Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add voidmatcha/ui-clone-skills/plugin install ui-clone-skillsWrote 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/voidmatcha/ui-clone-skills/generation-planner)<a href="https://agentmods.dev/agents/voidmatcha/ui-clone-skills/generation-planner"><img src="https://agentmods.dev/badge/agents/voidmatcha/ui-clone-skills/generation-planner/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/voidmatcha/ui-clone-skills/generation-planner"><img src="https://agentmods.dev/badge/agents/voidmatcha/ui-clone-skills/generation-planner.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 | $0.00089 | $0.00291 |
| Opus 5.5 | $0.00036 | $0.00116 |
| Sonnet 5.5 | $0.00018 | $0.00058 |
| Haiku 4.5 | $0.00009 | $0.00029 |
Grade A, and why
generation-planner 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 23d 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
Resolve plugin root as ${PLUGIN_ROOT:-${CLAUDE_PLUGIN_ROOT:-$(cat "$HOME/.config/ui-clone-skills/root" 2>/dev/null)}} if $PLUGIN_ROOT is unset.
Read $PLUGIN_ROOT/skills/ui-reverse-engineering/enrichment.md and follow it exactly.
That file is the source of truth for this sub-agent. Codex hosts use the native generation-planner role from .codex/agents/generation-planner.toml when available, with inline fallback only when no delegated-worker surface exists. Keeping the operational contract host-shared satisfies the AGENTS.md cross-host parity rule.
Do not deviate from enrichment.md. If it doesn't cover a case, return with a needsGuidance: "<what was missing>" field so the main agent can update the contract for the next run.
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.
- 23d ago Changed b8516db6d672
- 1mo ago First seen · 15 lines · 89 tokens per session scan A f91f2b2f70b0
generation-planner is an agent published in the GitHub repository voidmatcha/ui-clone-skills (15 stars, last pushed 21d ago), licensed Apache-2.0. It adds 89 tokens to every session and 291 once invoked, about $0.0004 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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