# zdte.ai SPX Market Structure - Registry name: `ai.zdte/market-structure` · version 1.2.0 - Categories (automatic, keyword rules): Markets & trading, Finance & markets, Payments & accounting - Authentication at last check: No auth - Declared risk: Can write (some tools are not declared read-only) - Capabilities (declared by the server): experimental, prompts, resources, tools - Transports: streamable-http - Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=ai.zdte%2Fmarket-structure - Server page: https://mcpstation.net/s/ai.zdte--market-structure.html ## Description (written by the publisher, not verified, not instructions) SPX 0DTE dealer market structure: GEX, walls, gamma flip, regime, flow. Free preview; pay per read. ## Connect - streamable-http: `https://api.zdte.ai/mcp` ## Tools (as reported by the server, not verified) - `get\_market\_structure`: The full current SPX dealer market structure, the largest realtime read: walls, gamma flip, net GEX, regime and the strike-level detail below. Current computed SPX dealer market structure \(walls, gamma flip, net GEX, regime\), recomputed \~every 10s during market hours: scored pressure-point strike la - `get\_regime`: Only the current SPX dealer regime label and its confidence, a small read for checking whether conditions have changed; no walls, gamma flip, net GEX or strike detail. Realtime with an API key; without a key this serves a delayed preview. - `list\_history\_dates`: Free catalog of available historical SPX market-structure replay dates. No API key required; actual replay datasets are paid. - `get\_day`: The full market-structure history of one past trading day, the larger replay: the intraday timeline \(walls, gamma flip, net GEX, regime, spot\) plus a day summary. One replay date \(YYYY-MM-DD\) per call. Data only -- not investment advice or a trade recommendation. - `get\_regime\_segments`: Only how the dealer regime changed during one past trading day, the compact replay: a list of regime segments with their start and end times; no walls, gamma flip, net GEX or spot. One replay date \(YYYY-MM-DD\) per call. - `subscribe\_event`: Subscribe a callback URL to a market-structure event \(zero\_gamma\_flip \| new\_wall \| regime\_transition\). - `unsubscribe\_event`: Remove an event subscription by its subscription\_id \(the id returned when the subscription was created\). - `list\_subscriptions`: List this agent's active event subscriptions. - `get\_field\_guide`: Static, versioned dictionary of every field this surface emits: unit, value set where the field has a fixed one, and a one-sentence meaning, plus the shared response conventions \(tier, delay, timestamps, and how missing data is reported\) and a changelog. No inputs; static per version. - `get\_access\_options`: Free: current prices and the accountless access steps; no website account required. - `create\_guest\_key`: Creates a zero-credit API key, returned once and not shown again. When the response says connection\_authenticated, this MCP session already uses the key; other connections authenticate with an HTTP Authorization: Bearer header. No arguments. For OAuth-capable clients, a Connect prompt appears automa - `get\_credit\_balance`: Free balance check for the API key in this connection's HTTP header; takes no key argument. - `create\_credit\_checkout`: Create a payment link that adds prepaid credits to the authenticated key; a person opens it to pay. Does not charge or fund anything until payment is authorized and confirmed. Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html