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 skills add lubochka/xiigen-general-skills --skill plan-before-executiongit clone --depth 1 https://github.com/lubochka/xiigen-general-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/skills/lubochka/xiigen-general-skills/plan-before-execution)<a href="https://agentmods.dev/skills/lubochka/xiigen-general-skills/plan-before-execution"><img src="https://agentmods.dev/badge/skills/lubochka/xiigen-general-skills/plan-before-execution/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/lubochka/xiigen-general-skills/plan-before-execution"><img src="https://agentmods.dev/badge/skills/lubochka/xiigen-general-skills/plan-before-execution.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 | $0.00029 | $0.00193 |
| Opus 5 | $0.00015 | $0.00097 |
| Sonnet 5 | $0.00006 | $0.00039 |
| Haiku 4.5 | $0.00003 | $0.00019 |
Grade A, and why
plan-before-execution 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 10d 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
Plan Before Execution
Purpose
Create a bounded plan before non-trivial work.
When to Use
Use for multi-file, high-risk, ambiguous, or delegated work.
Inputs
Goal, scope, constraints, source files, risks, verification options.
Steps
- Restate the goal.
- Define in-scope and out-of-scope work.
- Split execution into reviewable phases.
- Attach verification to each risky phase.
Gates
The plan covers the user request, constraints, blockers, and checks.
Evidence
An actionable plan or checklist exists before implementation.
Anti-Patterns
Editing first and discovering scope later; treating a plan as approval.
Related
scope-and-blockers, assumption-registry
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.
- 10d ago First seen · 34 lines · 29 tokens per session scan A 804781c5d599
plan-before-execution is a skill published in the GitHub repository lubochka/xiigen-general-skills (1 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 29 tokens to every session and 193 once invoked, about $0.0001 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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