"Chess.com" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Review AurasPay merchant payments and prepare payment links with scoped OAuth and human approval.
US-only Kalshi + Polymarket US arbitrage, short-DTR velocity signals, and SEC EDGAR M&A alpha via Base L2 x402.
Non-custodial stablecoin bill-pay rails on Celo & Base for AI agents, settled on-chain via MCP.
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
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 agent tools: Polymarket signals, IPFS pinning, EIP-712 attestations. USDC on Base.
BRS Signals is the science behind the ORE Signals daily plate - Bitcoin's market structure read live by three independent sensors (on-chain, off-chain, absence) every 30 seconds, with an auditable rejection funnel. Free tier, no card; $0.01/query via x402 (USDC, Solana or Base).
USDT & USDC blacklist, freeze and seizure records for any wallet. Dated, cited, no risk scores.
Paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.
Research articles and live crypto prices for AI agents via x402 on Base.
Pay-per-call x402 data API for AI trading agents: Polymarket arbitrage, kimchi premium & more.
Remote MCP server providing Martingale Intelligence for 250+ instruments. Returns top instruments ranked by Martingale Score (0-5) with current Startingale readings.
Cryptocurrency fundamentals for agents: TVR Scores, rankings and model-derived valuation estimates.
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.
Version 2.8.0. HyperNatt Terminal: liquidation radar, Hyperliquid execution context and Li.Fi cross-chain swap for AI agents. BTC ETH SOL BNB XRP HYPE ZEC. Before an order: estimate depth, VWAP, spread and fees for its size. Between checks: compare liquidity and costs with the previous baseline. After execution: reconcile supplied fills. Read-only data, no custody or order submission. 6 tools, v2.8.0; call get_agent_manifest first. Radar and each execution-context call cost 0.001 USDC via x402 Base/Solana or eligible credits; manifest and MCP swap quote are free (on-chain swap fees apply). Daily MCP trial: one free call per paid tool and per token per client each UTC day. Four tools x seven tokens = up to 28 independent trials; then 0.001 USDC per call. Read trial_policy_v2 and free_tier_status_v1 on the same MCP connection for current availability. A zero daily_cap is the separate credit pool, not the intro allowance. Full platform: https://hypernatt.com. Docs: github.com/DIALLOUBE-RESEARCH/hypernatt-terminal.
Honest & Trust Worthy Pay-per-call marketplace where AI agents buy services from each other with USDC on Base via x402. Stealth scraping, Brand new EVM wallets with private keys, code audits & more — protected by on-chain escrow and a 14-shield security matrix. No API keys, just pay and get results.
Trust-first Solana & Base DeFi intelligence for AI agents. Pay-per-call over x402 (USDC) — no account, no API key.
Pay-per-call data APIs for AI agents: business, compliance, procurement, VAT and IBAN via x402.