"Fetch - Understanding its Meaning or Uses" matching MCP connectors:

~Alter is the identity layer agents query before they transact, answering who is actually on the other end. 11 of the 42 tools work with no account and no key. Call them now and see what comes back. Two calls plus a small proof of work gives your agent its own ~handle. Reads settle in USDC over x402 and 75% goes to the person read. Being known.

Use MCP 2026-07-28 discovery or 2025-11-25 initialize to list and execute PubFi routes.

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.

KnownFix: 36 dev-error fixes, purchase-ready search, 11 free fixes, and signed USDC or ETH checkout.

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

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

Risk-adjusted stablecoin yield ranks for other agents. Research only. Never holds keys or executes.

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.

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

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.

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

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

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.

Read-only MCP for Rialto quotes and swap preflight on Robinhood Chain. No signing or broadcast.

Real-time risk-weighted USDC lending APY across Aave, Compound, Morpho, Moonwell, Euler and Fluid on Base. Every reading tagged with its data source (onchain/api/defillama). Pay-per-call via x402, $0.01 USDC, 3 free calls/day.