"Understanding Inference Models" matching MCP connectors:

BridgeNode — x402 pay-per-request AI inference. OpenAI-compatible API + MCP, Solana USDC, gas-free.

trading-mcpA

com.ai-rook.agents

72 x402 endpoints: trading, AI inference, blockchain, escrow. USDC on Base+Solana.

54 pay-per-call AI services over x402 (USDC on Base): compression, OCR, FX, inference.

mcpA

com.cheapestinference

Discover unlimited LLM inference pools, get USDC quotes, subscribe on Base, check key status.

OpenSpenderOAuth

com.openspender

OpenSpender gives your agent an allowance, not your API keys: one self-custodial USDC wallet that pays per request for web search, frontier models (Claude, GPT, Gemini, Grok), image and video generation, and a growing catalog of x402/MPP machine-payable APIs — every call priced before it's paid and capped by budgets you set.

mcpOAuth

ai.agentgates

Confidential compute and inference sold to agents over x402 USDC, plus an agent wallet over MCP.

Tenzro Network MCP server: wallet, identity, payments, inference, staking, bridges, verification.