feat(tools): Add Nory x402 payment tools

[TheMemeBanker]

Summary

Adds tools for AI agents to make payments using the x402 HTTP payment protocol via Nory.

New Tools

Tool	Description
NoryPaymentRequirementsTool	Get payment requirements for a resource (amount, supported networks, wallet address)
NoryVerifyPaymentTool	Verify a signed payment transaction before settlement
NorySettlePaymentTool	Submit a verified payment to the blockchain (~400ms)
NoryTransactionLookupTool	Check the status of a previously submitted payment
NoryHealthCheckTool	Check Nory service health and supported networks

Supported Networks

• Solana (mainnet/devnet)
• Base, Polygon, Arbitrum, Optimism, Avalanche, Sei, IoTeX (all mainnet)

Use Cases

AI agents can now:

• Pay for premium API access on-the-fly
• Handle HTTP 402 Payment Required responses automatically
• Make micropayments for AI-to-AI services
• Access paid resources without pre-configured subscriptions

Usage Example

from autogen_agentchat.agents import AssistantAgent
from autogen_ext.tools.nory import NoryPaymentRequirementsTool

# Create the payment tool
payment_tool = NoryPaymentRequirementsTool(api_key="optional-api-key")

# Add to an agent
assistant = AssistantAgent(
    "payment_agent",
    model_client=model,
    tools=[payment_tool]
)

Documentation

• x402 Protocol Spec
• Nory API

🤖 Generated with Claude Code

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[TheMemeBanker]

Hi team! Following up on this PR for Nory x402 payment tools. This would enable AutoGen agents to handle HTTP 402 Payment Required responses and make blockchain payments autonomously. Let me know if there are any changes needed to meet Microsoft's contribution guidelines!

[TheMemeBanker]

@microsoft-github-policy-service agree

[TheMemeBanker]

Update: nory-mcp-server is now live in the official MCP registry (io.github.TheMemeBanker/nory-x402). This AutoGen integration would provide the same payment capabilities through Python tools. The x402 protocol enables agents to autonomously pay for APIs, data, and services - a valuable capability for production agent deployments. Happy to address any feedback!