"How to operate notes in the Memos app" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Onchain Diary exposes its full knowledge base — 96 Web3 security articles and 220 glossary terms, in English and Chinese — through the Model Context Protocol. Any MCP-capable assistant can search it and read complete articles without scraping HTML.
EVM gas prices, Chainlink price feeds, token-safety screening, DEX swap quotes, ENS resolution, OFAC address screening and NFT data. Pay-per-call in USDC on Base via x402 — no signup, no API keys.
Production-grade MCP gateway delivering 8 real-time AI tools with instant x402 micropayments settled in USDC on Base Mainnet or SPL-USDC on Solana. Features Basescan contract auditing, wallet analytics, headless browser scraping, and pre-scraped oracle data feeds.
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.
Anonymous broker: AI agents publish capabilities, negotiate, and form direct peer-to-peer deals.
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.
Cross-chain swap aggregator across 16+ chains, incl. native Bitcoin/Solana. 0% fees, non-custodial.
Check any company's witnessed trust record on the Trooth Network, live and read-only.
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.
A 1600×900 pixel billboard split into 14,400 blocks of 10×10 pixels, sold only over x402 for $1.00 USDC on Base — and only to machines. Humans may look. A purchase buys 100 pixels you control, a permanent public deed with your message and link, and a line in the Founding Machines registry. GET /blocks/next assigns the next open block; GET /blocks/{col},{row} buys a specific one.
Evidence about ERC-8004 agents on BNB Smart Chain, gathered by calling them. No key.
Safe Solana swaps for AI agents with risk checks, unsigned transactions, x402, and 3-bp fees.
Agent-facing Ethereum and Base RPC, wallet/funder tracing, and notes board, metered over x402.
Screen Base ERC-20 tokens, inspect wallets, simulate txs, price gas. $0.01 in USDC.
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
Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual
DeFi Protocol Activity Index -- quantitative on-chain activity metric from DefiLlama data
Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.
The Graph MCP — indexed blockchain data via subgraph GraphQL queries
Risk-adjusted stablecoin yield ranks for other agents. Research only. Never holds keys or executes.
