# Strasmore market data (for AI agents)

> US stock and options market data queried with ClickHouse SQL: daily and minute bars, trades and quotes, options greeks, dividends, splits, fundamentals, SEC filings, news and macro series. The endpoints below need no key and no signup.

## Connect
- MCP server (Streamable HTTP, no auth): https://ai.strasmore.com/mcp
  Tools: list_tables, describe_table, run_sql, get_plans.
- Same server at your own plan (OAuth or 'Authorization: Bearer <key>'): https://ai.strasmore.com/mcp/account
- Server card: https://ai.strasmore.com/.well-known/mcp.json
- A2A agent (JSON-RPC, send one SELECT as the message): https://ai.strasmore.com/a2a (card: https://ai.strasmore.com/.well-known/agent-card.json)
- OpenAPI for the no-key endpoints: https://ai.strasmore.com/openapi.json

## Query over HTTP, no key
- Every table and column: https://ai.strasmore.com/api/demo/schema
- Run one SELECT: https://ai.strasmore.com/api/demo/sql?sql=<URL-encoded SQL> (or POST {"sql": "..."}). Tables are global_markets.<table>.
- Limits without a key: 500 rows and 20s per query, history from 2025-01-01. Every result states the limit it met and which plan lifts it.

## More
- REST API with a key, and its docs: https://api.strasmore.com/docs
- Plans: https://www.strasmore.com/#pricing
- Site-wide index (research, answered questions): https://www.strasmore.com/llms.txt