CockroachDB Plugin for Claude Code connects Claude Code to CockroachDB clusters, which are distributed databases, so the agent can work with schemas, SQL queries, and database operations. It is intended for developers, database administrators, and operators working with self-hosted or CockroachDB Cloud deployments. The catalogue entries provide its MCP connections, specialized agents, skills, and safety hooks.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add cockroachdb/claude-plugin --skill setting-up-local-clustergit clone --depth 1 https://github.com/cockroachdb/claude-pluginWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/cockroachdb/claude-plugin/setting-up-local-cluster)<a href="https://agentmods.dev/skills/cockroachdb/claude-plugin/setting-up-local-cluster"><img src="https://agentmods.dev/badge/skills/cockroachdb/claude-plugin/setting-up-local-cluster/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/cockroachdb/claude-plugin/setting-up-local-cluster"><img src="https://agentmods.dev/badge/skills/cockroachdb/claude-plugin/setting-up-local-cluster.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00049 | $0.01883 |
| Opus 5.5 | $0.00020 | $0.00753 |
| Sonnet 5.5 | $0.00010 | $0.00377 |
| Haiku 4.5 | $0.00005 | $0.00188 |
Grade C, and why
setting-up-local-cluster scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
rm -rf $HOME/.cockroachdb/data $HOME/.cockroachdb/logs Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
- `curl` or `wget` available for downloading the binary This is a copy
100% identical to setting-up-local-cluster — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 181 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Setting Up a Local CockroachDB Cluster
Guides you through downloading, installing, and starting a local CockroachDB cluster for development. Uses the official binary -- no Docker or external runtime dependencies required.
When to Use This Skill
- Developer asks to "set up CockroachDB" or "start a local database"
- No CockroachDB cluster is reachable
- Developer wants to build an app with CockroachDB from scratch
- Setting up a new development environment
Prerequisites
- macOS (Intel or Apple Silicon), Linux (Intel or ARM), or Windows (Intel)
curlorwgetavailable for downloading the binary- ~500 MB disk space per node
- Ports 26257-26259 (SQL), 26357-26359 (RPC), and 8080-8082 (DB Console) available for a 3-node cluster
Step 1: Detect Platform and Download
Detect the OS and architecture, then download the appropriate binary.
Download URLs
Base URL: https://binaries.cockroachdb.com/
| OS | Architecture | Filename Pattern |
|---|---|---|
| Linux | Intel (amd64) | cockroach-v{VERSION}.linux-amd64.tgz |
| Linux | ARM (arm64) | cockroach-v{VERSION}.linux-arm64.tgz |
| macOS | Intel (amd64) | cockroach-v{VERSION}.darwin-10.9-amd64.tgz |
| macOS | Apple Silicon (arm64) | cockroach-v{VERSION}.darwin-11.0-arm64.tgz |
| Windows | Intel (amd64) | cockroach-v{VERSION}.windows-6.2-amd64.zip |
Replace {VERSION} with the desired release (e.g., 25.4.9). See CockroachDB Releases for the latest GA version.
Installation
# Example: macOS Apple Silicon, v25.4.9
curl -fsSL https://binaries.cockroachdb.com/cockroach-v25.4.9.darwin-11.0-arm64.tgz | tar xz
mkdir -p ~/.cockroachdb/bin
cp cockroach-v25.4.9.darwin-11.0-arm64/cockroach ~/.cockroachdb/bin/
export PATH="$HOME/.cockroachdb/bin:$PATH"
If cockroach is already on PATH, skip the download.
Step 2: Start the Cluster
A 3-node cluster is recommended for development because it exercises replication, range distribution, leaseholder balancing, and survival goals -- core CockroachDB capabilities that a single node cannot demonstrate.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 181 lines · 49 tokens per session scan C f6edf9783757
setting-up-local-cluster is a skill published in the GitHub repository cockroachdb/claude-plugin (4 stars, last pushed 28d ago), licensed Apache-2.0. It adds 49 tokens to every session and 1,883 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it C with 2 findings (recursive force delete, makes network calls). It is 100% identical to setting-up-local-cluster, differing in 0 lines, and is treated as a copy.
setting-up-local-cluster compared with skills from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| setting-up-local-clustercockroachdb/claude-plugin | Skill | 4 | 28d ago | Apache-2.0 | C | 49 | Claude Code |
| designing-application-transactionscockroachdb/cursor-plugin | Skill | 2 | 28d ago | Apache-2.0 | A | 102 | Cursor |
| auditing-table-statisticscockroachdb/cursor-plugin | Skill | 2 | 28d ago | Apache-2.0 | A | 55 | Cursor |
| profiling-transaction-fingerprintscockroachdb/cursor-plugin | Skill | 2 | 28d ago | Apache-2.0 | A | 80 | Cursor |
| configuring-sso-and-scimcockroachdb/cursor-plugin | Skill | 2 | 28d ago | Apache-2.0 | A | 91 | Cursor |
| designing-multi-region-applicationscockroachdb/cursor-plugin | Skill | 2 | 28d ago | Apache-2.0 | A | 89 | Cursor |
| analyzing-range-distributioncockroachdb/cursor-plugin | Skill | 2 | 28d ago | Apache-2.0 | A | 60 | Cursor |