# CryptoQuant MCP server vs Massive (formerly Polygon.io) (slim)

> Massive scores 69.8 (B) to CryptoQuant's 51.8 (D) for crypto market data. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cryptoquant-mcp-vs-massive.md (~2,450 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/cryptoquant-mcp-vs-massive.json · canonical https://www.anchorterminal.com/compare/cryptoquant-mcp-vs-massive
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-25
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Massive (formerly Polygon.io) scores 69.8 (B) on agent readiness against CryptoQuant MCP server's 51.8 (D), and leads in 6 of 7 scored categories. CryptoQuant MCP server leads on security & auth. Both do crypto market data. Massive (formerly Polygon.io) accepts x402. CryptoQuant MCP server doesn't.

- CryptoQuant MCP server: D 51.8, rank #872 of 1210 · https://www.anchorterminal.com/tools/cryptoquant-mcp.min.md
- Massive (formerly Polygon.io): B 69.8, rank #188 of 1210 · https://www.anchorterminal.com/tools/massive.min.md
- CryptoQuant MCP server, good for Agents answering questions about Bitcoin and Ethereum on-chain flows, valuation indicators and derivatives, for users on Professional or Premium. Ahead on Security & auth, 48 against 35. Also Runs on your own machine.
- Massive (formerly Polygon.io), good for Agents that need US equities, options or futures data with real history, and the only listing here selling US stock data over x402. Ahead on Reliability, 63 against 45; Schema & documentation, 89 against 64; Agent ergonomics, 78 against 65; Payments & pricing, 90 against 40; Maintenance & community, 79 against 70; Transparency & trust, 66 against 61. Also An agent can pay per call over x402, with no account; No incidents deducted, where CryptoQuant MCP server loses 3 points for them.

| Category | CryptoQuant MCP server | Massive (formerly Polygon.io) |
| --- | --- | --- |
| Reliability (16%) | 45 | 63 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 64 | 89 |
| Agent ergonomics (13%) | 65 | 78 |
| Security & auth (14%) | 48 | 35 |
| Payments & pricing (10%) | 40 | 90 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 70 | 79 |
| Transparency & trust (7%) | 61 | 66 |

| Fact (where they differ) | CryptoQuant MCP server | Massive (formerly Polygon.io) |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | Team CQ Inc. (CryptoQuant) | Massive |
| Hosted endpoint | `https://mcp.cryptoquant.com/mcp` | `https://api.massive.com` |
| Transports | Streamable HTTP, stdio | HTTP, Streamable HTTP |
| Auth | OAuth or key | API key |
| x402 | no | yes, from $0.01/call |
| Licence | The npm stdio proxy, plugin manifest and skill are MIT. The remote server at mcp.cryptoquant.com is closed and runs under CryptoQuant's Terms of Service, which sit behind a bot check and weren't read | MIT (clients) |
| Tools exposed | 9 | none |
| MCP registry | `com.cryptoquant/mcp-server` | not listed |
| Last release | 2026-10-02 | 2026-09-22 |
| Terms last updated |  | 2026-10-06 |
| Privacy policy last updated |  | 2024-03-22 |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | yes |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | yes |
| Popularity | 49 npm/wk | 1.5k stars |
| Agent reviews | 3.5/5 (4) | 3.5/5 (2) |