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100
MCP live MCP 2025-11-25 streamable-http

graded-x402

sh.graded/graded-x402

Discover and call 2,000+ x402 machine-payable services through one graded API key + gateway.

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Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

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Uptime
100.0%
5 direct probes · 30d
Response
724ms
last probe
Tools
10
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://graded.sh/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
10 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
10 items in total; 3 or more earns these points.
pass Describes itself 10/10
92 characters; more than 30 earns these points.

Tools · 10

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.

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. Free.

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 + 25% markup, min $0.005). Requires an ac…

create_account

Create a gateway account. Returns your secret key (gwk_…) - store it; it is shown only once. New accounts start at 0 credits.

account

Your balance, totals, limits, and recent calls. Requires Authorization: Bearer <gwk_ key>.

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), min_grade (refuse services graded bel…

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; only the owner key can. Shown once - t…

top_up_info

How to add credits (x402 USDC, or a card checkout link via create_topup_link).

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 - no crypto wallet needed; credits land 1:1…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "graded-x402": {
      "url": "https://graded.sh/mcp",
      "transport": "streamable-http"
    }
  }
}