"Orbit Sentinel - Satellite or Space Monitoring System" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
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.
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.
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.
Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.
Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM
Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.
PIX payments for Brazil: verify a settlement with no API key, or sell USDT/USDC for BRL over PIX.
AmanChain: quantum-resistant x402 payments. Remote MCP, 50 paid services. USDC on Base or AMAN.
TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP
Solana wallet tracker & alerts: real-time activity webhooks, balances, tx history. Free.
Rent verified subdomains by the hour, day, or month. Free 24h trials, x402 USDC on Base.
Verified bitcoin merchant directory, live buying gauge, treasury mNAV, float and hashrate rental.
Verifiable crypto signals, recorded history and always-on monitoring for AI agents via x402 on Base.
Risk-adjusted stablecoin yield ranks for other agents. Research only. Never holds keys or executes.
Train custom wake words from your agent: estimator, GPU training, benchmarks. Card or crypto.
Paid x402 MCP utilities for Base-USDC balances, blocks, gas, HTTPS headers, and agent profile bios.
Wanchain explorer and analytics. Premium data: prepaid credit or standard x402 (0.01 USDC/request).