"A guide to coding a monorepo" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
WagerX runs real-money deposit/withdrawal tests on crypto casinos. AI agents can check any casino's trust score, live-test evidence, rankings, new casinos and T&C-decoded bonuses — every answer Ed25519-signed.
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.
Verified fixes, professional reviews, and evidence-led apparel over MCP.
A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery.
Use MCP 2026-07-28 discovery or 2025-11-25 initialize to list and execute PubFi routes.
Three independent sensors read pre-price Bitcoin flows every 30s and reject almost everything. When they converge, a call is emitted with evidence — and the public rejection funnel proves how often it stays silent. Auditable in one call. Free tier; Pro 50 USD/month or 0.01 USD/query via x402.
RPC gateway for agents: six mainnets, measured failover, one key and one meter. Get a key with the get_key tool, no signup. Pay per call with USDC (x402) or bring an account key. Status measured in public.
Pay-per-action access to APIs and MCP tools over Lightning L402 and Base USDC x402.
Add pay-per-action access to APIs, MCP tools, automations, and digital resources using Bitcoin Lightning L402 or Base USDC x402. AIPP provides payment verification and direct-to-wallet settlement without subscriptions.
Buy a $2 novelty digital rock over x402 (USDC on Base). Serves payment instructions only.
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.
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.
Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.
SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.
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.
BridgeNode — x402 pay-per-request AI inference. OpenAI-compatible API + MCP, Solana USDC, gas-free.
Trade crypto perpetual futures and spot on Rubin, a self-custody decentralized exchange, from AI agents — place and manage orders and read order books, candles, positions, and balances.