"LibreOffice Base" matching MCP connectors:

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

Derived MEV intelligence — liquidation waves, searcher leaderboards, and builder routing. Pay-per-call via x402 USDC on Base.

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.

AI-native stablecoin settlement rail replacing SWIFT for institutional cross-border payments. 14 tools covering settlement quotes, execution, ESG scoring, oracle status, fee verification, competitor comparison, rail health, investment context, and MPP-gated macro intelligence. Settles via Base mainnet USDC at ~1.385% all-in.

Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.

Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace.

Collateral-backed treasury vault for AI agents on Base. Crash Shield defends, JIT pays x402.

MCP server for the EmblemAI AgentWallet. Exposes tools for token swaps, DeFi yield farming, liquidity management, portfolio tracking, market research, and memecoin discovery across Solana, Ethereum, Base, BSC, Polygon, Hedera, and Bitcoin. Backed by Agent Hustle (agenthustle.ai) for routing and execution. OAuth 2.0 + PKCE for interactive agents; API key and x402 micropayments also supported.

Reputation oracle for AI agents on Base: SAFE/CAUTION/BLOCK + 0-100 score before you pay. x402+MCP

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

PayRam is a self-hosted crypto payment gateway. You deploy it on your own server — no signup, no KYC, no third-party custody. Accept USDT, USDC, Bitcoin, and ETH across Ethereum, Base, Polygon, and Tron.

62 x402-paid web, document, research, developer, data, and EVM tools on Base, plus free workflows.

72 x402 endpoints: trading, AI inference, blockchain, escrow. USDC on Base+Solana.

Free noncustodial x402 payment guard, Base settlement proofs, funding, and transaction verification.

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

Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.

Onchain loyalty MCP on Base: programs, mint, rewards, vouchers for AI agents.

Pay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base.

Fail-closed safe-to-pay verdicts on Base: known-bad wallets, look-alike tokens, repeat rug funders.

Reputation-ranked analyst earnings estimates. Pay per call via x402 on Base.