Ai Agent Domain Registration

---
name: ai-agent-domain-registration
description: "Register and manage ICANN domains for AI agents. Wallet authentication (SIWE/SIWS), USDC payments on Base or Solana, full DNS management."
category: "Finance & Crypto"
author: community
version: "1.0.1"
icon: coins
---

# AgentNS - Domain Registration for AI Agents

Use this skill when you need to register domains, check domain availability, or manage DNS records for an agent or project.

## Installation

```bash
pip install agentns-client

# For Solana wallet support:
pip install agentns-client[solana]
```

## Complete Workflow

```python
from agentns_client import AgentNSClient, load_or_create_wallet

# 1. Create client with wallet (auto-creates wallet.json if needed)
account = load_or_create_wallet()
client = AgentNSClient(account=account)

# 2. Check domain availability (no auth required)
result = client.check_domain("myagent.xyz")
if not result.available:
    print(f"{result.domain} is not available")
    # Search across 20 TLDs to find alternatives
    results = client.search_domains("myagent")
    available = [r for r in results if r.available]
    for r in available:
        print(f"{r.domain}: ${r.price_usdc} USDC")

# 3. Authenticate with wallet signature
client.login()

# 4. Create registrant profile (one-time, ICANN requirement)
client.ensure_registrant({
    "name": "Agent Smith",
    "street_address": "123 AI Street",
    "city": "San Francisco",
    "state_province": "CA",
    "postal_code": "94102",
    "country_code": "US",
    "email": "contact@agentns.xyz",
    "phone": "+14155551234",
})

# 5. Register domain (payment handled automatically)
domain = client.register_domain("myagent.xyz")
print(f"Registered: {domain.domain}")
print(f"Expires: {domain.expires_at}")

# 6. Add DNS records
client.add_dns("myagent.xyz", type="A", host="@", value="192.0.2.1")
client.add_dns("myagent.xyz", type="CNAME", host="www", value="myagent.xyz")
client.add_dns("myagent.xyz", type="TXT", host="@", value="v=spf1 -all")
```

## Wallet Setup

**EVM (Base network - default):**
```python
from agentns_client import load_or_create_wallet
account = load_or_create_wallet("wallet.json")  # Creates if missing
print(f"Address: {account.address}")
# Fund with USDC on Base network before registering
```

**Solana:**
```python
from agentns_client import load_or_create_solana_wallet
keypair = load_or_create_solana_wallet("solana_wallet.json")
print(f"Address: {keypair.pubkey()}")
# Fund with USDC on Solana before registering
```

## Client Methods

### Domain Operations

```python
# Check single domain (no auth)
result = client.check_domain("example.com")
# Returns: DomainCheck(domain, available, price_usdc)

# Search across 20 TLDs (no auth)
results = client.search_domains("mycompany")
# Searches: com, io, net, co, ai, xyz, dev, app, org, tech,
#           club, online, site, info, me, biz, us, cc, tv, gg

# Register domain (requires auth + USDC balance)
domain = client.register_domain("example.xyz", years=1)
# Returns: DomainInfo(domain, owner_address, status, registered_at, expires_at)

# List owned domains
domains = client.list_domains()
```

### DNS Management

```python
# List DNS records
records = client.list_dns("example.xyz")

# Add record
record = client.add_dns(
    domain="example.xyz",
    type="A",           # A, AAAA, CNAME, MX, TXT, SRV, CAA
    host="@",           # @ for root, or subdomain name
    value="192.0.2.1",
    ttl=3600,           # 300-86400 seconds
    distance=10         # Required for MX/SRV only
)

# Update record
client.update_dns("example.xyz", record_id="12345", value="192.0.2.2")

# Delete record
client.delete_dns("example.xyz", record_id="12345")
```

### Nameservers

```python
# Get current nameservers
ns = client.get_nameservers("example.xyz")
# Default: ["ns1.namesilo.com", "ns2.namesilo.com"]

# Change to custom nameservers (e.g., Cloudflare)
client.set_nameservers("example.xyz", [
    "ns1.cloudflare.com",
    "ns2.cloudflare.com"
])
```

### Registrant Profile

```python
# Get profile
profile = client.get_registrant()

# Create profile (required before first domain registration)
profile = client.create_registrant({
    "name": "Required Name",
    "street_address": "123 Main St",
    "city": "San Francisco",
    "state_province": "CA",
    "postal_code": "94102",
    "country_code": "US",        # ISO 3166-1 alpha-2
    "email": "contact@agentns.xyz",
    "phone": "+14155551234",
    "organization": "Optional Org",  # Optional
    "whois_privacy": True            # Optional, default True
})

# Update profile
client.update_registrant({"email": "new@example.com"})

# Get or create (recommended)
profile = client.ensure_registrant({...})
```

## Error Handling

```python
from agentns_client.exceptions import (
    AgentNSError,           # Base exception
    AuthenticationError,    # Invalid/expired JWT (401)
    PaymentRequiredError,   # Insufficient USDC balance (402)
    NotFoundError,          # Domain/record not found (404)
    ConflictError,          # Profile exists, domain taken (409)
    ValidationError,        # Invalid input (400)
    RateLimitError,         # Too many requests (429)
)

try:
    domain = client.register_domain("example.xyz")
except PaymentRequiredError as e:
    print(f"Need {e.payment_requirement.amount} USDC")
    print(f"Send to: {client.wallet_address}")
except ConflictError:
    print("Domain already registered or unavailable")
except AuthenticationError:
    client.login()  # Re-authenticate
```

## Important Notes

- **USDC required**: Fund your wallet with USDC on Base (EVM) or Solana before registering
- **Registrant profile**: ICANN requires contact info - create once, reused for all domains
- **WHOIS privacy**: Free on all domains, enabled by default
- **400+ TLDs**: Check any TLD with `check_domain()`, search 20 popular ones with `search_domains()`
- **Pricing**: Domain cost + 20% markup (minimum $4), paid in USDC

## Resources

- **PyPI**: https://pypi.org/project/agentns-client/
- **GitHub**: https://github.com/vibrant/agentns_client
- **API Docs**: https://agentns.xyz/docs
- **Support**: [@AgentNSxyz](https://x.com/AgentNSxyz)