standards-sdk
TypeScript SDK with reference implementations of Hashgraph Consensus Standards and a Registry Broker client.
Harness by hashgraph-online
Install
From the package registry. Read the repository before you give any tool access to your data.
npm install @hol-org/standards-sdk
Get the weekly diff
The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.
About
Use cases: crypto-web3, identity-access
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Fact sheet
- Languages
- TypeScriptREADME
- Packages
- @hol-org/standards-sdk (npm), @hol-org/rb-client (npm)README
- Maturity
- Betagithub.com
Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.
Alternatives
Frameworks for the same language with a similar way of orchestrating agents.
- 0.867score
Pi Agent Core
Earendil
Minimal TypeScript agent harness with an agent runtime, multi-provider LLM API, terminal UI and coding agent CLI that users extend themselves.
HarnessAFreshness: A★ 117.6K↓ 5.1M/wk - 0.831score
CopilotKit
CopilotKit
Open-source SDK that connects AI agents to app front ends with chat UI, generative UI, shared state and human approvals; creator of the AG-UI protocol.
HarnessAFreshness: A★ 38.2K↓ 286.2K/wk - 0.740score
Deep Agents
LangChain
Opinionated agent harness on LangGraph with sub-agents, filesystem access, context management, persistent memory and approval of tool calls.
HarnessAFreshness: A★ 30.6K↓ 1.9M/wk - 0.737score
Mastra
Mastra
TypeScript framework for AI agents and apps with graph-based workflows, memory, suspend-and-resume approvals, MCP servers and model routing.
HarnessAFreshness: A★ 29.1K↓ 1.4M/wk - 0.727score
Vercel AI SDK
Vercel
TypeScript toolkit for AI apps and agents with a unified provider API, streaming, UI hooks and a wrapper for running established agent harnesses.
HarnessAFreshness: A★ 27.5K
Signals
- Stars
- 1,271
- Forks
- 24
- Open issues
- 4
- Weekly downloads
- 40
- Last commit
- Oct 19, 2026 (9 days ago)
- Last release
- Oct 19, 2026 (9 days ago)
- Last package publish
- Oct 19, 2026 (9 days ago)
From GitHub (fetched Oct 24, 2026) and the package registry.
Details
- Packages
- npm
@hol-org/standards-sdknpm@hol-org/rb-client - License
- Apache-2.0
- Website
- hol.org
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- READMEgithub-graphql
More from hashgraph-online
- 0.818score
HOL Guard
hashgraph-online
Local-first AI agent security evidence and approval workflows through HOL Guard's stdio MCP server.
ConnectorAFreshness: ALocal★ 975↓ 8.4K/wkClaude Code +5 - 0.626score
Hashnet
hashgraph-online
Universal AI Agent Discovery - search 59,000+ agents across MCP, NANDA, A2A, OpenRouter
ConnectorAFreshness: ALocal★ 13↓ 46/wkClaude Code +5
Cite this page
standards-sdk. Agent Mart. https://agentmart.dev/harnesses/standards-sdk (last updated 2026-10-24)