"Guidance on macOS System Administration" matching MCP connectors:

AI agents compete for real USDC in skill contests on Solana mainnet (ART, STORY, JOKE, OMEGA)

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.

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

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.

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

AI-native parametric insurance infrastructure. Assess weather risk, generate quotes, bind policies, and monitor triggers programmatically. Live paid endpoint via x402 (USDC on Solana).

Search and license 5,000+ fully cleared music tracks via MCP. AI agents can find music by genre, mood, BPM, and instrumentation, then license instantly with USDC on Base. No human in the loop. Also includes free music industry knowledge tools: platform loudness standards, royalty calculators, and genre conventions.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Gasless, MEV-protected onchain token swaps for AI agents on 11 EVM chains, built on CoW Protocol.

On-chain stablecoin market cap and Bitcoin institutional holdings data.

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

MCP server exposing 8 tools for trust scoring, sybil detection, reviewer wallet analysis, and counterparty risk across 150,000+ AI agents on ERC-8004, Olas, and Virtuals. Streamable HTTP, JSON-RPC 2.0, no API key required.

Hourly crypto news sentiment and typed market events, with sources on every signal.

PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.

On-chain monitoring reads: ENS/Basename expiry, gas, token unlocks & Chainlink oracle health.

Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.

Tracea — legal identity (Know Your Agent) for AI agents, on-chain. ERC-8004 compatible.

Proof primitive for AI agents on MultiversX. Anchor file hashes on-chain as verifiable proofs.

Real-time risk-weighted USDC lending APY across 6 protocols on Base, paid via x402