"Overview of HTTP (HyperText Transfer Protocol)" matching MCP connectors:

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.

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.

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.

PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.

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

Gasless, MEV-protected onchain token swaps for AI agents on 11 EVM chains, built on CoW Protocol.

39-endpoint crypto trading intelligence MCP for AI agents. Streamable HTTP over x402 pay-per-use (Base USDC). Catalog tools + agent-strategy console.

ZKP2P analytics on Base: live orderbook, route planning, explorer, and protocol market data.

Keyless prediction-market data across 11 venues plus paper-trading of crypto spot, futures, and PM.

Buy any of 24,000+ live x402 services with USDC on Base — the open marketplace for the agent economy.

Curated marketplace of real-world data APIs for AI agents, paid per call in USDC on Solana.

Cryptographic proof of wallet ownership in two steps, with no keys and no custody.

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.

Crypto prices, market overview, DeFi TVL, whale flows & anomaly scans for trading agents.

Catalog of 370+ open-source AI-agent harnesses. Search, list your own, earn USDC tips via x402.

DeFi execution layer for AI agents — swap, zap in/out of LP positions, and route across AMMs on 5 EVM chains. Non-custodial: returns signable calldata, never signs.

DeFi protocol data: TVL, yield pools, and cross-chain analytics

Hosted Streamable HTTP MCP endpoint for CoinRithm paper trading. Users authenticate with their own CoinRithm API key.

BTC Decision Terminal for AI Agents — live vault-backed signals, on-chain proof, cross-chain swap. Verify in real time.