weather-forecast

weather-forecast is a skill for Claude Code, Codex from runxhq/runx. It costs 52 tokens per session (563 once invoked), scanned A, original, Apache-2.0.

A read-only tool that interprets supplied weather evidence and produces a forecast summary with uncertainty and conditions for stopping. It does not fetch forecasts or make safety decisions.

In plain words
What is it for?
It is for summarizing weather periods, hazards, uncertainty, and planning implications after another tool has obtained the forecast.
Why use it?
It keeps planning advice tied to the weather source and timestamp provided, while identifying evidence that is stale, incomplete, or too ambiguous to use.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It is for summarizing weather periods, hazards, uncertainty, and planning implications after another tool has obtained the forecast.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/runxhq/runx/weather-forecast
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 runxhq/runx --skill weather-forecast
Clone the repo
git clone --depth 1 https://github.com/runxhq/runx

Made for: Claude Code, Codex.

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 weather-forecast

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/runxhq/runx/weather-forecast"><img src="https://agentmods.dev/badge/skills/runxhq/runx/weather-forecast.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 563 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • 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 $0.00052 $0.00563
Opus 5 $0.00026 $0.00282
Sonnet 5 $0.00010 $0.00113
Haiku 4.5 $0.00005 $0.00056

Measured 9d ago against content hash b1828f418780, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

weather-forecast scanned grade A with 0 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 9d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (weather-forecast.mjs), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/weather-forecast/SKILL.md · 56 lines

How it starts

The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Weather Forecast

Interpret supplied weather evidence, then let the deterministic finalizer bind the result to that evidence.

This skill is read-only. It does not fetch forecasts, send alerts, change schedules, or mutate provider state. Use nws-weather-forecast, open-meteo-weather-forecast, or another provider skill to obtain evidence first.

Procedure

  1. Identify the requested location, horizon, purpose, and freshness requirement.
  2. Read only forecast_evidence. Do not add provider references, timestamps, or forecast periods that are absent from it.
  3. Assess whether the evidence is fresh and complete enough for the stated purpose. Return needs_more_evidence when it is stale, ambiguous, unsupported, or too thin.
  4. Summarize relevant periods, uncertainty, hazards, and planning implications without claiming a downstream action occurred.
  5. Return refused for emergency, evacuation, aviation, maritime, medical, or other life-safety use.

The finalizer enforces the requested location and horizon, context-only authority, provider identity, provenance references, generation timestamp, and period-name fidelity. A draft that invents any of those fails instead of sealing a forecast packet.

Output

decision: ready | needs_input | needs_more_evidence | refused
location: string
horizon: string
forecast_packet:
  summary: string
  periods: array
  hazards: array
  confidence: string
  generated_at: string
provider_evidence:
  provider: string
  source_refs: array
  receipt_refs: array
safety_notes: array
stop_conditions: array
receipt_notes:
  authority: context-only
  mutation: false

For ready, the supplied evidence must include provider, generated_at, periods, and at least one source_ref or receipt_ref. Missing forecast_evidence stops before agent interpretation. A missing optional horizon remains an empty string; the agent must not invent one.

Agent task contracts

weather-forecast-interpret

Interpret only the supplied forecast evidence and return forecast_draft using the documented output fields. Preserve the requested location and horizon, provider, generated_at, source_refs, receipt_refs, and relevant period names. Summaries, hazards, uncertainty, and stop conditions require analyst judgment, but do not invent evidence. Return needs_more_evidence when freshness or coverage is insufficient. Return refused for life-safety use.

Read the full file on GitHub · 56 lines

Files

What ships with it

6 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. 9d ago First seen · 56 lines · 52 tokens per session scan A b1828f418780

Subscribe to this mod's changes

weather-forecast is a skill published in the GitHub repository runxhq/runx (87 stars, last pushed 3d ago), licensed Apache-2.0. It adds 52 tokens to every session and 563 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.