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v0.2 — Real DEX data, wallet lookup, and a hosted MCP server for Cardano market data

Wes Huber
Founder

TapTools shut down in June and left Cardano without a market data API. v0.2 is Basilisk stepping into that gap: a live screener and token pages backed by real DEX data, wallet lookup with $handle support, a free public REST API, and — to our knowledge — the first hosted MCP server for Cardano market data.

What's live today​

  • Token screener — curated Cardano native tokens with live price, volume, liquidity, and txn counts, aggregated across DexScreener pairs. Try it.

  • Token detail pages — per-DEX pair breakdowns plus on-chain facts from Koios: supply, decimals, fingerprint, mint time, estimated holders.

  • Wallet lookup — addr1..., stake1..., or $handle: ADA balance, rewards, delegation, and holdings with USD values where priced.

  • Free public REST API — everything above at https://basilisk-seven.vercel.app/api/v1. No key, no signup. The TapTools API had no free tier ($9–199/mo); this one is just open. API docs · TapTools migration guide.

  • Hosted MCP server — point Claude Code, Claude Desktop, or Cursor at https://basilisk-seven.vercel.app/api/mcp and query Cardano markets in natural language. Six tools: get_screener, search_tokens, get_token, get_wallet, get_ada_price, get_chain_tip. One-liner:

    claude mcp add --transport http basilisk https://basilisk-seven.vercel.app/api/mcp

    MCP docs.

Coverage, honestly​

DEX aggregates come from DexScreener, which covers SundaeSwap + WingRiders on Cardano — not Minswap, not the whole chain. Every API and MCP response carries a coverage field, and the app shows a coverage chip wherever DEX aggregates appear. On-chain and wallet data come from Koios; ADA market data from CoinGecko.

What's next​

  • x402 pay-per-query — in development, targeting Masumi Network's community x402-cardano facilitator (testnet PoC stage). The honest state of x402 on Cardano.
  • Live trades feed — in development.
  • OHLCV candles via our own chain ingestion — the Kupmios plan from ADR-001 remains the Phase-2 path.
  • Agent-to-agent settlement — research; the replayable Scout × Trader demo is how we're exploring it without real funds.

If you were building on TapTools, the migration guide maps their endpoints to ours and is blunt about the gaps. Tell us what you need first: GitHub issues.