hashgraph-online/standards-sdk

The official Hashgraph Online Standards SDK, implementing the standards found in https://hol.org/docs/standards

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Established

Provides modular implementations for HCS standards including agent communication (HCS-10), decentralized identity (HCS-11), and file storage (HCS-1/3), with optional transport adapters for Hedera ledger authentication, EVM chains via Viem, and X402 credit payments. The Registry Broker client enables skill verification through DNS TXT proofs and UAID discovery, while HCS-10 demos showcase trustless peer-to-peer messaging with automatic state resumption on interruption.

332 stars. Available on npm.

Maintenance 13 / 25
Adoption 10 / 25
Maturity 25 / 25
Community 10 / 25

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Stars

332

Forks

14

Language

TypeScript

License

Apache-2.0

Last pushed

Mar 22, 2026

Commits (30d)

0

Dependencies

20

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