cryptostruct.com valid
CryptoStruct
Realtime and historical crypto AND prediction-market data (Kalshi,
For agents: Crypto and prediction-market data plus a high-frequency trading platform; offers an MCP server with keyless free tier, a Strategy SDK and docs.
crypto market dataprediction marketsmcp servertrading strategieskalshi
- Authority
- 55 reach 5 · trust 10 · quality 25 · freshness 15
- Tier
- listed
- llms.txt
- https://cryptostruct.com/llms.txt
- llms-full.txt
- https://cryptostruct.com/llms-full.txt
- Sections
- 10
- Links
- 247
- Size
- 47135 bytes
- Popularity rank
- #905441
- Registered
- 2019-12-06
- Country
- — Publisher location unknown; CDN address excluded
- Country evidence
- No published address evidence collected yet
- Categories
- Crypto and Web3 · AI agents and MCP · Data and analytics
- For agents
- Interface: a documented API or declared MCP endpoint an agent can call
- Inferred actions
- Read documentation Call an API Search content Buy products About these labels
- Audience
- developers · agents can: read docs, call api, search content, buy · en
- First seen
- 2026-10-25T16:41:44.671Z
- Last checked
- 2026-10-25T18:54:51.826Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-25T18:54:47.329Z. Cached copy · Source on cryptostruct.com
# CryptoStruct
> Realtime and historical crypto AND prediction-market data (Kalshi,
> Polymarket, predict.fun, OG.com) across major venues, plus the low-latency trading stack behind
> it. Self-serve on this site: full-day tick recordings (L2 order-book
> snapshots + updates, trades, liquidations, mark/index prices incl. options
> greeks, funding) sold per instrument-day, free samples, and a public
> per-minute statistics API. Key facts for parsers: tick files are
> zstd-compressed JSON-lines; line 1 is instrument masterdata; all
> prices/quantities are decimal strings; timestamps are integer nanoseconds
> since epoch, UTC. Every HTML page on this site is converted to markdown at
> the edge when you request it with `Accept: text/markdown`; the `.md`
> documents listed below are served natively as text/markdown.
## MCP server
- [MCP endpoint](https://cryptostruct.com/mcp): remote MCP server (Streamable HTTP; keyless free tier) — search the instrument catalog, check archive coverage, read live market statistics (OHLC/VWAP/turnover/spreads/depth/hourly/slippage), get EUR quotes, download free samples, and buy tick-data files and series-day bundles (prediction series, Deribit option chains — search_bundles / get_bundle_coverage / get_bundle_sample, kind series_day) from any MCP client (payment via Stripe checkout URL in the browser)
- [MCP sign-in endpoint](https://cryptostruct.com/mcp/auth): same server with OAuth sign-in (Clerk) — your orders/files/credits in-agent, checkout with your credits (approval page by default, or autonomously within limits you set at https://cryptostruct.com/account/agents), and CryptoStruct Premium unlocks deep windows (daily 365d/max, hourly 180d, slippage 24h/7d, minute-range history, rolling 7-day and per-day minute CSV, quality metrics)
- [MCP docs](https://cryptostruct.com/docs/mcp): tool reference, Premium & sign-in guide, client setup for Claude Code, claude.ai, Cursor and raw JSON-RPC
- [MCP server card](https://cryptostruct.com/.well-known/mcp/server-card.json): discovery document (SEP-1649) — endpoints, transport, capabilities, protocol versions
- WebMCP page tools: every page also registers browser-agent tools via navigator.modelContext (search_instruments, get_instrument_days, get_coverage, get_last_24h_stats, get_cart, add_day_to_cart, search_bundles, get_bundle_days, add_bundle_day_to_cart) — in-browser agents can search the catalog and the day bundles and fill the visitor's cart; checkout stays with the user
- [auth.md](https://cryptostruct.com/auth.md): how agents authenticate — keyless free tier, OAuth sign-in via Dynamic Client Registration + PKCE, scopes, quotas, revocation
## Buying over HTTP (no MCP client)
- [Crypto market data API (HTTP + WebSocket guide)](https://cryptostruct.com/docs/api) · as markdown: [/docs/api.md](https://cryptostruct.com/docs/api.md): the complete buy flow as plain HTTP calls — instrument search → coverage/days → keyless POST /api/quote (EUR total + the checkout recipe) →
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Machine-readable: GET /v1/resolve?q=cryptostruct.com · GET /v1/domain/cryptostruct.com · this page as Accept: application/json or text/markdown · MCP lookup_domain
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