SDK Quickstart

npm install @abstraxn/agent-kit

import { AgentKitClient } from '@abstraxn/agent-kit';

const agentKit = new AgentKitClient({
  apiKey: process.env.ABSTRAXN_API_KEY!, // same key as dashboard Overview
  baseUrl: process.env.AGENT_KIT_BASE_URL, // optional; default production host
});

const { agent, wallet } = await agentKit.createAgent({
  name: 'Trading Assistant',
  description: 'Executes trades within spend policy',
  userIdentity: 'user-123@example.com', // your stable user id
  userEmail: 'user@example.com',       // optional
  metadata: { tier: 'pro' },             // optional
});

// Agent Kit record
console.log(agent.id);        // UUID — use in MCP agent_id when needed
console.log(agent.apiKey);    // per-agent MCP/REST key (optional second credential)

// Wallet — persist on YOUR backend
console.log(wallet.evmAddress);
console.log(wallet.solanaAddress);   // when enabled
console.log(wallet.organizationId);
console.log(wallet.accessKey);       // ⚠️ shown once — encrypt at rest

import { encrypt } from './common/crypto.helper';

const accessKeyEncrypted = encrypt(wallet.accessKey, process.env.ENCRYPTION_KEY!);

await agentsRepo.save({
  userId,
  agentId: kitAgent.id,
  apiKey: kitAgent.apiKey,
  evmAddress: wallet.evmAddress,
  organizationId: wallet.organizationId,
  userIdentity: kitAgent.userIdentity ?? userId,
  accessKey: accessKeyEncrypted, // never return in API responses
});

const signer = agentKit.getServerSigner();

await signer.authenticate({
  userIdentity: storedUserIdentity,
  accessKey: decryptedAccessKey,
});

const client = signer.createPublicClient({
  rpcUrl: process.env.RPC_URL!,
  chainId: 80002,
  organizationId: storedOrganizationId,
  fromAddress: storedEvmAddress as `0x${string}`,
});

const prepared = await client.prepareTransaction({
  to: '0xRecipient...' as `0x${string}`,
  value: 1_000_000_000_000_000n,
});

const txHash = await client.signAndSendPreparedTransaction(
  prepared.unsignedTransaction,
);

export MCP_SERVER_URL="https://agent-kit.abstraxn.com/mcp"
export MCP_SERVER_AUTH_TOKEN="$ABSTRAXN_API_KEY"

{
  "name": "get_balance",
  "arguments": {
    "agent_id": "<agent.id from createAgent>",
    "chain": "ethereum"
  }
}