Skillget

project-r0x

mcp
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  • License — License: MIT
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  • process.env — Environment variable access in examples/test-transaction.js
  • network request — Outbound network request in examples/test-transaction.js
  • crypto private key — Private key handling in examples/test-transaction.js
  • network request — Outbound network request in src/client/R0xClient.ts
  • crypto private key — Private key handling in src/client/R0xClient.ts
  • crypto private key — Private key handling in src/client/types.ts
  • crypto private key — Private key handling in src/plugin/config.ts
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SUMMARY

Official SDK, Claude Code plugin and facilitator docs for r0x, the x402 facilitator for Robinhood Chain.

README.md

r0x-os

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

What's in this repo

  • SDK (src/client): a TypeScript client (R0xClient) that handles the
    x402 challenge/sign/retry cycle automatically. Published as r0x-os on npm.
  • Claude Code / MCP plugin (src/plugin): exposes the full skill catalog
    as MCP tools, plus local wallet setup and a spend-limit guard.
  • Docs (docs/): how the facilitator works and the full skill reference.
  • Examples (examples/): a minimal, dependency-light reference client.

Install

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.

Claude Code plugin

/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, fifteen
tools are available: r0x_setup, balance, tx, price, wallet, chat,
send, fund, broadcast, spend_limit, trade, quote, pool, yield,
and bridge.

Building from source

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

How the facilitator works

Read docs/facilitator.md for the full protocol walk-through,
or jump straight to examples/test-transaction.js
for a working ~80-line client.

License

MIT, see LICENSE.

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