"Historical cryptocurrency market data" matching MCP connectors:

Deterministic dataset-quality verdict, score and per-check facts for AI agents. No LLM.

Verify scraped data against the live source page. Signed verdicts, $0.01 via x402.

Mock data generator MCP.

Can an AI shopping agent find, understand and BUY on a store? Deterministic e-commerce audit /100.

Generate realistic, FK-consistent synthetic test data for your databases from your AI assistant.

Generate realistic relational test data — 156 field types, 22 locales, JSON/CSV/SQL, free previews.

DummyJSON mock REST: products, users, posts, recipes, todos. Keyless test data.

Hosted MCP endpoint with realistic fake data for prototyping agents. 12 tools, no setup.