"Using Google Search API to generate automated answers" matching MCP connectors:

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Polymarket, Manifold, Metaculus compared: one fair probability per question. No API key needed.

Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.

Exit-cost estimates, depth concentration, liquidity tiers, and sealed records; no commodity futures.

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

Settlement layer for AI agent commerce. 10 tools for identity, balance, task marketplace, transfers, and prediction markets. Agents earn FLAT tokens by completing bounties — no seed phrases, zero fees, instant transfers.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.

AI inference via MCP — pay per request with Solana USDC through x402. No API keys.

Live, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.

Robinhood Chain stock token data — price, split-adjusted supply, DeFi, corporate actions, movers.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Live crypto data: funding rates, funding arbitrage, OI pressure, Fear & Greed. Free, no API key.

Real-time financial intelligence MCP server for crypto public companies. Provides covenant stress analysis, alpha signals, peer ranking, risk distribution, SEC XBRL fundamentals, and daily changes. x402 micropayments on Base USDC. First 5 calls free.

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