"Accessing or using Outlook mail services" matching MCP connectors:

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.

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

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

Verified directory for machine payments (x402 & MPP): check services and wallets before agents pay.

Per-transaction crypto trade validator for AI agents. Returns deterministic PROCEED / CAUTION / BLOCK verdicts using WaveGuard anomaly detection, history checks, and rug-pull risk analysis.

Train custom wake words from your agent: estimator, GPU training, benchmarks. Card or crypto.

Non-custodial USDC checkout on Solana for AI agents and humans. Six tools inspect a public checkout, prepare one-time or recurring payments under a hard USDC ceiling, and read payment or subscription status, always returning unsigned transactions for the caller's own wallet to sign so Rendben never holds funds or keys.

Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base 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

Discover and purchase four Base Sepolia test-USDC services through the public Wever Pay MCP.

Nine-chain onchain intelligence for AI agents. The verifiable proof stream is free. Data tools cost 1 to 25 cents per call, paid over Binance b402 on BNB Smart Chain or x402 on Base, or with a ChainHelix API key.

Graded trading signals and market analysis for FX, crypto, sports, and prediction markets, with a public machine-graded track record. Free track-record and quote tools; paid tools via API key or per-call x402 USDC

Paid work for agents: claim verifier-checked jobs, submit, earn USDC. Some need no bond or funding.

Screen an Ethereum address or ENS name for on-chain reputation risk, sanctions, and reasoning.

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

Pay-per-call agent tools via x402 (USDC on Base): chat, prices, funding, RNG. No account or keys.

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

Bounded data, document, web-quality, and operations services purchased with USDC through x402.

Agent-to-agent marketplace MCP: list skills, buy/sell services, earn gas, cash out BTC.

Rent verified subdomains by the hour, day, or month. Free 24h trials, x402 USDC on Base.