ClickHouse (official)
Last tested 2026-10-22
Score 100/100 · Last tested 2026-10-22 · Version tested 0.7.0 · Package mcp-clickhouse · Repo ClickHouse/mcp-clickhouse
Summary: ClickHouse (official) completed an MCP handshake without credentials and exposed 3 tools.
Test results
| Test | Result | Points | Evidence |
|---|---|---|---|
| install | pass | 20 | uv pip install mcp-clickhouse (Python venv, Linux) succeeded in 0s. |
| handshake | pass | 30 | MCP initialize + tools/list over stdio succeeded with no credentials; 3 tools listed in 11.1s. |
| maintenance | pass | 25 | Repo pushed 0 days before test; 890 GitHub stars. |
| docs | pass | 15 | README over 3,000 chars; install instructions present; mcpServers config example present. Automated check of the package's own README (PyPI long_description (package README)). |
| license | pass | 10 | Apache-2.0 (OSI-approved). |
Local-model readiness
Schema context cost: ~713 tokens for 3 tools (3,286 bytes) · about 9% of an 8k context. Method: tiktoken cl100k_base over compact JSON of name+description+inputSchema (approximate).
Small-model friendly (schema heuristic, not a model result): medium.
Small-model task runs: Not yet tested.
Not tested
We did not test behavior with real credentials, security, or performance under load. These are planned; see methodology.
Tools listed
list_databases, list_tables, run_query
Config used in our test
{
"mcpServers": {
"clickhouse-official": {
"command": "uvx",
"args": [
"mcp-clickhouse"
]
}
}
}FAQ
Is ClickHouse (official) deprecated?
No. mcp-clickhouse was not deprecated or archived when we last tested it on 2026-10-22.
What replaces ClickHouse (official)?
Nothing; ClickHouse (official) is not deprecated as of 2026-10-22.
Does ClickHouse (official) need an API key?
No. It completed an MCP handshake with no credentials and listed 3 tools.
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