"Answer Engine Optimization (AEO) Audit Guide" matching MCP connectors:

AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

Free agent discovery + paid x402 research (outline 0.01 / brief 0.02 USDC Base).

Deterministic market-state engine for trading agents — zero LLM in the signal path. 8 tools: structural market state & phase, action gate (GO/WATCH/HOLD) as a transition posture, entry/target/invalidation coordinates, bar-by-bar state timeline, composed view cards, and pre-trade intent validation. Every output traces to a bar-stamped ledger with a public daily self-scoring track record (misses included). Crypto + TradFi synthetics (gold, oil, S&P 500, Tesla, NVIDIA, KOSPI 200).

Live BTC/ETH risk state: risk policy, market structure and trading playbooks. Keyless free tier.

R_net LP risk evaluator for DeFAI agents. IL + Breakeven Corridor O(1). L402 Lightning paywall.

Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.

x402-paid MCP data: trend feed + visibility audit. USDC/Base. No API key. No PII.

Validated trading edges across futures, equities, crypto. Live signals, full audit trail.

Verifiable random decisions, audit sampling, fair selection, and proof verification using QnEvt.

Solana token risk-scoring MCP server for AI trading agents with insider wallet cluster detection.

Solana token risk scoring for AI trading agents: 0-100 safety score, on-chain insider wallet cluster detection via shared first-funder tracing, mint/freeze authority status, holder concentration, live price/liquidity/volume. Batch endpoint for up to 25 mints per call. Free tier (15 req/day, no card).

15 paid AI agent primitives via x402 (USDC on Base). Pay-per-call MCP server.

Paper trading for AI: live quotes, OHLC + technical indicators, market & limit orders on US stocks and crypto, and leveraged forex with SL/TP — on free virtual-money accounts. Setup guide: https://www.poshkan.com/mcp

Pay-per-call (x402/USDC-Base) web + crypto data tools for AI agents: audit, extract, crypto, DeFi.

Lossless Uniswap V3 historical tick data streams and sandboxed parametric backtesting matrix sweeps on Base Mainnet. Implements the automated Coinbase x402-express stablecoin paywall protocol ($1 streams / $5 archives / $25 matrix simulations). Fully compatible with @coinbase/agentkit and LangChain.

DeFi MCP fleet: oracle, security audit, treasury yield, QA attestation, and compute tools on Base.