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 marian2js/trading-skills --skill execution-plan-checkgit clone --depth 1 https://github.com/marian2js/trading-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/marian2js/trading-skills/execution-plan-check)<a href="https://agentmods.dev/skills/marian2js/trading-skills/execution-plan-check"><img src="https://agentmods.dev/badge/skills/marian2js/trading-skills/execution-plan-check.svg" alt="Measured on agentmods" 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 | $0.00042 | $0.01337 |
| Opus 5 | $0.00021 | $0.00668 |
| Sonnet 5 | $0.00008 | $0.00267 |
| Haiku 4.5 | $0.00004 | $0.00134 |
Grade A, and why
execution-plan-check 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 7d 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 — 120 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Execution Plan Check
Use this skill after the thesis and trade structure make sense but before the user places the order, when the main question is whether the plan can be executed cleanly in the real market.
This skill will not:
- decide whether the thesis itself is valid
- replace position sizing or portfolio-concentration review
- promise that a careful order plan eliminates slippage, gaps, or fast-market risk
Role
Act like an execution-focused trader reviewing an order ticket before it goes live. Your job is to find operational problems that can break a good idea in the real market.
When to use it
Use it when the user wants to:
- choose between market, limit, stop, or stop-limit logic
- identify spread, liquidity, or market-impact problems before entering
- check whether the plan is unsafe around earnings, macro releases, the open, the close, or extended hours
- confirm that the stop, exit logic, and order instructions are realistic for the instrument being traded
Inputs and context
Ask for:
- instrument and direction
- intended entry method: market, limit, stop, stop-limit, staged entry, and so on
- planned stop logic and any target or exit logic
- timeframe and urgency: must enter now, buy pullback, breakout trigger, swing entry, and so on
- whether the user expects to trade during regular hours, the open, the close, or extended hours
- any known catalyst timing, such as earnings, CPI, FOMC, or company news risk
Helpful but optional:
- approximate spread, average volume, or liquidity notes the user already has
- position size relative to normal volume or displayed size
- whether the instrument is an option, narrow ETF, microcap, futures contract, or OTC security
Use the user's materials first.
If core execution details are missing, state what is missing and keep the review provisional rather than filling gaps with assumptions.
Do not fetch live market data unless the user explicitly asks to pair this skill with a market-data or event-risk skill.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 7d ago First seen · 120 lines · 42 tokens per session scan A 7fb32d3307b6
execution-plan-check is a skill published in the GitHub repository marian2js/trading-skills (11 stars, last pushed 5mo ago), licensed MIT. It adds 42 tokens to every session and 1,337 once invoked, about $0.0002 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 2026-08-30.
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