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.
npx agentmods add skills/kenny-stacks/stacks-claude-plugin/plugin-helpnpx skills add kenny-stacks/stacks-claude-plugin --skill plugin-helpgit clone --depth 1 https://github.com/kenny-stacks/stacks-claude-pluginWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00031 | $0.00912 |
| Opus 5 | $0.00015 | $0.00456 |
| Sonnet 5 | $0.00006 | $0.00182 |
| Haiku 4.5 | $0.00003 | $0.00091 |
Grade A, and why
plugin-help 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 3d 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.
How it starts
The opening of the file, as written. The whole thing — 121 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Plugin Help Skill
Display comprehensive help information about the Stacks plugin.
Instructions
When this skill is invoked, display the following information to the user:
Stacks Plugin v1.0.0
Enhances Claude for developing Clarity smart contracts on the Stacks blockchain.
Available Commands
| Command | Description |
|---|---|
/stacks:init |
Initialize the plugin for your project. Copies knowledge files and optionally starts dev servers. |
/stacks:help |
Show this help information. |
/stacks:expert-advice |
Get expert review of your Clarity contracts against best practices and security patterns. |
/stacks:update-docs |
Refresh the documentation index from docs.stacks.co/llms.txt. |
Available Skills
| Skill | When It Activates |
|---|---|
| run-tests | When you want to run tests, check coverage, or debug test failures. |
| deploy-contract | When you want to deploy contracts to testnet or mainnet. |
| start-dev-server | When you want to start Clarinet devnet and frontend servers for local development. |
| plugin-help | When you ask about plugin capabilities or run /stacks:help. |
Example Prompts
Getting Started:
- "Initialize the Stacks plugin" → Runs
/stacks:init - "Start the dev servers" → Invokes start-dev-server skill
- "What can the Stacks plugin do?" → Shows this help
Contract Development:
- "Create a new counter contract"
- "Add a transfer function to my token contract"
- "Write tests for the vault contract"
Code Review:
- "Review my contracts for best practices" → Runs
/stacks:expert-advice - "Check my contract for security issues"
- "Optimize my contract storage"
Testing:
- "Run the tests" → Invokes run-tests skill
- "Check test coverage"
- "Why is toBeOk not a function?"
Deployment:
- "Deploy my contract to testnet" → Invokes deploy-contract skill
- "Deploy to mainnet"
- "What are the deployment steps?"
Frontend Integration:
- "Connect the wallet to my app"
- "Add a button to call the transfer function"
- "Show me how to use post-conditions"
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.
- 3d ago First seen · 121 lines · 31 tokens per session scan A d92f5a57eafb
plugin-help is a skill published in the GitHub repository kenny-stacks/stacks-claude-plugin (11 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 31 tokens to every session and 912 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 2026-08-30.
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