"Examples of complex problem-solving using multiple tools" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
Twenty-two paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.
Pay-per-action access to APIs and MCP tools over Lightning L402 and Base USDC x402.
Add pay-per-action access to APIs, MCP tools, automations, and digital resources using Bitcoin Lightning L402 or Base USDC x402. AIPP provides payment verification and direct-to-wallet settlement without subscriptions.
7 agent tools (prune, convert, estimate, diff, patch, generate, validate). USDC on Base L2.
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.
Remote MCP server for minia2a.uk — 1,680+ x402 pay-per-call agent tools. USDC on Base, 5 free trial calls per wallet.
Emercoin swap exposes a keyless MCP exchanger at https://swap.emercoin.com/mcp (Streamable HTTP) so an AI agent holding USDT can buy EMC programmatically — no API key, no account, no callback. Tools: get_swap_config, buy_emc, get_order_status, cancel_order. Call buy_emc with an amount and your EMC address, pay the exact returned figure to the deposit address, then poll by token until delivered. Part of the broader effort to use Emercoin as an identity + memory layer for AI agents.
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.
Authenticated hosted Streamable HTTP MCP server for crypto data routing through PubFi capability and gateway tools.
Buy game keys, gift cards, and subscriptions via x402 USDC on Base. 8 MCP tools, no install.
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.
AI-native stablecoin settlement rail replacing SWIFT for institutional cross-border payments. 14 tools covering settlement quotes, execution, ESG scoring, oracle status, fee verification, competitor comparison, rail health, investment context, and MPP-gated macro intelligence. Settles via Base mainnet USDC at ~1.385% all-in.
Read-only XRP Ledger MCP tools with proof-annotation envelopes and signed daily snapshots.
Cross-chain swap aggregator across 16+ chains, incl. native Bitcoin/Solana. 0% fees, non-custodial.
Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual
Keyless prediction-market data across 12 venues plus paper-trading of crypto spot, futures, and PM.
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.
40+ Lightning-paid AI tools for agents: calls, SMS, fax, voice, translation. No signup, no keys.
