# Graded X402 MCP server

Source: https://glimind.com/server/mcp-registry%2Fsh.graded%2Fgraded-x402
Registry id: `mcp-registry/sh.graded/graded-x402`
Status: live (checked 2026-10-26T23:52:41.507Z)

## Measurements (30 days)

- Uptime: 98.29%
- Checks: 4982
- Outages (90 days): 95

## Install

```json
{
  "mcpServers": {
    "graded-x402-mcp-server": {
      "type": "http",
      "url": "https://graded.sh/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http graded-x402-mcp-server https://graded.sh/mcp
```

## Tools (10)

- `account`: Your balance, totals, limits, and recent calls. Requires Authorization: Bearer <gwk_ key>.
- `call_service`: Call a catalog service through the gateway. The gateway pays the upstream x402 USDC price from its own wallet and deducts your prepaid credits (upstream price +
- `create_account`: Create a gateway account. Returns your secret key (gwk_…) - store it; it is shown only once. New accounts start at 0 credits.
- `create_owner_key`: One-time: mint a separate OWNER key (gwo_…) for the human supervisor. After this, the gwk_ agent key can spend and TIGHTEN limits but never loosen or clear them
- `create_topup_link`: Create a hosted card-payment link (Stripe Checkout) that adds $5, $10 or $20 of credits to YOUR account. Give the returned url to your human to open and pay - n
- `get_service`: Full detail for one catalog service: grade breakdown, live price, our price (incl. markup), input schema, output example. Free.
- `get_service_history`: Daily probe history for one catalog service (UTC days): uptime %, 402/2xx %, p50/p95 latency, grade per day, price changes, probe counts. Probed every 6 hours. 
- `list_services`: Search the graded catalog of x402 services (the x402 Bazaar + independent indexes), ranked by real 30-day demand and agent-usability grade (A-F). Free.
- `set_limits`: Configure YOUR account's spending guardrails, enforced on every call_service: max_call_usd (refuse any call charging more), daily_usd (rolling-24h charge budget
- `top_up_info`: How to add credits (x402 USDC, or a card checkout link via create_topup_link).

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.