Pay-per-call x402 tools (USDC on Base): token facts, web-to-Markdown, x402 precheck.
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Base token/contract quick check (0.005 USDC via x402): on-chain facts only — is contract, ERC-20 metadata, total supply, owner, paused, EIP-1967 proxy/admin, owner and burn-address balances, descriptive fact flags. Not investment advice.
Token or contract address
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http agent-utilities https://x402-exp.w0arvg81zlgf.workers.dev/mcp
Base token/contract quick check (0.005 USDC via x402): on-chain facts only — is contract, ERC-20 metadata, total supply, owner, paused, EIP-1967 proxy/admin, owner and burn-address balances, descriptive fact flags. Not investment advice.
| Argument | Type | Description |
|---|---|---|
| address* | string | Token or contract address |
| network | string |
{
"type": "object",
"required": [
"address"
],
"properties": {
"address": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$",
"description": "Token or contract address"
},
"network": {
"enum": [
"base",
"base-sepolia"
],
"type": "string",
"default": "base"
}
}
}Public webpage to clean Markdown (0.002 USDC via x402). Respects robots.txt, refuses login/paywalled pages, 2 MB / 10 s limits, output up to 60k chars.
| Argument | Type | Description |
|---|---|---|
| url* | string | Public http(s) page URL |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"description": "Public http(s) page URL"
}
}
}Pre-payment check of an x402 endpoint (0.002 USDC via x402): reachable?, latency, live payment terms, canonical-USDC check, and whether terms match its PayAI Bazaar listing. Never pays the target.
| Argument | Type | Description |
|---|---|---|
| url* | string | x402 endpoint URL to check |
| method | string | |
| compareDirectory | string |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"description": "x402 endpoint URL to check"
},
"method": {
"enum": [
"GET",
"POST"
],
"type": "string",
"default": "GET"
},
"compareDirectory": {
"enum": [
"true",
"false"
],
"type": "string",
"default": "true"
}
}
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 10, 2026.