"Google Cloud Spanner" matching MCP servers:

• AlgoVoi MCP Server

  chopmob-cloud

  F

  license

  A

  quality

  A

  maintenance

  Accept crypto payments on Algorand, VOI, Hedera & Stellar. Create hosted checkout links, verify on-chain payments, and generate MPP/x402/AP2 challenges from any MCP client. Supports all 16 AlgoVoi networks (USDC + native on mainnet + testnet).

  Last updated 2026-06-07

  11

  1

• Filecoin Onchain Cloud MCP

  FIL-Builders

  A

  license

  -

  quality

  B

  maintenance

  Provides AI agents with seamless access to Filecoin's decentralized storage network for persistent file storage and dataset management. It features automatic payment handling, CDN support, and cost estimation tools for efficient storage operations.

  Last updated 2026-06-16

  50

  11

  MIT

• Wallet4Agent MCP Server

  TalaoDAO

  A

  license

  -

  quality

  D

  maintenance

  Provides AI agents with a DID-based identity, secure wallet, and cloud KMS-backed signing keys, enabling trusted interactions with persons, companies, and other agents via standards like OIDC4VCI, OIDC4VP, and SD-JWT.

  Last updated 2026-03-10

  Apache 2.0