open-meteo-mcp: Skill for Claude Code

.claude/skills/release/SKILL.md

release is a skill for Claude Code from cmer81/open-meteo-mcp. It costs 54 tokens per session (554 once invoked), scanned A, original, MIT.

A release procedure for publishing a new version of an npm package, which is a JavaScript package distributed through npm. It covers version changes, changelog updates, tests, build checks, security audits, tagging, and automated publishing.

In plain words
What is it for?
Use it when releasing, publishing, tagging, or increasing the patch, minor, or major version of the open-meteo-mcp-server package.
Why use it?
It provides a defined sequence of checks before a version is published and avoids publishing locally in a way that could make mistakes permanent.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter.

This is cmer81/open-meteo-mcp's own configuration. It tells Claude Code how to work on open-meteo-mcp 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 open-meteo-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to cmer81/open-meteo-mcp. 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/cmer81/open-meteo-mcp/main/.claude/skills/release/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/cmer81/open-meteo-mcp

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 release

README.md
[![agentmods](https://agentmods.dev/badge/skills/cmer81/open-meteo-mcp/release/github.svg)](https://agentmods.dev/skills/cmer81/open-meteo-mcp/release)
Your own site
<a href="https://agentmods.dev/skills/cmer81/open-meteo-mcp/release"><img src="https://agentmods.dev/badge/skills/cmer81/open-meteo-mcp/release/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 release

Your own site · 80×15
<a href="https://agentmods.dev/skills/cmer81/open-meteo-mcp/release"><img src="https://agentmods.dev/badge/skills/cmer81/open-meteo-mcp/release.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 554 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.
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 $0.00054 $0.00554
Opus 5.5 $0.00022 $0.00222
Sonnet 5.5 $0.00011 $0.00111
Haiku 4.5 $0.00005 $0.00055

Measured 24d ago against content hash 7e396950b56d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

release 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 24d 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.

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.

.claude/skills/release/SKILL.md · 40 lines

What it actually says

Releasing

Never run npm publish locally — publishing is automated and a version number is burned permanently once used. .github/workflows/release.yml triggers on any v* tag, fails if the tag does not match the package.json version, then runs npm ci → npm test → npm run build → npm audit → npm publish --provenance, creates the GitHub release, and only then builds and pushes the Docker image to GHCR.

1. Pre-release verification

npm test mocks the network, so it cannot tell whether the server still works. Both of these must be green before tagging:

npm run build && npm run smoke   # every tool, once, against the live API
npm audit --audit-level high --omit=dev

npm run smoke (scripts/smoke-test.mjs) starts the built server over stdio with a real MCP client and calls all 17 tools. It is the only check that catches a tool publishing an empty input schema (see .claude/rules/tool-schemas.md).

2. Prepare main

  1. Land the changes on main (the tag is cut from whatever main points at).
  2. Add the version's entry to CHANGELOG.md and commit it — npm version creates the release commit immediately after, so a changelog added later lands in the next release.

3. Tag

npm run release:patch   # 2.0.2 -> 2.0.3
npm run release:minor   # 2.0.2 -> 2.1.0
npm run release:major   # 2.0.2 -> 3.0.0

Each runs npm version <level> && git push origin main --tags, which triggers the workflow. Confirm with the user before running it.

4. After publishing

npm takes a few minutes to serve the new version. npm view open-meteo-mcp-server version returning the previous number right after a publish is propagation lag, not a failed release — confirm with the workflow log, which ends with + open-meteo-mcp-server@<version>.

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. 24d ago First seen · 40 lines · 54 tokens per session scan A 7e396950b56d

Subscribe to this mod's changes

release is a skill published in the GitHub repository cmer81/open-meteo-mcp (72 stars, last pushed today), licensed MIT. It adds 54 tokens to every session and 554 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-10-04.

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