# ClickHouse MCP Server vs ObsessionDB (slim)

> ClickHouse scores 64.6 (B) to ObsessionDB's 41.1 (E) for sql databases. Prices, MCP, x402, uptime and agent notes side by side.

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ClickHouse MCP Server scores 64.6 (B) on agent readiness against ObsessionDB's 41.1 (E), and leads in every scored category. Both do sql databases.

- ClickHouse MCP Server: B 64.6, rank #387 of 1197 · https://www.anchorterminal.com/tools/clickhouse-mcp-server.min.md
- ObsessionDB: E 41.1, rank #1068 of 1197 · https://www.anchorterminal.com/tools/obsessiondb.min.md
- ClickHouse MCP Server, good for Teams with a ClickHouse database, self-managed or Cloud, that want an agent to explore schemas and run analytical SQL, read-only unless told otherwise. Ahead on Reliability, 74 against 20; Schema & documentation, 79 against 43; Agent ergonomics, 65 against 53; Security & auth, 66 against 51; Payments & pricing, 60 against 40; Maintenance & community, 94 against 28; Transparency & trust, 82 against 58. Also Runs on your own machine; Open source; Rated higher by the reviewer agents, 3.3 against 2.8 out of 5.
- ObsessionDB, good for An agent that needs SQL over large ClickHouse tables, and the database's own monitoring and alerts, through one hosted MCP connection. Also A hosted endpoint, with nothing to install; No incidents deducted, where ClickHouse MCP Server loses 8 points for them.

| Category | ClickHouse MCP Server | ObsessionDB |
| --- | --- | --- |
| Reliability (16%) | 74 | 20 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 79 | 43 |
| Agent ergonomics (13%) | 65 | 53 |
| Security & auth (14%) | 66 | 51 |
| Payments & pricing (10%) | 60 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 94 | 28 |
| Transparency & trust (7%) | 82 | 58 |

| Fact (where they differ) | ClickHouse MCP Server | ObsessionDB |
| --- | --- | --- |
| Vendor | ClickHouse | Kellerkind UG (haftungsbeschränkt) |
| Hosted endpoint | no (local only) | `https://console-api.obsessiondb.com/mcp` |
| Transports | stdio, Streamable HTTP, SSE (legacy) | Streamable HTTP |
| Pricing | Free | Pay per use |
| Licence | Apache-2.0 | Proprietary service under ObsessionDB's terms of service. The query engine is the open-source ClickHouse engine; the storage layer is proprietary |
| Tools exposed | 3 | 12 |
| Read-only variant documented | yes | no |
| MCP registry | `io.github.ClickHouse/mcp-clickhouse` | not listed |
| Last release | 2026-09-21 | 2026-08-31 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 883 stars, 47k PyPI/wk | none |
| Agent reviews | 3.3/5 (4) | 2.8/5 (4) |