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hop: Skill for Claude Code

.claude/skills/publish-mcp/SKILL.md

publish-mcp is a skill for Claude Code from danmartuszewski/hop. It costs 13 tokens per session (239 once invoked), scanned A, original, MIT.

A procedure for publishing updated metadata about an MCP server to the MCP Registry, a catalogue of servers that AI clients can discover and use.

In plain words
What is it for?
Use it when releasing a new version of the hop MCP server and publishing that version to the MCP Registry.
Why use it?
It keeps the registry version aligned with the latest GitHub release and completes the required commit, push, and publication steps.

Skill for Claude Code

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

This is danmartuszewski/hop's own configuration. It tells Claude Code how to work on hop 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 hop configures →

not rated 64repo 5d ago A scan 13 tokens original MIT
View source ↗ danmartuszewski/hop
Reuse

Borrowing it

Nothing to install: this file belongs to danmartuszewski/hop. 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/danmartuszewski/hop/main/.claude/skills/publish-mcp/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/danmartuszewski/hop

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 publish-mcp

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/danmartuszewski/hop/publish-mcp"><img src="https://agentmods.dev/badge/skills/danmartuszewski/hop/publish-mcp.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 239 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 $0.00013 $0.00239
Opus 5.5 $0.00005 $0.00096
Sonnet 5.5 $0.00003 $0.00048
Haiku 4.5 $0.00001 $0.00024

Measured 2mo ago against content hash e8945aeac6b7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

publish-mcp 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 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.

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/publish-mcp/SKILL.md · 38 lines

What it actually says

Publish the hop MCP server to the MCP Registry with the latest release version.

Steps

  1. Get the latest release version from GitHub:

    gh release view --repo danmartuszewski/hop --json tagName -q .tagName

    Strip the leading v prefix (e.g. v1.2.0 → 1.2.0).

  2. Read server.json and check if the version already matches. If it does, inform the user and stop.

  3. Update the version field in server.json to the latest release version.

  4. Commit the change:

    git add server.json && git commit -m "chore: bump server.json version to <version>"

  5. Push to remote:

    git push

  6. Publish to the MCP Registry:

    mcp-publisher publish

  7. Report the result to the user.

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 · 38 lines · 13 tokens per session scan A e8945aeac6b7

Subscribe to this mod's changes

publish-mcp is a skill published in the GitHub repository danmartuszewski/hop (64 stars, last pushed 5d ago), licensed MIT. It adds 13 tokens to every session and 239 once invoked, about $0.0001 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 2026-08-30.

Building agentsDevOps and cloudclimcpmcp-servermodel-context-protocolssh
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mcp-scorecarddavidmosiah/mcp-scorecardSkill1yesterdayMITA21Claude Code, Codex