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FinancialMCP serverFirst audited Nov 13, 2026

The Spice Melange Trading Desk: DeepBook market data connector

A Mentat's eye on Sui DeepBook v3: read-only market data plus desk template tools. No keys.The vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 225 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
YesSome tools say they can change things. Your AI client should ask you first.
Endpointhttps://plumbline-mcp.fly.dev/mcp

Source code Website Streamable HTTP · protocol 2025-11-25 · server version 0.4.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Note: 2 tools are labelled as able to change things.

    Expected for tools that send, write or buy. Your AI client should ask before calling them.

    • create_template_order
    • check_template_order
  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 31 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (31)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • 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…Read-only
  • 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. Fr…Read-only
  • 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 publi…Read-only
  • 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/i…Read-only
  • 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 poo…Read-only
  • 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…Read-only
  • 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, ma…Read-only
  • 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 b…Read-only
  • 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;…Read-only
  • 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 tr…Read-only
  • 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…Read-only
  • 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. Educati…Read-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 templa…Read-only
  • 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…Can change things
  • 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 th…Can change things
  • 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 th…Read-only
  • 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 o…Read-only
  • 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. N…Read-only
  • 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…Read-only
  • 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 too…Read-only
  • 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 Pat…Read-only
  • 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…Read-only
  • 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…Read-only
  • 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 ne…Read-only
  • 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 lever…Read-only
  • 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 s…Read-only
  • 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 transac…Read-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 se…Read-only
  • 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…Read-only
  • 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…Read-only
  • 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 qu…Read-only

Audit history

  1. Nov 13Passed

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200225 ms
initializedHTTP 202108 ms
tools/listHTTP 200346 ms
resources/listHTTP 200119 ms
prompts/listHTTP 200110 ms
unknown-methodHTTP 20095 ms

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