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 deonmenezes/opentradex/plugin install opentradex-tradeWrote 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/deonmenezes/opentradex/buy)<a href="https://agentmods.dev/skills/deonmenezes/opentradex/buy"><img src="https://agentmods.dev/badge/skills/deonmenezes/opentradex/buy/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/deonmenezes/opentradex/buy"><img src="https://agentmods.dev/badge/skills/deonmenezes/opentradex/buy.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 | $0.00075 | $0.00427 |
| Opus 5 | $0.00037 | $0.00214 |
| Sonnet 5 | $0.00015 | $0.00085 |
| Haiku 4.5 | $0.00007 | $0.00043 |
Grade A, and why
opentradex-buy 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 9d 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
OpenTradex — Paper Buy
Open a long paper position.
User arguments: $ARGUMENTS — expected form <rail> <symbol> <qty> [price].
Flow
- Validate the user gave you all four pieces (
rail,symbol,qty, optionalprice). If anything is missing, ask for exactly what's missing in one short sentence — don't re-ask fields the user already gave. - Pre-trade risk check: quote the open position count and current exposure:
!
node "${CLAUDE_PLUGIN_ROOT}/bin/tradex.js" riskIfopenPositions ≥ 5ordailyTotal ≤ -50, warn the user and confirm before proceeding. - Place the paper buy:
!
node "${CLAUDE_PLUGIN_ROOT}/bin/tradex.js" buy $ARGUMENTS - Echo the fill price, position id, and remind the user: "To close:
/opentradex-trade:sell <position-id>."
Rules
- This is paper-only. Never claim real fills.
- Price units: prediction markets (Kalshi/Polymarket) use 0–1 (probability); stocks (Alpaca) and crypto (Coinbase) use raw currency.
- If the rail isn't enabled, tell the user to run
/opentradex-trade:onboardfirst.
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.
- 9d ago First seen · 29 lines · 75 tokens per session scan A 5b80650d6c10
opentradex-buy is a skill published in the GitHub repository deonmenezes/opentradex (56 stars, last pushed 2mo ago), licensed MIT. It adds 75 tokens to every session and 427 once invoked, about $0.0004 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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