CryptoStruct Market Data
About
Remote MCP server for historical crypto & prediction-market data: search ~500K instruments, live market stats (OHLC, turnover, spreads, depth, slippage) and tick-data purchase. Keyless for catalog & stats; optional OAuth for account tools. Endpoint: https://cryptostruct.com/mcp
Details
- Author
- cryptostruct
- Downloads
- 415
- Categories
- Finance, Other, Search, AI
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Setup
Install CryptoStruct Market Data in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/cryptostruct/mcp-server
Follow the installation instructions in the repository README, then restart your MCP client.
- Search the instrument catalog— Ask for instruments across 35 venues, including prediction markets, usingsearch_instrumentswith filters likeclass=prediction.
- Get live market snapshots— Request current OHLC, VWAP, spreads, and top-of-book depth for any instrument viaget_market_snapshot.
- Analyze historical aggregates— Pull daily, hourly, or minute-level stats (e.g.,get_daily_stats,get_hourly_stats) for event studies or trend analysis.
- Check archive coverage— Verify day-level data availability for an instrument back to 2021 usingget_coverage.
- Preview and start purchases— Usepreview_checkoutto dry-run a data purchase, thencreate_checkoutto get a Stripe URL or trigger credit approval.
- Manage your account— List past orders, retrieve purchased file downloads, and check subscription or credit balance withlist_my_ordersandget_my_subscription.
First-partyremote MCP serverforcryptostruct.com— historical cryptoand prediction-marketdata (tick-level daily files from 35 venues including Kalshi and Polymarket) plus live market statistics, built for traders, quants and AI agents.
This repository documents the hosted server. There is nothing to install or run from here — the server is operated by CryptoStruct.
- Endpoint:https://cryptostruct.com/mcp(Streamable HTTP, stateless, JSON mode)
- OAuth endpoint:https://cryptostruct.com/mcp/auth(same tools; answers401+WWW-Authenticateto trigger the standard OAuth flow — Dynamic Client Registration + PKCE)
- Server card:/.well-known/mcp/server-card.json
- Documentation:https://cryptostruct.com/docs/mcp· Product docs:https://docs.cryptostruct.com
No API key required — the catalog, market stats and the guest purchase flow work keyless. Signing in via OAuth (optional) links your CryptoStruct account for order history, purchased-file downloads and paying with your credits — always with your consent (seeBuying data).
claude mcp add --transport http cryptostruct https://cryptostruct.com/mcp # or, to enable account sign-in via OAuth: claude mcp add --transport http cryptostruct https://cryptostruct.com/mcp/auth
{ "mcpServers": { "cryptostruct": { "url": "https://cryptostruct.com/mcp" } } }
claude.ai— Settings → Connectors →Add custom connector→https://cryptostruct.com/mcp/auth
- Catalog & discovery:search ~500K instruments across 35 venues (spot, perpetuals, futures, options, prediction markets), day-level archive coverage back to 2021-02-08.
- Prediction markets:Kalshi and Polymarket event contracts are first-class instruments — searchable in the catalog (class=prediction), with coverage, live snapshots and minute/daily aggregates like any crypto instrument. Contracts quote 0..1 (USD); turnover comes USD-normalized.
- Market statistics:live snapshots and minute/hourly/daily aggregates — OHLC, VWAP, trades, turnover, spreads, top-of-book depth; slippage / market-impact curves.
- Buying data:raw tick files — crypto and prediction-market instruments alike — cost €1 per instrument-day. Card payments: the server hands off a Stripe checkout URL — payment happens in the user's browser, the server never touches card details. Free full-day sample files are available without any purchase.
- Credits & agent consent (OAuth sign-in):account credits are never spent by an agent without the user's consent. By defaultcreate_checkoutanswersapproval_requiredwith an approval page where the user confirms (pay with credits or by card) or discards the order; unapproved orders expire after 24 h with nothing charged. Users can opt intoautonomous purchases within limits(per-order and rolling 24-hour caps) athttps://cryptostruct.com/account/agents— then fully credit-covered orders complete immediately; anything above the caps comes back for approval. The agent may additionally pass its ownmax_credit_cents.preview_checkouttells the agent in advance which of the three outcomes to expect. These settings can only be changed on the website, never through an agent's token.
- Account tools (OAuth sign-in):list orders, get download URLs for purchased files, check subscription, credit balance and agent-spending settings.
Tiers:free/commercework keyless.sign-inrequires a verified OAuth sign-in (any account).premiumtools/parameters requireCryptoStruct Premium(€20/month) — which also unlocks longer stats windows (daily 365d/max, hourly 180d, slippage 24h/7d), larger search limits, a data-quality block inget_market_snapshot, and a 5× call budget. Calls beyond your tier return staticAUTH_REQUIRED/PREMIUM_REQUIREDerrors with an upgrade URL — never a hard failure.
Weighted per-caller budget:120 units/minkeyless (per IP) or per signed-in user,600 units/minfor Premium. Cheap catalog reads cost 1 unit, upstream-heavy stats 3–5, checkout 10. OnRATE_LIMITEDerrors, back off for the indicated number of seconds.
- All file sizes are compressed (zstd) bytes; market values are USD; sale prices are EUR.
- Minute-granularity data is retained ~30 days upstream; hourly/daily aggregates reach back further.
- Tick files are full-day JSON-lines captures (orderbook snapshots & updates, trades, liquidations, funding, mark/index incl. options greeks). Format reference:Market Data Protocol.
- Agent Skillfor parsing the tick files:cryptostruct-market-data(zip)
- Skills discovery index:/.well-known/agent-skills/index.json
- API catalog (RFC 9727):/.well-known/api-catalog
- llms.txt:https://cryptostruct.com/llms.txt
Questions or issues:https://cryptostruct.com/contact
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