Add NEXUS Financial Intelligence action provider (market signals, Kalshi prediction markets, wallet AML, agent reputation)

[RileyCraig14]

Summary

I'd like to contribute a nexus action provider that gives AgentKit agents access to NEXUS Financial Intelligence — a pay-per-call API for financial data on Base mainnet.

Actions

Action	Description	Cost
nexus_market_signal	AI signal (BULLISH/BEARISH/NEUTRAL) with confidence score	$0.05 USDC
nexus_aggregate_signal	Multi-source consensus: AI + QuantOracle Bollinger/Z-score + Kalshi	$0.15 USDC
nexus_wallet_intel	AML risk score for any EVM/Solana address	$0.001 USDC
nexus_kalshi_consensus	Kalshi prediction market data (Fed/GDP/CPI/Bitcoin)	Free
nexus_agent_reputation	Trust score 0–100 for any agent wallet based on x402 history	Free
nexus_agent_dns	Route any capability to best available provider	Free

Why this fits AgentKit

• x402 native: Paid endpoints use x402 on Base mainnet (USDC), the same payment protocol AgentKit already supports via the x402 action provider
• Kalshi prediction markets: No other AgentKit provider surfaces Fed rate, GDP, CPI, or Bitcoin price probability data from regulated prediction markets — this is unique macro context for financial agents
• Agent reputation and DNS: Free infrastructure for agent-to-agent trust scoring and capability routing — useful for any AgentKit agent that calls other agents
• On the wishlist: WISHLIST.md lists "Data from DexScreener/DefiLlama" under Trading & Data — NEXUS is similar (AI-powered financial data layer)

Pattern

Follows the same pattern as the existing pyth action provider — direct requests calls, no wallet required for free actions, returns x402 payment metadata for paid actions so the x402 action provider can handle payment automatically.

Implementation

All 4 files already built and syntax-checked:

• nexus_action_provider.py (250 lines, 6 actions)
• schemas.py (70 lines, Pydantic schemas)
• __init__.py (exports)
• README.md (usage + payment docs)

Happy to open a PR immediately with tests. Would the team accept this?

Links

• API: https://nexus-agent-xa12.onrender.com
• Endpoint manifest: https://nexus-agent-xa12.onrender.com/.well-known/x402
• GitHub: https://github.com/RileyCraig14/nexus-agent
• Track record: https://nexus-agent-xa12.onrender.com/accuracy