Clickhouse Js Node Troubleshooting

If you're running the ClickHouse Node.js client and hitting socket hang-ups, type mismatches, or mysterious connection drops, this is your diagnostic guide. It covers the classic pain points: ECONNRESET errors on long queries, integers coming back as strings, readonly user restrictions breaking compression, and proxy pathname confusion. The skill maps symptoms to reference files so Claude can diagnose first and fix second, which matters when you're staring at a vague "my inserts keep failing" message at 2am. Strictly for Node.js runtime, not browsers or edge workers. Honest take: most ClickHouse JS issues come down to Keep-Alive settings or not understanding how the client handles big integers, and having those answers indexed saves a lot of GitHub issue archaeology.

skills.sh installs: 7.8K
GitHub stars: 565
last updated: Aug 21, 2026

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Install

$ npx -y skills add clickhouse/agent-skills --skill clickhouse-js-node-troubleshooting --agent claude-code

Installs into .claude/skills of the current project.

Files

ClickHouse Node.js Client Troubleshooting

Reference: https://clickhouse.com/docs/integrations/javascript

⚠️ Node.js runtime only. This skill covers the @clickhouse/client package running in a Node.js runtime exclusively — including Next.js Node runtime API routes, React Server Components, Server Actions, and standard Node.js processes. Do not apply this skill to browser client components, Web Workers, Next.js Edge runtime, Cloudflare Workers, or any usage of @clickhouse/client-web. For browser/edge environments, the correct package is @clickhouse/client-web.

How to Use This Skill

Identify the issue — match symptoms to the Issue Index below and read the corresponding reference file.
Lead with the diagnosis — explain what's likely causing the issue before giving the fix.
Note version constraints — flag if a fix requires a minimum client version and check it against what the user provided.
Ask only what's missing — if the fix is version-dependent and you don't know their version, ask; otherwise help immediately.