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 agentmods add skills/cockroachdb/cursor-plugin/managing-cluster-capacitynpx skills add cockroachdb/cursor-plugin --skill managing-cluster-capacitygit clone --depth 1 https://github.com/cockroachdb/cursor-pluginWhat 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 | $0.00095 | $0.03420 |
| Opus 5 | $0.00048 | $0.01710 |
| Sonnet 5 | $0.00019 | $0.00684 |
| Haiku 4.5 | $0.00010 | $0.00342 |
Grade A, and why
managing-cluster-capacity scanned grade A with 1 finding 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 2d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -ks https://<node>:8080/_status/vars | grep '^capacity' This is a copy
100% identical to managing-cluster-capacity — 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 — 369 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Managing Cluster Capacity
Manages cluster capacity across all CockroachDB deployment tiers. What "capacity" means varies by tier — Self-Hosted manages individual nodes, Advanced/BYOC manage node count and machine size, Standard manages provisioned vCPUs, and Basic auto-scales with cost controls.
When to Use This Skill
- Permanently removing a node from a cluster (Self-Hosted)
- Adding nodes to increase capacity (Self-Hosted)
- Scaling cluster node count or machine size (Advanced, BYOC)
- Adjusting provisioned compute (Standard)
- Managing costs on a serverless cluster (Basic)
- Replacing hardware or migrating infrastructure (Self-Hosted, BYOC)
- Replacing a failed or dead node (Self-Hosted)
- Managing storage utilization and disk pressure (Self-Hosted)
For temporary maintenance (not capacity changes): Use performing-cluster-maintenance. For pre-operation health check: Use reviewing-cluster-health.
Step 1: Gather Context
Required Context
| Question | Options | Why It Matters |
|---|---|---|
| Deployment tier? | Self-Hosted, Advanced, BYOC, Standard, Basic | Different capacity model per tier |
| Direction? | Scale up (add capacity), Scale down (reduce capacity) | Determines procedure |
Additional Context (by tier)
If Self-Hosted (scaling down):
| Question | Options | Why It Matters |
|---|---|---|
| How many nodes to remove? | 1, multiple | Multi-node decommission should be done simultaneously |
| Target node IDs? | Node IDs from cockroach node status |
Required for CLI commands |
| Is the node alive or dead? | Alive, Dead | Dead nodes use a different procedure |
| Deployment platform? | Bare metal, VMs, Kubernetes | Changes CLI and cleanup steps |
| Current replication factor? | 3, 5, custom | Must have enough nodes remaining |
| Current node count? | Number | Validates remaining capacity |
| Storage utilization? | Low (<60%), Medium (60-80%), High (>80%) | Determines urgency and whether storage maintenance is needed |
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 2d ago First seen · 369 lines · 95 tokens per session scan A fa02cbde2b83
managing-cluster-capacity is a skill published in the GitHub repository cockroachdb/cursor-plugin (1 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 95 tokens to every session and 3,420 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 100% identical to managing-cluster-capacity, differing in 0 lines, and is treated as a copy.
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