"Semantic Search API Solutions" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Rug pull risk and on-chain forensics for tokens on Solana, Ethereum, Base and Robinhood.
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
Pay-per-call data APIs for AI agents: business, compliance, procurement, VAT and IBAN via x402.
Pump.fun risk checks: $0.005/mint or $0.01/5. Free coverage/watch. x402 USDC on Solana or Base. MCP
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
Market-phase classifications over a metered API — phase events per currency and timeframe.
Smart contract security screening for Base. Check any contract or token for risk before interacting with it: Solidity source verification, upgradeable proxies and admin or mint powers, holder concentration, dangerous selectors, and B20 issuer powers. It surfaces the usual rug pull and scam indicators. The free tool needs no wallet and no API key; the paid Flash Audit (3.49 USDC over x402) returns a report with an anchored SHA-256. Payment is the only gate.
A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery.
Trust-first Solana & Base DeFi intelligence for AI agents. Pay-per-call over x402 (USDC) — no account, no API key.
Stealth scraping API for AI agents. Clean Markdown from any URL. x402 crypto payments.
Compliance MCP for AI agents: sanctions & KYT screening on 50+ chains, stablecoin-freeze, oracle.
Mint an agent identity in two free calls. Verify anyone. Earn 75% when someone reads you.
Read-only paper risk evidence and policy-gated committed event research. No real orders.
Polymarket, Manifold, Metaculus compared: one fair probability per question. No API key needed.
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.
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.
25 deterministic data, repository, API, and public-web utilities with Base-USDC x402 pay-per-call settlement.
Hosted Hyperliquid MCP server: query OHLCV, funding and positioning data in plain language with a free API key.
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.
Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.
