Rubric Protocol

{
  "name": "Rubric Protocol",
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "image": "https://rubric-protocol.com/favicon.ico",
  "active": true,
  "network": "eip155:8453",
  "services": [
    {
      "name": "web",
      "endpoint": "https://rubric-protocol.com"
    },
    {
      "name": "MCP",
      "version": "0.1.0",
      "endpoint": "https://github.com/0xsims/rubric-attested-mcp",
      "description": "MCP server (stdio) exposing get_attested_price and list_attested_services as tools for any MCP-wired agent (Claude Code, Cursor, Windsurf). Install: npm install -g rubric-attested-mcp."
    },
    {
      "name": "web",
      "version": "x402/2",
      "endpoint": "https://rubric-protocol.com/v1/x402/attested-price/:symbol",
      "description": "Attested spot price ($0.02/call, USDC via x402 'exact' scheme on Base/Solana/Algorand). Returns priceUsd + attestationId + verify URL."
    },
    {
      "name": "web",
      "version": "x402/2",
      "endpoint": "https://rubric-protocol.com/v1/x402/attested-price/:symbol/proof",
      "description": "Attested price plus the raw Chainlink round tuple and a disclosed commitment opening for independent recomputation ($0.25/call)."
    },
    {
      "name": "web",
      "version": "x402/2",
      "endpoint": "https://rubric-protocol.com/v1/x402/attested-price/:symbol/at/:timestamp",
      "description": "Historical attested Chainlink price at a given timestamp ($0.50/call)."
    },
    {
      "name": "web",
      "endpoint": "https://rubric-protocol.com/v1/verify/:attestationId",
      "description": "Public, unpaid verification endpoint for any attestationId returned above."
    }
  ],
  "description": "Attested spot prices for Base-mainnet asset pairs, read live from Chainlink aggregators via eth_call and sealed with an ML-DSA-65 signature, Hedera-anchored (HCS). Every response carries a verifiable receipt: query /v1/verify/:attestationId to independently confirm the signature and ledger anchor.",
  "x402Support": true,
  "supportedTrust": [
    "crypto-economic"
  ]
}