hormuz-strait

hormuz-strait is a skill for Claude Code from himself65/finance-skills. It costs 185 tokens per session (1,494 once invoked), scanned A, original, MIT.

A read-only monitor for the Strait of Hormuz, a narrow sea passage used by ships carrying oil between the Persian Gulf and the open ocean. It reports shipping, energy-market, insurance, diplomatic, and trade information.

In plain words
What is it for?
Use it to check whether the strait is operating normally, review ship traffic and stranded vessels, track oil-price effects and insurance risk, and follow diplomatic developments.
Why use it?
It gathers frequently changing information about a strategically important shipping route in one place, making disruption and risk easier to assess.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the finance-data-providers plugin — 6 skills, 1 MCP server shipped together

Good fit Use it to check whether the strait is operating normally, review ship traffic and stranded vessels, track oil-price effects and insurance risk, and follow diplomatic developments.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/himself65/finance-skills/hormuz-strait
About the project

Finance Skills is a collection of agent skills for financial analysis and trading, covering activities such as company valuation, earnings research, market analysis, and options calculations. It is for users who want coding agents to perform structured finance workflows, and the catalogue contains its skills, plugins, instructions, and MCP integration.

himself65/finance-skills · 3,302 stars · on GitHub · skills.himself65.com

Install

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.

Any agent
npx skills add himself65/finance-skills --skill hormuz-strait
Clone the repo
git clone --depth 1 https://github.com/himself65/finance-skills

Made for: Claude Code.

Or install finance-data-providers, the plugin that ships this one along with the rest of its 6 skills, 1 MCP server.

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 hormuz-strait

README.md
[![agentmods](https://agentmods.dev/badge/skills/himself65/finance-skills/hormuz-strait/github.svg)](https://agentmods.dev/skills/himself65/finance-skills/hormuz-strait)
Your own site
<a href="https://agentmods.dev/skills/himself65/finance-skills/hormuz-strait"><img src="https://agentmods.dev/badge/skills/himself65/finance-skills/hormuz-strait/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 hormuz-strait

Your own site · 80×15
<a href="https://agentmods.dev/skills/himself65/finance-skills/hormuz-strait"><img src="https://agentmods.dev/badge/skills/himself65/finance-skills/hormuz-strait.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 185 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,494 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 27 Apr 2026
  • Snyk warn 27 Apr 2026
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00185 $0.01494
Opus 5 $0.00093 $0.00747
Sonnet 5 $0.00037 $0.00299
Haiku 4.5 $0.00018 $0.00149

Measured 10d ago against content hash 6f483b00fdd8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

hormuz-strait 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 10d 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.

Use `curl` to fetch the dashboard API:
plugins/data-providers/skills/hormuz-strait/SKILL.md · 123 lines

How it starts

The opening of the file, as written. The whole thing — 123 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Hormuz Strait Monitor Skill

Fetches real-time status of the Strait of Hormuz from the Hormuz Strait Monitor dashboard API. Covers shipping transits, oil prices, stranded vessels, insurance risk, diplomatic status, global trade impact, and crisis timeline.

This skill is read-only. It fetches public dashboard data — no authentication required.


Step 1: Fetch Dashboard Data

Use curl to fetch the dashboard API:

curl -s https://hormuzstraitmonitor.com/api/dashboard

Parse the JSON response. The API returns { "success": true, "data": { ... }, "timestamp": "..." }.

If success is false or the request fails, inform the user the monitor is temporarily unavailable and suggest checking https://hormuzstraitmonitor.com directly.


Step 2: Identify What the User Needs

Match the user's request to the relevant data sections. If the user asks for a general status update, present all sections. If they ask about something specific, focus on the relevant section(s).

User Request Data Section Key Fields
General status / "is Hormuz open?" straitStatus status, since, description
Ship traffic / transit count shipCount currentTransits, last24h, normalDaily, percentOfNormal
Oil price impact oilPrice brentPrice, change24h, changePercent24h, sparkline
Stranded / stuck vessels strandedVessels total, tankers, bulk, other, changeToday
Insurance / war risk insurance level, warRiskPercent, normalPercent, multiplier
Cargo throughput throughput todayDWT, averageDWT, percentOfNormal, last7Days
Diplomatic situation diplomacy status, headline, parties, summary
Global trade impact globalTradeImpact percentOfWorldOilAtRisk, estimatedDailyCostBillions, affectedRegions, lngImpact, alternativeRoutes, supplyChainImpact
Crisis timeline / events crisisTimeline events[] with date, type, title, description
Tanker freight rates / VLCC rates tankerRates currentRate, preCrisisRate, changePercent, route, vesselType, trend, unit
Latest news news title, source, url, publishedAt, description

Read the full file on GitHub · 123 lines

Files

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.

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. 10d ago First seen · 123 lines · 185 tokens per session scan A 6f483b00fdd8

Subscribe to this mod's changes

hormuz-strait is a skill published in the GitHub repository himself65/finance-skills (3,302 stars, last pushed 13d ago), licensed MIT. It adds 185 tokens to every session and 1,494 once invoked, about $0.0009 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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