Clubhouse-Workshop: Skill for Claude Code

.claude/skills/create-version-snapshot/SKILL.md

create-version-snapshot is a skill for Claude Code from Agent-Clubhouse/Clubhouse-Workshop. It costs 49 tokens per session (1,237 once invoked), scanned A, original, MIT.

A procedure for creating a new version of an SDK, a software package that lets programs use an API. It compares the Clubhouse app's source types with the previous SDK version and builds a complete snapshot.

In plain words
What is it for?
It helps validate a new version number, read the source type definitions, find added or changed API types and methods, and generate the new SDK version directory.
Why use it?
It reduces the manual work and missed changes involved when the API changes.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter.

This is Agent-Clubhouse/Clubhouse-Workshop's own configuration. It tells Claude Code how to work on Clubhouse-Workshop 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 Clubhouse-Workshop configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Agent-Clubhouse/Clubhouse-Workshop. 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/Agent-Clubhouse/Clubhouse-Workshop/main/.claude/skills/create-version-snapshot/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Agent-Clubhouse/Clubhouse-Workshop

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.

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README.md
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Your own site
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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.

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Your own site · 80×15
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Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,237 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 $0.00049 $0.01237
Opus 5 $0.00024 $0.00619
Sonnet 5 $0.00010 $0.00247
Haiku 4.5 $0.00005 $0.00124

Measured 11d ago against content hash 4a6f7bcbff69, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

create-version-snapshot 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 11d 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/create-version-snapshot/SKILL.md · 168 lines

How it starts

The opening of the file, as written. The whole thing — 168 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Create Version Snapshot

You are creating a new SDK version snapshot. This involves parsing the Clubhouse app's source types, diffing against the previous version, and generating a complete new SDK version directory.

Step 1: Determine the target version

If a version number was provided via $ARGUMENTS, validate it. Otherwise, ask the user.

  1. Read sdk/versions.json to find the current latest version
  2. Validate the target version is greater than the current latest (use semver-style comparison on the version strings, e.g. "0.6" > "0.5")
  3. If invalid, explain and ask again

Step 2: Locate the Clubhouse source

Ask the user for the path to the Clubhouse application source code, or reuse a previously provided path. The source of truth is:

<source-path>/src/shared/plugin-types.ts

Verify this file exists before proceeding. If it doesn't, ask for correction.

Step 3: Parse and diff

  1. Read the source plugin-types.ts from the Clubhouse app
  2. Read the previous version's sdk/v{prev}/plugin-types/index.d.ts
  3. Compare the two and identify:
    • Added: New types, interfaces, methods, or properties
    • Changed: Modified signatures, added optional fields, changed types
    • Removed: Deleted types, interfaces, methods, or properties
  4. Present a summary to the user in a clear table format:
API Changes: v{prev} → v{new}

Added:
  - api.foo.newMethod(args): ReturnType
  - NewInterface

Changed:
  - api.bar.existingMethod — added optional `options` parameter
  - ExistingType — field `x` changed from string to number

Removed:
  - api.baz.deprecatedMethod
  - OldInterface
  1. Ask for confirmation before generating files

Step 4: Generate the new SDK version

On confirmation:

sdk/v{new}/plugin-types/

  1. index.d.ts — The new type definitions, derived from the Clubhouse source. Add a header comment:
    /**
     * Clubhouse Plugin API — v{new}
     *
     * Type definitions for the Clubhouse plugin SDK.
     * Generated from the Clubhouse application source.
     *
     * @version {new}
     * @see https://github.com/Agent-Clubhouse/Clubhouse-Workshop
     */
    

Read the full file on GitHub · 168 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. 11d ago First seen · 168 lines · 49 tokens per session scan A 4a6f7bcbff69

Subscribe to this mod's changes

create-version-snapshot is a skill published in the GitHub repository Agent-Clubhouse/Clubhouse-Workshop (2 stars, last pushed 3mo ago), licensed MIT. It adds 49 tokens to every session and 1,237 once invoked, about $0.0002 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 2026-08-31.

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