"Methods to reduce API call frequency" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Spend USDC in the real world: prepaid cards, gift cards, push-to-card, and bank payouts.
Review AurasPay merchant payments and prepare payment links with scoped OAuth and human approval.
Read-only access to Floatout plans, launch guides and fee research for branded Hyperliquid perpetuals and prediction market DEXs. No API key required. Documentation: https://docs.floatout.xyz
Remote MCP server for crypto trading signals and the public ledger that scores them, losses included. Read tools: open signals, the signal ledger (matured wins and losses), signals cancelled by the BTC regime veto with the outcome they would have had, market snapshot and ticker for scanned Binance symbols, the scheduled BTC chart read, and news headlines. The public read tools work without a key. With a free API key from ribqa.com: your own bots and strategies, and rate-limited strategy backtests. No tool places, simulates or cancels an order. Free during beta.
Remote MCP server exposing 330 production AI-agent services for web/data processing, validation, AI utilities, blockchain/crypto utilities, and x402 pay-per-use access.
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.
Non-custodial cross-chain bridge quotes for agents: Solana to Base USDC; unsigned txs, never signs
Crypto perp funding, spreads and listings, plus your own Arbitron cards, trades, PnL and docs.
Mint an agent identity in two free calls. Verify anyone. Earn 75% when someone reads you.
Pay-per-call x402 data API for AI trading agents: Polymarket arbitrage, kimchi premium & more.
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.
Use MCP 2026-07-28 discovery or 2025-11-25 initialize to list and execute PubFi routes.
Deterministic crypto, options, forex, on-chain, prediction, risk math. 70 tools.
Liquidation tape, exit liquidity, derivatives and Solana data. Per-call USDC over x402 or MPP.
Read-only tools for agents: everything a Solana or Robinhood Chain wallet can get back (rent, wrapped SOL, LP fees, dead positions, failed deploys), whether a token is safe, when it unlocks, which protocol upgrades are live, and what a token operation costs. Every answer names the page where the user acts with their own wallet. Nothing here moves funds or holds keys.
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-call agent tools: Polymarket signals, IPFS pinning, EIP-712 attestations. USDC on Base.
Research stored Crypto X posts, assets and authors with source links, chain filters and stored prices. Start with whole-period summaries, then retrieve relevant posts. Uses your CryptoSocials account and shared research credits. Streamable HTTP with a Bearer access key; setup: https://cryptosocials.net/agent-access. Stored evidence is not all of X; prices and coverage can have gaps.
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.