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ClickHouseClickHouse/agent-skills/skills/infra-clickhouse/SKILL.md

infra-clickhouse

Skill563 starsChanged 9 months agoApache-2.0View on GitHub

Sets up and manages ClickHouse using the clickhousectl CLI — installs and runs a local ClickHouse server for development, and creates managed ClickHouse Cloud services for production (authentication, service creation, schema migration, application connection). Use when the user wants to build an application with ClickHouse, set up a local ClickHouse dev environment, create tables and start querying, deploy ClickHouse to production or ClickHouse Cloud, or migrate from a local setup to the cloud.

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1 other project uses a version of this, 1 of them edited.

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The file

We split this skill into the rules it gives an agent

5 rules. About 0 are common, 2 are distinctive, and 3 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈2

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 3

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    If it's genuinely ambiguous (e.g.

    line 31
  2. Very specific:

    Check that clickhousectl is installed:

    line 35
  3. Distinctive:

    If not found, install it:

    line 41
  4. Very specific:

    All commands accept --json for machine-readable output, and switch to JSON automatically when run by a coding agent.

    line 49
  5. Very specific:

    When designing schemas, consult the clickhouse-best-practices skill for ORDER BY selection, data types, and partitioning.

    line 53

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Last updated 2026-10-30 for clickhousectl 0.5.0. (update the CLI with clickhousectl update, update skills with clickhousectl skills)

ClickHouse with clickhousectl

clickhousectl manages ClickHouse in two environments:

  • Local — ClickHouse installed and running on the user's machine, for development.
  • Cloud — managed ClickHouse Cloud services, for production: fully managed, automatic scaling, backups, and upgrades.

This file routes to the right reference. The step-by-step workflows live in ref/local.md and ref/cloud.md — read the one that matches the user's situation before running commands.

Which reference to use

The user wants to...Read
Build an app with ClickHouse, develop or prototype locally, no cloud account neededref/local.md
Go to production, host a managed ClickHouse, or use ClickHouse Cloud explicitlyref/cloud.md
Operate an existing cloud service (schemas, users, queries against it)ref/cloud.md
Develop locally now, ship to production laterStart with ref/local.md; it points to ref/cloud.md when it's time to go to prod

If it's genuinely ambiguous (e.g. "set up ClickHouse for my app"), default to local for development tasks and ask before creating anything in the cloud — cloud services cost money.

Prerequisites (both workflows)

Check that clickhousectl is installed:

which clickhousectl

If not found, install it:

curl -fsSL https://clickhouse.com/cli | sh

This installs to ~/.local/bin/clickhousectl (with a chctl alias). If the command is still not found, suggest export PATH="$HOME/.local/bin:$PATH" or a new terminal.

All commands accept --json for machine-readable output, and switch to JSON automatically when run by a coding agent. SQL output from local client and local postgres client stays in psql or clickhouse-client's native format. Exit codes: 0 success, 1 error, 2 usage error, 3 cancelled, 4 auth required.

Related

  • When designing schemas, consult the clickhouse-best-practices skill for ORDER BY selection, data types, and partitioning.
  • For Postgres (local development or managed ClickHouse Cloud Postgres), use the infra-postgres skill.

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