2,020 servers in Crypto & Web3
Read a voluntary personal appeal, USDC receiving details, and submit private proposals.
Pay OpenRouter and Coinbase payment links with USDC, USDT, ETH, BNB, POL, SOL or BTC Lightning.
Crypto news, perps, market pulse, price history and token checks for AI agents. USDC per call.
Timestamp files in Bitcoin (OpenTimestamps): send a hash, pay per hash with x402, get a proof.
Smart contract audit oracles, Solana risk analysis, MEV defense & HTTP 402 verifiers.
What the chain records about an address before you pay it, and whether a payment fits it.
XRP Ledger tokens, AMM pools, NFTs, accounts and transactions: prices, holders, trades and history
Crypto market context, BSC alerts & token verdicts for agents. x402 on Base.
Pre-trade risk check for agents; Robinhood Chain launches, flow, swaps, safety; Solana; x402
Fixed-cost loans on Robinhood Chain: quotes, and each transaction unsigned for your own wallet.
Notícias cripto do Brasil em português: histórias, temas e fontes. Read-only crypto news (pt-BR).
Testnet wallet for AI agents on Aether: pay, get paid and buy from paid APIs, with spending caps.
Bounded authorization and independently verifiable execution evidence for agents.
23-in-1 MCP server: EVM tx simulator, funding rate arb, macro radar, swap calldata & security.
Smart-contract risk reports for AI agents on 20 EVM chains, paid per call via x402 ($0.02 USDC).
Stock-perp gaps, verdicts and Hyperliquid prediction-market odds vs perp-implied probability. x402.
Verifiable crypto/KR/US market intelligence for AI agents: signals, hash-chained ledger. Not advice.
225 pay-per-call agent tools: Polymarket, chain reads, DeFi, web, SEC, KYB, geo, dev, AI. x402
Is a trading bot legit? Sourced bot fact sheets, regulator scam records and on-chain results.
XRP research, paper arena and free XRPL transaction explanations / x402 diagnostics. No signing.
On-chain DeFi smart contract auditor, arbitrage scanner, and agent tollbooth via x402 on Base.
Crypto data, Solana pre-trade checks, sanctions, papers, language tasks. 90 tools, USDC, 21 chains.
KOL and smart money tracking on 5 chains, plus CabalSpy ID (SocialFi): verified traders, theses.
Free, non-custodial tools to validate bounded USDC/USDT payout plans and reconcile payouts.
Crypto research: launch, surge, daily picks, forensics, research jobs, monitors, rug checks.
Agent reads, ETH/Base/Arc/BNB: prices, FX, sanctions, payment checks, balances, NFTs, gas, ENS.
Who can change an EVM contract or Safe: proxy admin, owner, Safe signers, timelock. Free alerts.
Inspect payment policy, retrieve and verify receipts, or create post-payment observation receipts.
Base token facts and ERC-20 allowance checks. Per-call USDC on Base; x402 wallet required.
Base MCP (39 tools) on Base: programs, mint, rewards. lsk_ key; plan limits enforced. /for-agents