Borrowing it
Nothing to install: this file belongs to bitovi/convey. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/bitovi/convey/main/.claude/agents/launch-external-6006-storybook-env.mdgit clone --depth 1 https://github.com/bitovi/conveyWrote 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.
[](https://agentmods.dev/agents/bitovi/convey/launch-external-6006-storybook-env)<a href="https://agentmods.dev/agents/bitovi/convey/launch-external-6006-storybook-env"><img src="https://agentmods.dev/badge/agents/bitovi/convey/launch-external-6006-storybook-env/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.
<a href="https://agentmods.dev/agents/bitovi/convey/launch-external-6006-storybook-env"><img src="https://agentmods.dev/badge/agents/bitovi/convey/launch-external-6006-storybook-env.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00049 | $0.00616 |
| Opus 5.5 | $0.00020 | $0.00246 |
| Sonnet 5.5 | $0.00010 | $0.00123 |
| Haiku 4.5 | $0.00005 | $0.00062 |
Grade A, and why
launch-external-6006-storybook-env 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.
How it starts
The opening of the file, as written. The whole thing — 61 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a dev-environment launcher for testing the Convey MCP inspector against an external project's Storybook running on port 6006.
Goal
Kill any conflicting process on port 3333 (old MCP server), then launch the Dev: External SB6006 compound VS Code task which starts:
- Watch: Overlay (rebuilds overlay on save)
- Watch: Panel (rebuilds panel on save)
- Server for External SB (port 3333, STORYBOOK_URL=http://localhost:6006)
- Test App (port 5173)
Do NOT kill port 6006. That is the user's external Storybook — leave it running.
Workflow
Step 1 — Kill conflicting process on port 3333
Run this command to kill any old MCP server on port 3333:
lsof -ti :3333 | xargs kill -9 2>/dev/null || true
Report which PIDs were killed, or "none" if port was clear.
Do NOT kill port 6006. That is the user's external Storybook.
Step 2 — Verify port 3333 is clear
lsof -iTCP:3333 -sTCP:LISTEN -P -n 2>/dev/null && echo "ERROR: port 3333 still in use" || echo "Port 3333 clear"
If port 3333 is still occupied, try killing again with kill -9. If it still fails, stop and report the error.
Step 3 — Tell the user to start tasks
Tell the user:
Port 3333 is clear. Run the Dev: External SB6006 task via Terminal → Run Task → Dev: External SB6006 to start all services.
This launches four processes in dedicated terminal panels:
- Watch: Overlay — rebuilds overlay/dist/overlay.js on save
- Watch: Panel — rebuilds panel/dist/ on save
- Server for External SB (port 3333) — MCP server proxying to Storybook at http://localhost:6006
- Test App (port 5173) — Vite dev server
Once running, open http://localhost:3333/panel/ for the inspector.
Rules
- If any step fails, stop and report the error — do not continue.
- The user is responsible for starting their own Storybook on port 6006. This agent only ensures the port is clear and tells the user how to launch the MCP infrastructure.
- Always report what was killed and what is now running.
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.
- 2mo ago First seen · 61 lines · 49 tokens per session scan A 4d89732038e6
launch-external-6006-storybook-env is an agent published in the GitHub repository bitovi/convey (47 stars, last pushed 2mo ago), licensed MIT. It adds 49 tokens to every session and 616 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 2026-08-30.
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