Chain Hub

Chain Hub is the skill registry and delegation task manager for the Gradience ecosystem. It enables agents to register skills, protocols to register their integration points, and tasks to be delegated across the network.

Getting Started

import { ChainHubRouter, EnvKeyVaultAdapter } from '@gradiences/chain-hub-sdk';

const vault = new EnvKeyVaultAdapter({
    allowedCapabilities: ['invoke', 'query'],
});

const router = new ChainHubRouter(vault);

// Invoke a registered protocol
const result = await router.invoke({
    protocolId: 'my-agent-protocol',
    method: 'POST',
    path: '/execute',
    body: { task: 'analyze data' },
});

Core Concepts

Skills

Skills are capability declarations registered on-chain. Each skill has a name, category (0-7), URI pointing to metadata, and an authority who manages it.

Protocols

Protocols define how to invoke an agent service. Two types are supported:

• REST-API: HTTP endpoint with auth header injection
• Solana-Program: Cross-program invocation (CPI)

Delegation Tasks

State machine for task lifecycle:

Created → Active → Completed
  │          │
  └→ Cancelled  └→ Expired

Instructions

SDK Modules

Program Address

6G39W7JGQz7A6L5dAvotFuRP9UbFdCJg2BqDuj6WJWec