's aggregated…

• price_history

  Historical USD prices for any crypto asset (hourly or daily, up to 365 days) with return, high/low, max drawdown and annualized volatility. Same asset resolution as crypto_price. Returns the series plus stats computed from it: total return, high/low with dates, max drawdown, and…

• defi_rankings

  Top DeFi protocols by TVL (or 1 d / 7 d TVL change), filterable by chain and category — lending, DEX, liquid staking, bridges, perps… From DefiLlama's full protocol list (~6,000 protocols). Each row: TVL, TVL on the requested chain, 1 h/1 d/7 d change, market cap, category…

• defi_protocol

  One DeFi protocol in depth: TVL by chain, TVL trend, fees and revenue (24 h/7 d/30 d), market cap, audits, links. Look up by name or DefiLlama slug ("aave", "Uniswap", "jupiter"). Combines DefiLlama's protocol list with its fees/revenue summaries. Fuzzy name matches return the…

• chain_tvl

  Total value locked on every blockchain right now, ranked — or one chain's daily TVL history. DefiLlama chain TVL. Without "chain": ranking of all chains with token symbol. With "chain": daily TVL history for up to 365 days plus 7 d / 30 d / 90 d change. When to use: For…

• yield_pools

  Search ~19,000 DeFi yield pools across all chains: filter by chain, protocol, token, stablecoin-only, min TVL; sort by APY or TVL. Base vs reward APY, 30 d mean, IL risk. DefiLlama yields data, refreshed every 15 minutes. Shows APY split into base (organic fees/interest) and…

• stablecoins

  Every stablecoin's circulating supply, 1 d/7 d/30 d supply change, current price and peg deviation — spot depegs and mint/burn flows. DefiLlama stablecoin data across all chains. Filter by symbol or peg type. peg_deviation_pct is measured against the peg (USD, EUR…) using…

• dex_volumes

  DEX trading volume in the last 24 h / 7 d / 30 d — all chains or one — with the top DEXes and their share and change. DefiLlama DEX overview. Optionally scoped to one chain. Includes perps with type=perps (derivatives volume) or aggregators. Price: free. Errors: returns isError…

• fees_revenue

  Which protocols and chains earn the most: fees or revenue over 24 h / 7 d / 30 d, filterable by chain — the cash-flow view of crypto. DefiLlama fees/revenue overview. "fees" = what users paid; "revenue" = what the protocol kept. Ranked, with day-over-day change. Price: $0.002…

• gas_now

  What a transaction costs right now on 17 EVM chains, Solana and Bitcoin — gwei/priority fee and the USD cost of a transfer and a swap on each. EVM: base fee + priority fee from the latest block (eth_feeHistory), USD cost of a 21,000-gas transfer and a ~150,000-gas swap (L2s…

• cex_ticker

  Live bid/ask/last, 24 h change, volume and range for a pair on Kraken, Coinbase and OKX side by side — with the cross-venue spread. Queries each venue's public ticker in parallel. OKX quotes in USDT when USD is asked for. The cross-venue spread shows arbitrage gaps and which…

• orderbook_depth

  How much size a market can take: bid/ask depth within ±0.1/0.5/1/2/5%, spread, and the slippage of a $10k/$100k/$1M market order on Kraken, Coinbase or OKX. Pulls the full public L2 book and walks it. Use before sizing an order or comparing venue liquidity. slippage is vs. mid…

• funding_rates

  Perpetual funding for a coin on Hyperliquid, OKX and Kraken Futures side by side — per-interval rate and annualized APR — plus open interest and mark price. Positive = longs pay shorts. Each venue's rate is normalized to an hourly figure and annualized so they compare directly…

• hyperliquid_markets

  Every Hyperliquid perpetual: mark/oracle price, 24 h change and volume, open interest, funding APR, premium — ranked by volume, OI, funding or movers. Live from Hyperliquid's public info API. Filter to one coin or rank the whole board. Funding is hourly on Hyperliquid; apr =…

• fear_greed

  The Crypto Fear & Greed Index (0–100) now and its history, with the 7 d / 30 d average and how extreme today is. alternative.me index, daily. Up to 365 days of history. Price: free. Errors: returns isError with a message for invalid input or an upstream failure (not charged).

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