{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json","name":"io.github.0rkz/byte-protocol","description":"PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.","repository":{"url":"https://github.com/0rkz/byte-mcp-server","source":"github"},"version":"0.12.3","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"byte-mcp-server","version":"0.12.3","transport":{"type":"stdio"},"environmentVariables":[{"description":"Ethereum private key for write/buy tools (subscribe, unsubscribe, publish, buy_data). buy_data spends real Base-mainnet USDC — use a dedicated wallet. Not required for read-only tools.","format":"string","isSecret":true,"name":"PRIVATE_KEY"},{"description":"RPC for the on-chain library + EIP-712 attestation layer (Arbitrum Sepolia, eip155:421614). The x402 buy rail settles USDC on Base mainnet and needs no RPC here. Defaults to Arbitrum Sepolia public RPC.","format":"string","name":"RPC_URL"},{"description":"Gateway attester address byte_buy_data pins receipts against. Defaults to the current PayPerByte gateway attester (rotated 2026-08-19; previous default 0x77c86a...C472 is retired). Override only if the gateway discloses a rotation you need ahead of a package update - see /.well-known/agent.json receipt.attester and receipt.retiredAttesters.","format":"string","name":"BYTE_GATEWAY_ATTESTER"}]}],"remotes":[{"type":"streamable-http","url":"https://mcp.payperbyte.io/mcp"}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-09-03T00:04:38.197369Z","publishedAt":"2026-09-03T00:04:38.197369Z","updatedAt":"2026-09-03T00:04:38.197369Z","isLatest":true}}}