stoa: Skill for Claude Code

.claude/skills/carto/SKILL.md

carto is a skill for Claude Code from stoa-platform/stoa. It costs 0 tokens per session (1,172 once invoked), scanned C, original, Apache-2.0.

A command for viewing the platform service catalogue, a record of deployed services and their infrastructure state. It can also compare that catalogue with the live Kubernetes environment.

In plain words
What is it for?
Listing services, inspecting one service, finding differences between the catalogue and Kubernetes, viewing dependencies, and checking which services use particular secrets.
Why use it?
Service details can become outdated or scattered across repositories. This provides inventory, individual service details, dependency information, secret mappings, and drift checks from the designated private catalogue.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is stoa-platform/stoa's own configuration. It tells Claude Code how to work on stoa itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything stoa configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is ./scripts/ops/catalog-sync.sh.

Reuse

Borrowing it

Nothing to install: this file belongs to stoa-platform/stoa. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/stoa-platform/stoa/main/.claude/skills/carto/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/stoa-platform/stoa

Made for: Claude Code.

Wrote 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.

agentmods badge for carto

README.md
[![agentmods](https://agentmods.dev/badge/skills/stoa-platform/stoa/carto/github.svg)](https://agentmods.dev/skills/stoa-platform/stoa/carto)
Your own site
<a href="https://agentmods.dev/skills/stoa-platform/stoa/carto"><img src="https://agentmods.dev/badge/skills/stoa-platform/stoa/carto/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.

agentmods 80×15 button for carto

Your own site · 80×15
<a href="https://agentmods.dev/skills/stoa-platform/stoa/carto"><img src="https://agentmods.dev/badge/skills/stoa-platform/stoa/carto.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,172 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00000 $0.01172
Opus 5.5 $0.00000 $0.00469
Sonnet 5.5 $0.00000 $0.00234
Haiku 4.5 $0.00000 $0.00117

Measured 2mo ago against content hash 87ec35b7d6e2, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade C, and why

carto scanned grade C 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 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.

Harvests environment variableshighData exfiltration

Enumerating or grepping the environment for keys collects credentials unrelated to what the mod says it does.

Extract secrets mapping from the catalog:
.claude/skills/carto/SKILL.md · 147 lines

How it starts

The opening of the file, as written. The whole thing — 147 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/carto — Platform Service Catalog

Query the STOA platform service catalog for live infrastructure state.

Modes

Command What it does
/carto or /carto all Full inventory — all services with deploy status
/carto <service> Detail view of a single service + live state
/carto drift Run drift detection (catalog vs K8s live)
/carto graph Show the Mermaid dependency graph
/carto secrets Show secrets-to-services mapping

Step 1: Read the Catalog

The catalog lives in stoa-infra (private repo), NOT in the public stoa repo.

Locate and read the catalog in this order:

  1. ~/hlfh-repos/stoa-infra/docs/platform-catalog.yaml (local clone — preferred)
  2. If not found: docs/platform-catalog.yaml (legacy location in stoa repo — may be stale)
  3. If neither exists: warn the user and suggest cloning stoa-infra

Important: When updating the catalog (drift fixes, new services), always write to stoa-infra/docs/platform-catalog.yaml. NEVER commit infra topology (hosts, IPs, clusters, secrets) to the public stoa repo.

Step 2: Execute Based on Mode

Mode: all (default)

  1. Read the full catalog
  2. For each service, format a summary line:
## Platform Inventory — {metadata.lastUpdated}

### Core Services (K8s)
| Service | Type | Port | Prod Replicas | Health | ArgoCD |
|---------|------|------|---------------|--------|--------|
| control-plane-api | backend | 8000 | 2 | /health | control-plane-api |
| ... | ... | ... | ... | ... | ... |

### External Services (VPS)
| Service | Type | Host | Purpose |
|---------|------|------|---------|

### Clusters
| Cluster | Provider | Nodes |
|---------|----------|-------|
  1. If kubectl is available, enrich with live status:
kubectl get deployments -n stoa-system -o custom-columns='NAME:.metadata.name,READY:.status.readyReplicas,IMAGE:.spec.template.spec.containers[0].image' 2>/dev/null

Mode: <service> (single service detail)

Read the full file on GitHub · 147 lines

Changes

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.

  1. 2mo ago First seen · 147 lines · 0 tokens per session scan C 87ec35b7d6e2

Subscribe to this mod's changes

carto is a skill published in the GitHub repository stoa-platform/stoa (9 stars, last pushed yesterday), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 1,172 tokens. A static security scan graded it C with 1 finding (harvests environment variables). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Related

carto compared with skills from other repositories

carto next to 6 skills from other repositories
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