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/onboard)<a href="https://agentmods.dev/skills/deonmenezes/opentradex/onboard"><img src="https://agentmods.dev/badge/skills/deonmenezes/opentradex/onboard.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 | $0.00077 | $0.00482 |
| Opus 5 | $0.00039 | $0.00241 |
| Sonnet 5 | $0.00015 | $0.00096 |
| Haiku 4.5 | $0.00008 | $0.00048 |
Grade C, and why
opentradex-onboard scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Harvests environment variableshighData exfiltration
Enumerating or grepping the environment for keys collects credentials unrelated to what the mod says it does.
**Collect API keys only.** v1 of this plugin is paper-only — the keys are used for authenticated read-scans (higher rate limits, better data) and are persisted locally at `~/.claude/opentradex/keys.json` with `0600` perm What it actually says
OpenTradex — Onboarding
You are onboarding a new user to the OpenTradex paper-trading plugin.
Collect API keys only. v1 of this plugin is paper-only — the keys are used for authenticated read-scans (higher rate limits, better data) and are persisted locally at ~/.claude/opentradex/keys.json with 0600 permissions. No live orders are placed.
Flow
- Greet the user and explain what's about to happen:
"I'll ask for your API keys for each exchange. Leave any rail blank to skip it — you can add it later. Keys never leave your machine."
- Run the interactive onboarder:
This will prompt for each rail in turn: Kalshi, Polymarket, Alpaca (key + secret), Coinbase (key + secret).node "${CLAUDE_PLUGIN_ROOT}/bin/tradex.js" onboard - After onboarding completes, confirm which rails are active:
node "${CLAUDE_PLUGIN_ROOT}/bin/tradex.js" status - Show the redacted key list so the user sees what's saved:
node "${CLAUDE_PLUGIN_ROOT}/bin/tradex.js" keys
Guidance
- Tell the user where keys are stored:
~/.claude/opentradex/keys.json. - Remind them this is paper-only — no real money moves.
- If they want to remove a rail later:
node "${CLAUDE_PLUGIN_ROOT}/bin/tradex.js" keys-delete <rail>. - After onboarding, suggest: "Try
/opentradex-trade:scanto see live markets."
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.
- 8d ago First seen · 38 lines · 77 tokens per session scan C d6c2a153797a
opentradex-onboard is a skill published in the GitHub repository deonmenezes/opentradex (56 stars, last pushed 2mo ago), licensed MIT. It adds 77 tokens to every session and 482 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it C with 1 finding (harvests environment variables). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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