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51 Baidu AI MCP tools: OCR, Vision, LLM, Speech, NLP. Pay-per-call from $0.001.
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51 Baidu AI MCP tools: OCR, Vision, LLM, Speech, NLP. Pay-per-call from $0.001.
Security Report
Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
51 tools verified · Open access · 2 issues found
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How to Install & Connect
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Documentation
View on GitHubFrom the project's GitHub README.
🫘 GoldBean - x402 Micropaid API Marketplace
Pay per request with USDC on Base. No signup, no API key, no monthly subscription. Every call costs $0.02 USDC via the x402 protocol.
GoldBean is live: http://104.225.233.23:9879
Quick Start
1. Prerequisites
- USDC on Base (
eip155:84532testnet oreip155:8453mainnet) - A wallet that can sign x402 payments (AgentCash, CDP Wallet, or any EVM wallet)
2. Try a Free Endpoint
curl http://104.225.233.23:9879/health
# {"status":"ok","service":"GoldBean","timestamp":"2026-05-15T12:00:00.000Z"}
curl http://104.225.233.23:9879/eth-price
# {"usd":"2255.93","change24h":"+0.31%","timestamp":"2026-05-15T12:00:00.000Z"}
3. Call a Paid Endpoint
curl http://104.225.233.23:9879/paid/btc-price
# HTTP 402 Payment Required
# x402-challenge: {...}
To pay the 402 and get data, you need an x402-capable client:
Using AgentCash:
npx agentcash@latest fetch http://104.225.233.23:9879/paid/btc-price
Using x402-proxy (CLI tool):
npx x402-proxy http://104.225.233.23:9879/paid/btc-price
Using curl with manual payment (advanced):
# Step 1: Request triggers 402
curl -s -D - http://104.225.233.23:9879/paid/btc-price
# Step 2: Parse x402-challenge header, sign with your wallet
# Step 3: Retry with x402-payment header
curl -H "x402-payment: <signed-payment>" http://104.225.233.23:9879/paid/btc-price
4. MCP Integration
Add to Claude Desktop / Cursor / Cline mcpServers config:
{
"mcpServers": {
"goldbean": {
"url": "http://104.225.233.23:9879/mcp"
}
}
}
Available Endpoints
Free (no payment needed)
| Endpoint | Description |
|---|---|
GET / | Service info & endpoint list |
GET /health | Health check |
GET /eth-price | Real-time ETH price (via CoinGecko) |
GET /gas | ETH gas price estimate |
GET /card | Service card / metadata |
GET /mcp | MCP protocol manifest |
Paid ($0.02 USDC per call)
| Endpoint | Description |
|---|---|
GET /paid/btc-price | Real-time BTC price (via CoinGecko) |
GET /paid/gas-forecast | Gas price forecast |
GET /paid/market-intel | Market sentiment & Fear & Greed Index |
GET /paid/defi-insights | DeFi TVL & chain data |
GET /paid/network-health | Blockchain network health |
GET /paid/tracker-report | MEV & on-chain tracker report |
GET /paid/sol-token-risk | Solana token risk assessment |
How x402 Payment Works
Client GoldBean Server
│ │
├─ GET /paid/btc-price ─────────────┤
│◄─ 402 Payment Required ───────────┤
│ x402-challenge: {...} │
│ │
├─ Sign challenge with wallet ──────┤
│ (off-chain, no gas fee) │
│ │
├─ GET /paid/btc-price ─────────────┤
│ x402-payment: <signed> │
│◄─ 200 OK ─────────────────────────┤
│ {"usd":"68000.00",...} │
│ │
The facilitator (x402.org) handles settlement. Your wallet sends USDC only when challenge is accepted. No recurring charges.
Data Sources
- CoinGecko API — Real-time cryptocurrency prices
- Etherscan API — Gas price oracle
- Alternative.me — Fear & Greed Index
Seller Info
- Seller wallet:
0xB5f5CBe48E0595C044Bc626f278F757463eAc2Ce(Base) - Network:
eip155:84532(Base Sepolia testnet) → migrating toeip155:8453(Base mainnet) - Facilitator:
https://x402.org/facilitator - Price: $0.02 USDC per paid call
Architecture
┌─────────────┐ x402 protocol ┌──────────────┐
│ Client │ ◄─────────────────────► │ VPS (USCA) │
│ (curl/Agent)│ HTTP + 402 flow │ GoldBean 🫘 │
└─────────────┘ │ :9879 │
│ └──────┬───────┘
│ ┌──────────────┐ │
└────────►│ Email │◄─────────────┘
│ (Gmail) │ Monitor alerts
│ Monitor │
└──────────────┘
Development
# Server
cd /opt/goldbean
npm install express axios @x402/express @x402/core @x402/evm
node server.js
# Monitor
python3 /opt/goldbean/chain_monitor.py
Ecosystem
Built on Bandwagon VPS (USCA-2). Part of the x402 ecosystem.
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