"How to use my web browser effectively" 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.

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

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.

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

44 x402-paid web, document, research, developer, data, and EVM tools on Base, plus free workflows.

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

Fail-closed safe-to-pay verdicts on Base: known-bad wallets, look-alike tokens, repeat rug funders.

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.

Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.

44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

x402-paid tools: EU company & sanctions data, web search, LLM chat, crypto intel, x402 monitoring.

x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.

Pay-per-use weather, environment, finance, and on-chain intelligence tools for AI agents via x402.

Recover stranded native gas: empty a chain's balance to exactly zero on 25 EVM chains.

Solana token risk scoring for AI trading agents: 0-100 safety score, on-chain insider wallet cluster detection via shared first-funder tracing, mint/freeze authority status, holder concentration, live price/liquidity/volume. Batch endpoint for up to 25 mints per call. Free tier (15 req/day, no card).

8 pay-per-call web intel tools over MCP. Free discovery, calls settle in USDC on Base (x402).

Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base.