by nhevers
Official SDK, Claude Code plugin and facilitator docs for r0x, the x402 facilitator for Robinhood Chain.
# Add to your Claude Code skills
git clone https://github.com/nhevers/project-r0xproject-r0x is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by nhevers. Official SDK, Claude Code plugin and facilitator docs for r0x, the x402 facilitator for Robinhood Chain. It has 122 GitHub stars.
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Clone the repository with "git clone https://github.com/nhevers/project-r0x" and add it to your Claude Code skills directory (see the Installation section above).
project-r0x is primarily written in TypeScript. It is open-source under nhevers on GitHub, so you can review or fork the full source.
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The official SDK, Claude Code / MCP plugin, and facilitator docs for r0x, the USDG-native operating system for AI agents, built on Robinhood Chain.
r0x runs the official x402 facilitator for Robinhood Chain. AI agents can use it right now: discover a priced capability, authorize a USDG payment, and invoke it, all in one uninterrupted call. No API keys, no subscriptions, no human approving anything in between.
Live site: projectr0x.dev · Facilitator docs: docs/facilitator.md · Skill reference: docs/skills.md
src/client): a TypeScript client (R0xClient) that handles the
x402 challenge/sign/retry cycle automatically. Published as r0x-os on npm.src/plugin): exposes the full skill catalog
as MCP tools, plus local wallet setup and a spend-limit guard.docs/): how the facilitator works and the full skill reference.examples/): a minimal, dependency-light reference client.npm install r0x-os
import { R0xClient } from 'r0x-os';
const client = new R0xClient({ privateKey: process.env.R0X_PRIVATE_KEY });
// $0.01 USDG per call, settled automatically
const { data } = await client.price('ETH');
console.log(data.priceUSD);
const balance = await client.balance('0x...');
console.log(balance.data.balances);
See docs/skills.md for every method the client exposes.
/plugin marketplace add nhevers/project-r0x
/plugin install r0x-os
Or add it directly as an MCP server:
claude mcp add r0x -- npx r0x-os
No private key is needed upfront, the agent calls r0x_setup on first use to
either import an existing wallet or generate a fresh one. After that, ten
tools are available: r0x_setup, balance, tx, price, wallet, chat,
send, fund, broadcast, and spend_limit. (trade is intentionally left
out, since no DEX aggregator indexes Robinhood Chain yet.)
git clone https://github.com/nhevers/project-r0x.git
cd project-r0x
npm install
npm run build # compiles src/ -> dist/
npm run example:tx # runs the reference test-transaction script
Read docs/facilitator.md for the full protocol walk-through,
or jump straight to examples/test-transaction.js
for a working ~80-line client.
MIT, see LICENSE.