The Spice Melange Trading Desk: DeepBook market data connector

Connect it to your AI

Claude Code

claude mcp add --transport http plumbline-mcp https://plumbline-mcp.fly.dev/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://plumbline-mcp.fly.dev/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "plumbline-mcp": {
      "url": "https://plumbline-mcp.fly.dev/mcp"
    }
  }
}

Tools it offers

31 tools, as the server itself reported during our check on Oct 31, 2026.

• list_poolsList Sui DeepBook v3 spot pools with base/quote assets and trading params (tick, lot, min size in human units). Optional filter by asset symbol. Education/information only; not financial advice. Read-only public data, ma
• get_mid_priceBest bid, best ask, mid price and spread (abs and bps) for a DeepBook pool, plus last trade price. Education/information only; not financial advice. Read-only public data, may be delayed or wrong. Free: 100 calls/day per
• get_order_bookOrder book for a DeepBook pool: top N price levels per side and cumulative liquidity (base qty and quote notional) within ±X% of mid. Education/information only; not financial advice. Read-only public data, may be delaye
• get_volume24h volume, high/low, last price and % change for one DeepBook pool, or the top pools by 24h quote volume if no pool is given. Set window_hours for a custom trailing window (single pool). Education/information only; not
• get_pool_paramsTaker/maker fees, DEEP stake required, tick/lot/min size, whitelist/stable flags and vault balances for a DeepBook pool. Reads the live on-chain Pool object via Sui GraphQL; falls back to indexer pool-creation values if
• get_recent_tradesMost recent fills in a DeepBook pool (newest first): time, taker side, price, base and quote size. Optional time range. Education/information only; not financial advice. Read-only public data, may be delayed or wrong. Fr
• get_ohlcvOHLCV candles for a DeepBook pool (oldest first). Intervals: 1m, 5m, 15m, 30m, 1h, 4h, 1d, 1w. Volume is in the base asset. Education/information only; not financial advice. Read-only public data, may be delayed or wrong
• get_indexer_statusHealth and freshness of the public DeepBook indexer (status, latest checkpoint, server time). Use when data looks stale. Education/information only; not financial advice. Read-only public data, may be delayed or wrong.
• get_bm_fillsFills (OrderFilled) where a given DeepBook BalanceManager was the maker or the taker in one pool, newest first: time, its side, price, qty, fee, tx. Public data; no keys. Education/information only; not financial advice.
• get_swing_range1h/4h/24h high-low range and realized volatility from hourly candles, a regime (CALM < 2%, ELEVATED 2-4%, HIGH_VOL > 4% 4h range) and a suggested ladder rung count (3/4/5). Information only, not a trading instruction. Ed
• get_pool_statsScorecard-style stats for one pool over the last N hours: trade count, taker buy/sell split, base/quote volume, VWAP, average trade size, price range, current spread. Education/information only; not financial advice. Rea
• estimate_feesEstimated DeepBook fee for a fill of qty at price as maker or taker, paid in the input token (rate x 1.25) versus in DEEP (base rate), using the live on-chain fee rates and the DEEP_USDC mid. Education/information only;
• list_templatesList The Spice Melange Golden Path Grok Bot templates with prices in Sui USDC, versions and the no-checkout agent buying flow (from https://thespicemelange.org/store/catalog.json). Educational templates, not financial ad
• create_template_orderCreate a store order for one template. Returns the order id, a PRIVATE order token (shown once; keep it secret), the payee and the EXACT Sui USDC amount to send from your own wallet before the expiry. Nothing is charged
• check_template_orderWith a digest: verify your on-chain payment for an order and get the signed download link (plus add-ons). Without: return the order's status (and a fresh link once paid). The token is sent only to the store, in a header,
• get_desk_rhythmThe desk's weekly rhythm from https://thespicemelange.org/rhythm.json: focus pools, ladder windows, rung guidance, rebalance ranges, projects and lessons. The ed25519 signature is verified against the pinned release key,
• wallet_setup_guideExact steps and @mysten/sui code for an agent to create its OWN Sui Ed25519 keypair locally, fund it with SUI (gas) and USDC, and sign/submit transactions itself. Non-custodial: the desk never sees or holds keys and neve
• get_swap_quoteQuote a spot swap between SUI/USDC/WAL/DEEP/CETUS and compare DeepBook v3 pools directly (direct or 2-hop) with the Cetus aggregator. Returns the best route, expected output, price impact and fees. Non-custodial: the des
• build_swap_txBuild base64 UNSIGNED Sui transaction bytes for a swap on the chosen venue, with the sender set to your address and an on-chain minimum-out from slippage_bps. The bytes are simulated against mainnet before return. You si
• check_holderCheck on chain (Sui mainnet) whether an address holds the The Secret Journals license token. Holders unlock extra read-only education tools (golden_path_market_read). Non-holders keep every basic tool. Non-custodial: the
• golden_path_market_readFor The Secret Journals holders (checked on chain from 'address'): a compact market read across SUI, WAL and DEEP on DeepBook (mid, spread, 24h volume, 1h/4h/24h range and regime) plus the Golden Path pre-trade checklist
• build_create_balance_manager_txCreate and share a DeepBook v3 BalanceManager owned by your address (needed for limit orders). Returns UNSIGNED tx bytes (simulated against mainnet). Non-custodial: the desk never sees or holds keys and never moves funds
• build_bm_deposit_txDeposit a coin from your wallet into your own BalanceManager. Returns UNSIGNED tx bytes (simulated against mainnet). Non-custodial: the desk never sees or holds keys and never moves funds; it returns quotes and UNSIGNED
• build_bm_withdraw_txWithdraw a coin from your own BalanceManager back to your address (always to the owner). Returns UNSIGNED tx bytes (simulated against mainnet). Non-custodial: the desk never sees or holds keys and never moves funds; it r
• build_limit_order_txPlace a spot limit order on a DeepBook v3 pool from your BalanceManager (fees in the input coin, no DEEP needed). Validates tick/lot/min size. Optional deposit_first funds it in the same tx. No leverage. Returns UNSIGNED
• build_cancel_order_txCancel one order (order_id) or all your orders in a pool, and withdraw settled amounts into your BalanceManager. Returns UNSIGNED tx bytes (simulated against mainnet). Non-custodial: the desk never sees or holds keys and
• get_book_depthLevel-2 depth around mid read on chain from a DeepBook v3 pool (bids/asks [price, qty]). Non-custodial: the desk never sees or holds keys and never moves funds; it returns quotes and UNSIGNED transactions only. Spot only
• get_cetus_poolRead-only Cetus CLMM pool state (coins, fee rate, tick spacing, liquidity, current tick, price) by pool_id, or discover the Cetus pools on the current from->to route. Non-custodial: the desk never sees or holds keys and
• walrus_store_guideHow to store a PUBLIC trade receipt or strategy note on Walrus mainnet with your own key (receipt schema + @mysten/walrus code). Non-custodial: the desk never sees or holds keys and never moves funds; it returns quotes a
• build_walrus_register_txEncode your public text (receipt/note) and build the Walrus register-blob tx paid in WAL by you; returns the blob_id. Then upload+certify locally (see walrus_store_guide). Refuses content that looks like a secret. Return
• read_walrus_blobRead a public Walrus mainnet blob by id via the public aggregator (text, or base64 preview if binary; max 64 KB). Non-custodial: the desk never sees or holds keys and never moves funds; it returns quotes and UNSIGNED tra

Questions