Borrowing it
Nothing to install: this file belongs to charleslucas/poe_mcp_suite. 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/charleslucas/poe_mcp_suite/main/.claude/skills/build-design/SKILL.mdgit clone --depth 1 https://github.com/charleslucas/poe_mcp_suiteWrote 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/skills/charleslucas/poe_mcp_suite/build-design)<a href="https://agentmods.dev/skills/charleslucas/poe_mcp_suite/build-design"><img src="https://agentmods.dev/badge/skills/charleslucas/poe_mcp_suite/build-design/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/skills/charleslucas/poe_mcp_suite/build-design"><img src="https://agentmods.dev/badge/skills/charleslucas/poe_mcp_suite/build-design.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 | $0.00054 | $0.00248 |
| Opus 5.5 | $0.00022 | $0.00099 |
| Sonnet 5.5 | $0.00011 | $0.00050 |
| Haiku 4.5 | $0.00005 | $0.00025 |
Grade A, and why
build-design 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 1mo 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.
What it actually says
This task uses the Build Design playbook. The playbooks in playbooks/ are the single source of truth — read them rather than working from memory, so you always get the current version.
- Read
playbooks/README.mdfirst — the shared meta-framework (cursory-vs-detailed gate, context/pre-flight protocol, league reference, trust hierarchy, narration norms). - Then read
playbooks/build-design.mdand follow it for this task.
Do not summarize or duplicate the playbook content here.
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.
- 1mo ago First seen · 13 lines · 54 tokens per session scan A 042bbbfa9e31
build-design is a skill published in the GitHub repository charleslucas/poe_mcp_suite (10 stars, last pushed 10d ago), licensed MIT. It adds 54 tokens to every session and 248 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 2026-08-31.
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