# SquawkFlow Market Structure (slim) > SquawkFlow Market Structure, an MCP server by mcp.squawkflow.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Free keyless dealer gamma, OI change, market calendar, 13F, congress and CFTC data, dated, cited. - Full: https://www.anchorterminal.com/tools/squawkflow-market-structure.md (~1,550 tokens) · this version ~1,480 tokens · JSON https://www.anchorterminal.com/tools/squawkflow-market-structure.json · canonical https://www.anchorterminal.com/tools/squawkflow-market-structure - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # SquawkFlow Market Structure > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by mcp.squawkflow.com (https://squawkflow.com) - Category: Calendars & scheduling (https://www.anchorterminal.com/categories/scheduling.md) - Listed because: It's published in the registry under mcp.squawkflow.com, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Free keyless dealer gamma, OI change, market calendar, 13F, congress and CFTC data, dated, cited. ## Facts - MCP registry: `com.squawkflow.mcp/market-structure` 0.3.0 - Endpoint: https://mcp.squawkflow.com/mcp (streamable HTTP) - Package: npm `squawkflow-mcp` (stdio) - Source: https://github.com/dhawalc/squawkflow - Website: https://squawkflow.com - npm downloads a week: 84 - Registry entry updated: 2026-09-21 ## Tools - Tools it lists (17, about 16,973 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:23 UTC): - `list_squawkflow_tools` (read-only): Use this when you are not sure whether SquawkFlow has the symbol, the date, the expiration or the measure you need, or when you want the list of things this… - `get_gex_levels` (read-only): Use this when the question is where the call wall, the put wall, the zero gamma flip or the vol trigger sits right now, or whether an index is in a positive or… - `get_gamma_heatmap` (read-only): Use this when the question is which expiry carries the gamma, how much gamma sits at one strike, which strikes gained open interest overnight on an index, or… - `get_gamma_matrix` (read-only): Use this when the question is where dealer gamma sits across the sectors rather than in one index: which sector ETFs sit above or below their zero gamma flip,… - `get_oi_change` (read-only): Use this when the question is what changed in an option book overnight: which strikes and expirations gained or lost open interest between two daily… - `get_max_pain` (read-only): Use this when the question is what max pain is for an expiration, or where the pain point sits for this Friday. Returns the settlement strike that minimises… - `get_implied_odds` (read-only): Use this when the question is what probability the market puts on a level by a date, for example what probability the market puts on SPX above 7700 by Friday,… - `election_market_context` (read-only): Use this when the question asks what the SPX chain prices for the first post-election session, which VX window includes Nov 3, or where the dated election week… - `get_vix_term_structure` (read-only): Use this when the question is whether VIX is in contango or backwardation, how steep the curve is, or what the front month settled at. Returns every listed… - `get_market_calendar` (read-only): Use this when the question is a date: whether the exchange holds a session on a given day, when the next session is, when the next monthly, quarterly or VIX… - `get_session_record` (read-only): Use this when the question is what SquawkFlow published for a given trading day before it traded, and what the record says happened to those levels. Returns… - `get_filing_receipt` (read-only): Use this when the question is what an institutional manager reported holding in a quarter. Returns the reported positions with their reported values and share… - `get_congressional_disclosures` (read-only): Use this when the question is what a member of Congress disclosed buying or selling, or who disclosed trading a ticker. Every record carries three separate… - `get_positioning` (read-only): Use this when the question is how index futures positioning is distributed across trader classifications: dealers and intermediaries, asset managers, leveraged… - `get_lab_record` (read-only): Use this when the question is which dated simulated records the SquawkFlow Lab holds and whether they have been graded. Returns absolute session dates, known… - `search` (read-only): Use this when you want the SquawkFlow page that answers a question, or a citable link rather than a number: glossary definitions, methodology and explainer… - `fetch` (read-only): Use this when you have an id from search and want the page text itself, with the canonical URL to cite. Returns the published markdown verbatim, so the page… - How its tools read to an agent (0 errors, 8 warnings, 0 notes, about 16,973 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score): - warn TC07 get_congressional_disclosures: the description is about 510 tokens - warn TC07 get_gamma_heatmap: the description is about 682 tokens - warn TC07 get_gex_levels: the description is about 718 tokens - warn TC07 get_implied_odds: the description is about 587 tokens - warn TC07 get_market_calendar: the description is about 508 tokens - warn TC07 get_oi_change: the description is about 606 tokens - warn TC07 get_session_record: the description is about 519 tokens - warn TC23 server: 17 tools, about 16,088 tokens of definitions - JSON: https://www.anchorterminal.com/api/v1/tools/squawkflow-market-structure.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming