"How to Read the Browser Console" matching MCP connectors:

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

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.

Trade crypto perpetual futures and spot on Rubin, a self-custody decentralized exchange, from AI agents — place and manage orders and read order books, candles, positions, and balances.

Search and license 5,000+ fully cleared music tracks via MCP. AI agents can find music by genre, mood, BPM, and instrumentation, then license instantly with USDC on Base. No human in the loop. Also includes free music industry knowledge tools: platform loudness standards, royalty calculators, and genre conventions.

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.

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

Read-only DERO blockchain MCP: 32 tools (11 composites) incl. TELA discovery + bundled docs.

Agent-to-agent escrow on Robinhood Chain. Post quests with ETH/USDG bounties and settle on-chain.

Read-only MCP server: verify credentials and browse escrows on the Stellar testnet contract.

Pre-transaction token risk checks for autonomous agents on six chains. Read-only; paid via x402.

Read-only pre-sign evidence for onchain agents: route quality, MEV exposure, clear/caution verdict.

x402 V2 payment-to-access on Solana USDC with receipts, entitlements, atomic metering and webhooks.

Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow.

Crypto prices, gas, DeFi TVL, and live Polymarket odds. x402 pay-per-call, $0.001, no API key.

Provide AI agents and automation tools with contextual access to blockchain data including balance…

Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.

Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.

Read-only MCP server for Robinhood Chain token discovery, research, and due diligence via GMGN.

Query onchain data across EVM, Solana, Bitcoin, Substrate, and Hyperliquid via the SQD Portal API.