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opentradex-scan

opentradex-scan is a skill for Claude Code from deonmenezes/opentradex. It costs 71 tokens per session (391 once invoked), scanned A, original, MIT.

A market-scanning skill for Kalshi and Polymarket prediction markets, plus Alpaca and Coinbase financial markets. It returns a ranked list of available markets for the user to review.

In plain words
What is it for?
Use it to scan prediction markets, crypto, or other enabled market types and compare symbols, prices, titles, and trading volume.
Why use it?
It gathers current market information in one place before a user decides what to trade, without placing an order.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the opentradex-trade plugin — 9 skills shipped together

not rated 57repo 4mo ago A scan 71 tokens original MIT

Good fit Use it to scan prediction markets, crypto, or other enabled market types and compare symbols, prices, titles, and trading volume.

Compare 6 skills from other repositories ↓
View source ↗ deonmenezes/opentradex discord.gg
Install

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.

Claude Code
/plugin marketplace add deonmenezes/opentradex
Claude Code
/plugin install opentradex-trade

Made for: Claude Code.

Or install opentradex-trade, the plugin that ships this one along with the rest of its 9 skills.

Wrote 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.

agentmods badge for opentradex-scan

README.md
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Your own site
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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.

agentmods 80×15 button for opentradex-scan

Your own site · 80×15
<a href="https://agentmods.dev/skills/deonmenezes/opentradex/scan"><img src="https://agentmods.dev/badge/skills/deonmenezes/opentradex/scan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 71 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 391 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00071 $0.00391
Opus 5.5 $0.00028 $0.00156
Sonnet 5.5 $0.00014 $0.00078
Haiku 4.5 $0.00007 $0.00039

Measured 2mo ago against content hash 35f667f8a103, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

opentradex-scan 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 2mo 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.

opentradex-trade/skills/scan/SKILL.md · 30 lines

What it actually says

OpenTradex — Scan Markets

Scan live markets and present the results in a short, skim-friendly table so the user can pick a candidate.

User arguments: $ARGUMENTS (Optional rail filter: one of kalshi | polymarket | alpaca | coinbase. Optional limit, default 10.)

Flow

  1. Live scan: run the scanner with the user's rail/limit filter: !node "${CLAUDE_PLUGIN_ROOT}/bin/tradex.js" scan $ARGUMENTS
  2. Parse the JSON output. For each market, show: rail, symbol, title (if present), bid/ask (or yesBid/yesAsk for binary markets), volume.
  3. If the user is new (no rails enabled), call: !node "${CLAUDE_PLUGIN_ROOT}/bin/tradex.js" status and tell them to run /opentradex-trade:onboard first.
  4. End with a one-line nudge: "Want to paper-buy one? Reply with the rail + symbol + qty and I'll size it."

Rules

  • Never place orders from this skill. This is read-only.
  • Keep output tight — 10 rows max unless the user asks for more.
  • If error appears on a rail row, show the error briefly and skip; never fabricate prices.
Changes

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.

  1. 2mo ago First seen · 30 lines · 0 tokens per session scan A 35f667f8a103

Subscribe to this mod's changes

opentradex-scan is a skill published in the GitHub repository deonmenezes/opentradex (57 stars, last pushed 4mo ago), licensed MIT. It adds 71 tokens to every session and 391 once invoked, about $0.0003 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 2026-08-30.

Finance and fintech
Related

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