"Understanding how memory is stored or memory storage methods" matching MCP connectors:

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

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

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

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.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.

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

Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.

PayRam is a self-hosted crypto payment gateway. You deploy it on your own server — no signup, no KYC, no third-party custody. Accept USDT, USDC, Bitcoin, and ETH across Ethereum, Base, Polygon, and Tron.

45 pay-per-call AI agent tools: scraping, SEO, crypto data, lint, agent memory. x402 USDC on Base.

Persistent agent memory paid per call via x402 USDC. Your wallet is your private memory namespace.

Instant rug-check for any EVM or Solana token, distilled to one clear 0-10 risk verdict.

Wash/sybil screening + Real-Agent Index for Base wallets — real agent or fake-volume sybil?

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.

Live crypto data: why a coin or the market is moving (funding, OI, positioning, flow).

Monetize your MCP server or CLI: live OpenCrater network stats + how maintainers earn USDC.

Multi-seller shopping for AI agents. Settle via Stripe MPP or x402 USDC on Base. Hosted.

The stock market, in SQL — scan, replay, or subscribe across ~12k US tickers and top 100 cryptos.

Multi-seller shopping for AI agents. Settle via Stripe MPP or x402 USDC on Base. Hosted.

Browse, compare, and purchase eSIMs for 190+ countries via AI agents. 12 tools for searching 2,300+ data plans, checking coverage, and buying eSIMs with crypto or card. No account required for browsing.