@agentic-trust/veramo-agent-extension

Veramo agent extensions for agent-to-agent (A2A) communication and account abstraction (AA) support. This package provides Veramo plugins and utilities for building agent systems with DID management, credential issuance, and key management capabilities.

Features

• Agent DID Provider: Create and manage DIDs for agents
• Account Abstraction DID Provider: Support for account abstraction wallets
• Agent Key Management System: Key management for agent identities
• Account Abstraction Key Management System: Key management for AA wallets
• EIP-1271 Credential Issuance: Issue verifiable credentials with EIP-1271 signatures
• Agent Resolver: Resolve agent DIDs and identities
• Identity Registry: Registry for managing agent identities

Installation

npm install @agentic-trust/veramo-agent-extension
# or
pnpm add @agentic-trust/veramo-agent-extension
# or
yarn add @agentic-trust/veramo-agent-extension

Usage

Agent DID Provider

import { AgentDidProvider } from '@agentic-trust/veramo-agent-extension';

// Create an agent DID provider instance
const agentDidProvider = new AgentDidProvider({
  // Configuration options
});

Account Abstraction Support

import { AADidProvider, AAKeyManagementSystem } from '@agentic-trust/veramo-agent-extension';

// Set up account abstraction providers
const aaDidProvider = new AADidProvider({
  // AA configuration
});

const aaKeyManagementSystem = new AAKeyManagementSystem({
  // KMS configuration
});

EIP-1271 Credential Issuance

import { AgentCredentialIssuerEIP1271 } from '@agentic-trust/veramo-agent-extension';

// Create credential issuer
const credentialIssuer = new AgentCredentialIssuerEIP1271({
  // Configuration
});

// Issue a credential
const credential = await credentialIssuer.createVerifiableCredential({
  // Credential payload
});

Complete Veramo Agent Setup

import { createAgent } from '@veramo/core';
import { AgentDidProvider } from '@agentic-trust/veramo-agent-extension';

const agent = createAgentWithEOAOwnerUsingWallet({
  plugins: [
    new AgentDidProvider({
      // Provider config
    }),
    // ... other plugins
  ],
});

Exports

Main Exports

• AgentDidProvider - DID provider for agents
• AADidProvider - DID provider for account abstraction
• AgentKeyManagementSystem - Key management for agents
• AAKeyManagementSystem - Key management for AA wallets
• AgentCredentialIssuerEIP1271 - EIP-1271 credential issuer for agents
• AACredentialIssuerEIP1271 - EIP-1271 credential issuer for AA
• AgentResolver - DID resolver for agents
• AAResolver - DID resolver for account abstraction
• IdentityRegistry - Identity registry utility

Type Exports

• ICredentialEIP1271 - Interface for EIP-1271 credentials
• AgentTypes - Type definitions for agents
• AATypes - Type definitions for account abstraction

Development

# Build the package
pnpm build

# Run in watch mode
pnpm dev

# Type check
pnpm type-check

# Lint
pnpm lint

Requirements

• Node.js >= 20.0.0
• TypeScript >= 5.0.0
• Veramo >= 6.0.0

License

MIT