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/stevysmith/stacktree-mcp/stacktree-publishnpx skills add stevysmith/stacktree-mcp --skill stacktree-publishgit clone --depth 1 https://github.com/stevysmith/stacktree-mcpWhat 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 | $0.00116 | $0.03231 |
| Opus 5 | $0.00058 | $0.01615 |
| Sonnet 5 | $0.00023 | $0.00646 |
| Haiku 4.5 | $0.00012 | $0.00323 |
Grade A, and why
stacktree-publish 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 yesterday.
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 — 183 lines — stays where its author put it; the contents beside it link to each section on GitHub.
stacktree-publish
Publish an HTML artifact to stacktr.ee and return the URL into the conversation.
When to invoke
- User asks to publish, share, host, or drop an HTML / Markdown artifact you just generated.
- User wants a link to a hosted version of a page they just saw (e.g. a dashboard, mock, table).
- You just produced an HTML artifact and the user will benefit from a browser view.
Do not use this for code that isn't a complete static page (e.g. fragments, JSX components without a host page). Wrap the fragment in a minimal HTML shell first.
How to publish
This skill is installed alongside the stacktree MCP server by npx stacktree-install. That means you already have stacktree tools available — call them directly, no shell scripts required.
The tools you will use most:
| Tool | Purpose |
|---|---|
publish_html |
Upload HTML. Returns { url, id, expires_at, ... }. |
update_site |
Replace HTML in place — URL stays stable across revisions. |
set_password |
Add or clear a passcode gate. Paid plans only. |
set_email_gate |
Restrict viewers to a specific email domain. Paid plans only. |
set_expiry |
Set hours-from-now expiry, or null for never. |
set_agentation |
Toggle the on-page Agentation feedback toolbar. |
list_sites |
List sites owned by this API key. |
list_client_spaces |
List the client spaces pages are filed under. |
set_client |
File an existing page under a client, or detach it. |
create_client_space |
Create a client space up front (publishing auto-creates one anyway). |
update_client_space |
Rename, archive/unarchive, or gate a whole client space. |
delete_client_space |
Delete a space; its pages detach and keep working. |
delete_site |
Hard delete a site. |
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.
- yesterday First seen · 183 lines · 116 tokens per session scan A 3d693c1c16fb
stacktree-publish is a skill published in the GitHub repository stevysmith/stacktree-mcp (0 stars, last pushed 11d ago), licensed MIT. It adds 116 tokens to every session and 3,231 once invoked, about $0.0006 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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