MCP TOOL · delegated_credential_guard
Delegated Credential Guard
Enforce delegated scope and expiry without sending PHION a raw access token.
0.003 USDC / call
TRANSPORT
POST /mcp
DIRECT ENDPOINT
/v1/paid/trust/delegated-credential-guard
PAYMENT
x402 · USDC · Base, Polygon, Arbitrum or Solana
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{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "delegated_credential_guard",
"arguments": {"credential":{"credential_id":"dc-1","scopes":["read"],"expires_at":4102444800},"action":{"required_scopes":["read"]}}
}
}What the agent receives
Allow or deny with missing scopes, expiry and credential-envelope hash.
No API key or subscription. The first paid request returns HTTP 402 payment requirements; an x402 client signs and retries automatically.
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