{"servers":[{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — 40+ pay-per-call tools settled in USDC on Base via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.1.2","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.1.2","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Mutually exclusive with TWOSIO_API_KEY — provide one or the other. Funds USDC on Base.","format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"},{"description":"Bearer API key for pre-funded 2s.io account auth. Mutually exclusive with EVM_PRIVATE_KEY — use this if you want account-based debits instead of per-call x402 settlement.","format":"string","isSecret":true,"name":"TWOSIO_API_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-05-30T18:15:55.321778Z","publishedAt":"2026-05-30T18:15:55.321778Z","updatedAt":"2026-05-30T18:15:55.321778Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.16.1","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.16.1","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-03T21:16:58.261081Z","publishedAt":"2026-06-03T21:16:58.261081Z","updatedAt":"2026-06-03T21:16:58.261081Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.17.1","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.17.1","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-04T15:36:33.452117Z","publishedAt":"2026-06-04T15:36:33.452117Z","updatedAt":"2026-06-04T15:36:33.452117Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.18.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.18.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-04T21:06:24.882251Z","publishedAt":"2026-06-04T21:06:24.882251Z","updatedAt":"2026-06-04T21:06:24.882251Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.19.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.19.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-04T22:14:19.165974Z","publishedAt":"2026-06-04T22:14:19.165974Z","updatedAt":"2026-06-04T22:14:19.165974Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.20.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.20.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-04T22:39:03.753948Z","publishedAt":"2026-06-04T22:39:03.753948Z","updatedAt":"2026-06-04T22:39:03.753948Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.21.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.21.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-04T23:42:22.947166Z","publishedAt":"2026-06-04T23:42:22.947166Z","updatedAt":"2026-06-04T23:42:22.947166Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.22.1","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.22.1","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-04T23:53:51.523939Z","publishedAt":"2026-06-04T23:53:51.523939Z","updatedAt":"2026-06-04T23:53:51.523939Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.23.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.23.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T02:45:23.765084Z","publishedAt":"2026-06-05T02:45:23.765084Z","updatedAt":"2026-06-05T02:45:23.765084Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.24.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.24.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T04:13:14.617228Z","publishedAt":"2026-06-05T04:13:14.617228Z","updatedAt":"2026-06-05T04:13:14.617228Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.25.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.25.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T14:52:39.65635Z","publishedAt":"2026-06-05T14:52:39.65635Z","updatedAt":"2026-06-05T14:52:39.65635Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.26.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.26.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T15:17:04.126992Z","publishedAt":"2026-06-05T15:17:04.126992Z","updatedAt":"2026-06-05T15:17:04.126992Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.27.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.27.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T16:00:19.136089Z","publishedAt":"2026-06-05T16:00:19.136089Z","updatedAt":"2026-06-05T16:00:19.136089Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.28.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.28.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T17:04:53.261804Z","publishedAt":"2026-06-05T17:04:53.261804Z","updatedAt":"2026-06-05T17:04:53.261804Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.29.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.29.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T18:06:39.282032Z","publishedAt":"2026-06-05T18:06:39.282032Z","updatedAt":"2026-06-05T18:06:39.282032Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.30.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.30.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T19:24:28.774003Z","publishedAt":"2026-06-05T19:24:28.774003Z","updatedAt":"2026-06-05T19:24:28.774003Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.31.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.31.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T20:10:16.375128Z","publishedAt":"2026-06-05T20:10:16.375128Z","updatedAt":"2026-06-05T20:10:16.375128Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.32.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.32.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T22:06:31.664565Z","publishedAt":"2026-06-05T22:06:31.664565Z","updatedAt":"2026-06-05T22:06:31.664565Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.33.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.33.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T22:33:27.518097Z","publishedAt":"2026-06-05T22:33:27.518097Z","updatedAt":"2026-06-05T22:33:27.518097Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.34.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.34.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T22:56:30.180112Z","publishedAt":"2026-06-05T22:56:30.180112Z","updatedAt":"2026-06-05T22:56:30.180112Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.35.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.35.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T23:16:28.116849Z","publishedAt":"2026-06-05T23:16:28.116849Z","updatedAt":"2026-06-05T23:16:28.116849Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.36.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.36.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-05T23:55:33.417092Z","publishedAt":"2026-06-05T23:55:33.417092Z","updatedAt":"2026-06-05T23:55:33.417092Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"0.37.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"0.37.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-06T01:21:20.486909Z","publishedAt":"2026-06-06T01:21:20.486909Z","updatedAt":"2026-06-06T01:21:20.486909Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"1.0.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"1.0.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-06T01:48:22.421701Z","publishedAt":"2026-06-06T01:48:22.421701Z","updatedAt":"2026-06-06T01:48:22.421701Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"1.10.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"1.10.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-08T16:00:59.420943Z","publishedAt":"2026-06-08T16:00:59.420943Z","updatedAt":"2026-06-08T16:00:59.420943Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"1.14.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"1.14.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-11T15:39:24.815649Z","publishedAt":"2026-06-11T15:39:24.815649Z","updatedAt":"2026-06-11T15:39:24.815649Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"1.2.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"1.2.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-06T21:22:46.865324Z","publishedAt":"2026-06-06T21:22:46.865324Z","updatedAt":"2026-06-06T21:22:46.865324Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"1.3.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"1.3.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-08T13:16:41.952102Z","publishedAt":"2026-06-08T13:16:41.952102Z","updatedAt":"2026-06-08T13:16:41.952102Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"MCP server for 2s.io — pay-per-call tools settled in USDC on Base or Solana via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"1.4.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"1.4.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-08T13:31:59.259891Z","publishedAt":"2026-06-08T13:31:59.259891Z","updatedAt":"2026-06-08T13:31:59.259891Z","isLatest":false}}},{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.2s-io/mcp","description":"Pay-per-call data tools for AI agents - the 2s everything API, settled in USDC via x402.","repository":{"url":"https://github.com/2s-io/sdk","source":"github","subfolder":"packages/2s-mcp"},"version":"1.45.0","websiteUrl":"https://2s.io","packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@2sio/mcp","version":"1.45.0","runtimeHint":"npx","transport":{"type":"stdio"},"environmentVariables":[{"description":"Hex-encoded EVM private key (0x-prefixed) used by the SDK to sign x402 EIP-3009 payment authorizations. Funds USDC on Base.","isRequired":true,"format":"string","isSecret":true,"name":"EVM_PRIVATE_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-06-15T21:42:42.462779Z","publishedAt":"2026-06-15T21:42:42.462779Z","updatedAt":"2026-06-15T21:42:42.462779Z","isLatest":false}}}],"metadata":{"nextCursor":"io.github.2s-io/mcp:1.45.0","count":30}}