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This package provides a comprehensive interface for interacting with Hedera Consensus Service (HCS) within the Hiero DID SDK JS.

Hashgraph Online conversational AI agent implementing HCS-10 communication, HCS-2 registries, and content inscription on Hedera. https://hol.org

The Hashgraph Online Standards SDK provides a complete implementation of the Hiero Consensus Standards (HCS), giving developers all the tools needed to build wonderful decentralized applications on the Hashgraph network. https://hol.org

A modular SDK for building on-chain autonomous agents using Hashgraph Online Standards, including HCS-10 for agent discovery and communication. https://hol.org

HCS Recursion SDK

Prebuilt huaweicloud/hcs Provider for Terraform CDK (cdktf)

This package provides the `Publisher` class, a core component of the Hiero DID SDK. It offers a standardized way to submit and execute transactions on the Hedera network, simplifying the process of interacting with the Hedera Consensus Service (HCS).

WASM + EVM Bridge capable of executing HCS-7 operations. Includes an example WASM binary for testing.

HCS-U7 cognitive profile parser and utilities for JavaScript/TypeScript

Comprehensive MCP server for Hedera (Hashgraph) — full coverage of Account, Token (HTS), Consensus (HCS), Smart Contract (EVM), File, Schedule, and Network services. Reads via Mirror Node (keyless); writes are build-only (returns unsigned serialized trans

WebSocket based connection for HCS.

Test Common Utils For HCS

Hedera blockchain intelligence for AI agents. 23 tools across 7 modules — HCS, compliance, governance, tokens, identity, contracts, Fixatum DID. Pay per call in HBAR. No registration required.

Real-time HCS-backed package release monitoring for critical Hedera ecosystem npm dependencies.

CLI tool to query, tail, decode, export, and analyze HCS topic streams with provenance-aware standards detection

Standards agent plugin for OpenConvAI functionality with HCS-10 tools

This package provides the `Publisher` class, a core component of the Hashgraph DID SDK. It offers a standardized way to submit and execute transactions on the Hedera network, simplifying the process of interacting with the Hedera Consensus Service (HCS).

Reference trust-graph engine (Oxigraph/SPARQL + SHACL) + HCS-anchor contract: apply mutation events, validate the MMTO §3 authority-chain invariant, batch the changelog into a Merkle root ready to anchor, and verify a disclosed tenant graph with MetaMynd

MAGP Phase D — decentralized discovery: resolve did:hedera documents + service endpoints from the DID's own HCS registry topic via a public Hedera mirror node, trustlessly, with MetaMynd offline. Zero dependencies.