Koinju ships an open agent skill that teaches AI coding assistants — Claude Code, Cursor, GitHub Copilot, Windsurf, Gemini, and 15+ others — how to work with this API.
Fast development environement setup for testing the API
Auto-discoverability of API capabilities (endpoints, SQL tables, data types)
Help with optimisation of SQL queries and API calls
Help with integration of API data into research, backtesting, and production pipelines
It bundles:
Schema knowledge — every api.* table and column
Auth + setup — a one-command project bootstrap (uv/venv, dependencies, .koinju.env)
REST + SQL routing — when to hit the public /market/* endpoints vs. ClickHouse SQL.
Cookbook recipes — How to run common financial data analysis (Sortino, max drawdown, Bollinger, historical volatility, cross-exchange arbitrage, …) inside the koinju DB.
Integration patterns — wiring Koinju into existing trading and research stacks.
Via the skills.sh CLI:
npx skills add https://gitlab.com/koinju-public/agent-skill # into ./.claude/skills/
npx skills add https://gitlab.com/koinju-public/agent-skill -g # global ~/.claude/skills/Update later with npx skills update koinju. The skill is open source at gitlab.com/koinju-public/agent-skill.
Once installed, describe what you want in plain language — the agent picks the right interface (REST vs SQL), writes the query, handles credentials, and returns a working result:
"Set up a project to test the Koinju API."
"What Bitcoin products are available on Koinju?"
"Plot the BTC option smile for OKX and Bybit using Koinju data."
"Retrieve the implied volatility for BTC options."
"Optimize the query that computes the average price of LINK-USDT over the past year."
"Benchmark this strategy against buy-and-hold using Koinju data."
"We have a Postgres database of crypto prices — how do I integrate it with Koinju?"
Don't have credentials yet? Sign up at koinju.io/pricing. The skill walks the agent (and you) through the rest.
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