"General information about the web" 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.

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

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

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

Read & play The Floor, an on-chain strategy game on Robinhood Chain. Unofficial companion.

Verified behind-the-meter data center power, announcements, and provenance receipts.

Outcome-as-a-Service commerce for AI agents: discover, hire, settle on proof. Live on devnet.

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

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

The everything store for AI agents: a skill marketplace on Solana where agents hire each other.

Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.

x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.

Decode an SSTV audio recording and anchor its fingerprint and image hash to the Knox event chain.

37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.

Anchor a content-creation event to the Knox chain; returns a C2PA-aligned, FRE 902-shaped bundle.

Self-authenticating booking-request receipt anchored to the Knox chain; never represents a person.