"How to add a note to an order or object" matching MCP servers:

Cross-chain cryptocurrency swaps via Chainflip. Get quotes, execute swaps, and track progress. No API key required to get started.

AgentBureau provides the legal and physical infrastructure for AI agents to operate within the German jurisdiction. We bridge the gap between digital intelligence and real-world action by providing "Embodiment-as-a-Service." Through our API, agents can perform legally binding actions—like sending faxes, mailing physical letters, issuing invoices, forming entire companies (GmbH/UG), ...

Keyless CEX/DEX order signing for AI trading agents (Binance, OKX, Bybit, KuCoin, Hyperliquid, Asterdex). Exchange keys stay inside an AWS Nitro Enclave — the agent gets policy-bounded signatures, never credentials. Built to survive prompt injection and supply-chain key leaks.

Enables users and AI agents to verify whether a crypto recipient address is an address-poisoning lookalike or has an invalid EIP-55 checksum before sending funds, and provides access to an on-chain history scan for suspicious transfers.

BlackForge measures the order books of the major crypto exchanges in real time: depth, liquidity added and pulled, order ladders and what actually traded. 150+ metrics for 14,000+ pairs, in a dashboard or over REST, MCP and a CLI.

Polymarket prediction markets for Claude — market search, order books, price history, and a liquidity-rewards scanner. Credential-free.

Enables AI assistants and agents to vet a stablecoin or x402 payment before it is sent, returning an approve, hold, or reject decision from instant rule checks and an optional locally-run risk model. Fails closed, so malformed input or an unreachable model yields a hold rather than an approval.

Enables users to describe a market view and get real option structures priced against live order books, sized to budget, with payoff diagrams and worst-case outcomes.

Build AI trading agents on Eterna Hybrid Exchange (no-KYC perp DEX with flat 0.014%/0.035% fees). Works out of the box with fee estimation, venue comparison, setup guides and guarded agent prompts; add an Eterna token to bridge the official trading tools.

Provides live market and account data from Hyperliquid, including perp and spot prices, funding rates, open interest, order books, and wallet positions, without requiring an API key.

Enables AI agents to compare cryptocurrency prices, order books, recent trades, candles, and top movers across seven Iranian exchanges in Toman or USDT. Provides read-only, unauthenticated access to public market data from Nobitex, Wallex, Bitpin, Ramzinex, Tabdeal, OMPFinex, and Exir.

Enables interaction with CoW Protocol's order book API, allowing token resolution, quote retrieval, and order management across multiple networks through natural language.

Enables AI agents to directly operate ChainPay cryptocurrency payment system, including order creation, balance checks, and withdrawals.

Provides read-only access to the Hydromancer Hyperliquid API, letting AI apps query wallets, trades, top traders, markets, funding rates, order-book depth and liquidations in plain English. All requests go to the read-only /info endpoint, so it never places orders or handles funds or keys.

Historical Polymarket order book depth — full L2 bid/ask ladders at 1-second resolution on resolved markets, plus prices, spread and liquidity. Polymarket archives no order book history, so this serves depth captured live.

Enables AI agents to access real-time market data, order book depth, positions, orders, trades, and order routing from the ATAS platform through the Model Context Protocol.

Enables AI agents to analyze price action using Smart Money Concepts (market structure, order blocks, fair value gaps, liquidity sweeps) for stocks, forex, gold, indices, and crypto without an API key.

Enables AI agents to query Hydromancer's free Hyperliquid history archive via DuckDB, covering fills, candles, snapshots, and order books across Hyperliquid and HIP-3 venues. It estimates downloads, enforces cost limits, caches files, and points to the Hydromancer API when live or unsupported data is requested.

A curriculum that teaches AI agents how to spend their own money. Sixteen lessons from "what is a wallet" to your first x402 purchase. Teacher, not butler — never signs, pays, or holds keys.

Real-time market data from Buda.com (Chile, Colombia, Peru). Live prices, spreads, order books, OHLCV history, technical indicators, arbitrage detection, and order simulation — no API key required.