"Assistance with Cursor Development" matching MCP connectors:

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.

Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.

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.

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.

Authorize x402 payments before signing with request-bound, signed safety decisions.

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

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.

Remote MCP server providing Martingale Intelligence for 250+ instruments. Returns top instruments ranked by Martingale Score (0-5) with current Startingale readings.

Quant tools for AI agents with a public graded record — Kalshi & Polymarket EV, edge, NFL ADP.

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

Real-time curated crypto news for AI agents with sentiment, recaps, and search.

Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base USDC.

TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP

Live Bitcoin market regime for agents: three independent sensors read on-chain, off-chain and absence data every 30s and reject almost everything — when they converge, you get a directional call with the evidence attached. Public track record your agent can audit in one call. MCP + REST + x402. Free tier, no card.

Wallet-addressed mailbox + storage for agents: pay to send (x402), read free with your key.

Solana launch intelligence: calibrated rug verdicts with a published hit rate, wallets, KOL trades.

Read-only XRP Ledger MCP tools with proof-annotation envelopes and signed daily snapshots.

Discover privacy-first, bounded Venice-powered micro-work calls with exact x402 USDC prices.

Nine-chain onchain intelligence for AI agents. The verifiable proof stream is free. Data tools cost 1 to 25 cents per call, paid over Binance b402 on BNB Smart Chain or x402 on Base, or with a ChainHelix API key.

Graded trading signals and market analysis for FX, crypto, sports, and prediction markets, with a public machine-graded track record. Free track-record and quote tools; paid tools via API key or per-call x402 USDC