# ClickHouse Official MCP Server (mcp-clickhouse) - AgentBreakWatch Reference

> TL;DR Verdict: ClickHouse Official MCP Server (`mcp-clickhouse`) is currently at v0.7.0 on PYPI (published 2026-09-21), with a 90-day Stability Score of 81/100 (B) and MEDIUM schema drift risk across 3 releases in the last 90 days. Requires FastMCP / MCP Python SDK v2+ tool schema validation; unpinned uvx mcp-clickhouse@latest deployments risk parameter drift across run_select_query and list_databases.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/mcp-clickhouse
- Category Hub: https://agentbreakwatch.vercel.app/c/database-backend (Database, SQL & Vector DB MCP Servers Stability Index)
- Package Name: `mcp-clickhouse`
- Registry: PYPI (https://pypi.org/project/mcp-clickhouse/)
- GitHub Repository: https://github.com/ClickHouse/mcp-clickhouse
- Vendor: ClickHouse
- Latest Live Version: v0.7.0
- Published Date: 2026-09-21T13:56:24.360238Z
- 90-Day Release Count: 3
- Direct Dependencies: 11
- License: Apache-2.0
- Stability Score: 81/100 (Grade B)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `uvx mcp-clickhouse@0.7.0`
- Watched Symbols / MCP Tools: run_select_query, list_databases, list_tables
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
Requires FastMCP / MCP Python SDK v2+ tool schema validation; unpinned uvx mcp-clickhouse@latest deployments risk parameter drift across run_select_query and list_databases.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
"mcp-clickhouse": {
  "command": "uvx",
  "args": ["mcp-clickhouse"]
}
```

## Migration Diff: After (Verified v0.7.0 Pattern)
```
"mcp-clickhouse": {
  "command": "uvx",
  "args": ["mcp-clickhouse@0.7.0"],
  "env": { "FASTMCP_LOG_LEVEL": "ERROR" }
}
```

## Recent Verified Releases
- v0.7.0 (published 2026-09-21) [LATEST]
- v0.6.0 (published 2026-09-03)
- v0.5.0 (published 2026-09-01)
- v0.4.1 (published 2026-07-17)
- v0.4.0 (published 2026-06-03)
- v0.3.0 (published 2026-04-14)