What is binance-spot-openapi-skill?

A connection to Binance’s Spot REST APIs for market data, account information, and selected order operations. REST is a request-and-response style of web API.

Use it to read market data, check signed account and order details, test orders, and place or cancel supported Spot orders.

It keeps public reads, authenticated account checks, test orders, and supported order actions in one documented interface, with separate mainnet and testnet connections.

binance-spot-openapi-skill — Skill for Codex by holon-run

Install

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.

Any agent

npx skills add holon-run/uxc --skill binance-spot-openapi-skill

Clone the repo

git clone --depth 1 https://github.com/holon-run/uxc

Made for: Codex.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/holon-run/uxc/binance-spot-openapi-skill.svg)](https://agentmods.dev/skills/holon-run/uxc/binance-spot-openapi-skill)

Your own site

<a href="https://agentmods.dev/skills/holon-run/uxc/binance-spot-openapi-skill"><img src="https://agentmods.dev/badge/skills/holon-run/uxc/binance-spot-openapi-skill.svg" alt="Measured on agentmods" height="20"></a>

Per session 42 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 2,610 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. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00042	$0.02610
Opus 5	$0.00021	$0.01305
Sonnet 5	$0.00008	$0.00522
Haiku 4.5	$0.00004	$0.00261

Measured 8d ago against content hash 05750571a494, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

binance-spot-openapi-skill 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 8d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/validate.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/binance-spot-openapi-skill/SKILL.md · 237 lines

How it starts

The opening of the file, as written. The whole thing — 237 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Binance Spot API Skill

Use this skill to run Binance Spot REST operations through uxc + OpenAPI.

Reuse the uxc skill for shared execution, auth, and error-handling guidance.

Prerequisites

uxc is installed and available in PATH.
Network access to:
- https://api.binance.com
- https://testnet.binance.vision
Access to the curated OpenAPI schema URL:
- https://raw.githubusercontent.com/holon-run/uxc/main/skills/binance-spot-openapi-skill/references/binance-spot.openapi.json

Scope

This skill covers curated Binance Spot REST endpoints for:

public market reads
signed account reads
signed order queries
test orders
order placement and cancellation

This skill does not cover:

OCO, OTO, OTOCO, OPO, OPOCO, or other orderList/* endpoints
order/cancelReplace
order/amend/*
historicalTrades
uiKlines
ticker/tradingDay
SOR endpoints
Wallet, Margin, Earn, or /sapi/* endpoints
RSA request signing
https://demo-api.binance.com

Authentication

Public market endpoints do not require credentials.

Signed Spot endpoints require:

api_key field for X-MBX-APIKEY
private_key field for Ed25519 PKCS#8 PEM signing, or secret_key for deprecated HMAC SHA256 signing

Testnet API Key Setup

Binance Spot testnet uses a separate host and separate API key records from mainnet:

base URL: https://testnet.binance.vision
testnet API keys do not work on mainnet
mainnet API keys do not work on testnet

There are two practical testnet flows:

Ed25519 (recommended by Binance)
- Generate an Ed25519 keypair locally.
- Register the public key in the Spot testnet API management UI.
- After registration, Binance shows a distinct API key for that Ed25519 key record.
- Use that displayed API key in X-MBX-APIKEY, and use the matching private key PEM for signing.
HMAC (legacy compatibility)
- Create an HMAC key in the Spot testnet API management UI.
- Binance shows both API key and Secret key.
- Use API key in X-MBX-APIKEY, and use Secret key for HMAC SHA256 signing.

Read the full file on GitHub · 237 lines

Files

What ships with it

4 files 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.

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.

8d ago First seen · 237 lines · 42 tokens per session scan A 05750571a494

Subscribe to this mod's changes

binance-spot-openapi-skill is a skill published in the GitHub repository holon-run/uxc (113 stars, last pushed 1mo ago), licensed MIT. It adds 42 tokens to every session and 2,610 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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