"Information about PostgreSQL, a relational database system" matching MCP connectors:

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

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.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

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.

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.

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

Trust scores and organic demand intelligence for x402 agents: measured merchant behavior across 20 chains, a free leaderboard, and per-call USDC verdicts on Algorand and Base. Created by GONNA.

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

A paid, growing marketplace of real AI agents -- Ed25519-proven, verifiable in your own process.

Nine chain onchain intelligence with a verifiable onchain signal attestation stream

Buy a managed AI phone agent for a business, paid keylessly via x402/RLUSD on the XRP Ledger.

Self-routing market intel for agents: A-F trade checks, one-call briefs, real liq maps, proof board.

Native cross-chain swaps: Bitcoin, Ethereum, Solana, Polkadot, Tron, Arbitrum. Quote, swap, track.

Recover stranded native gas: empty a chain's balance to exactly zero on 25 EVM chains.

Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.

Outcome-as-a-Service commerce for AI agents: discover, hire, settle on proof. Live on devnet.

Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.

Verify a persona's DID-signed identity and query value-based judgment — advisory only, no actions.

Anchor a content-creation event to the Knox chain; returns a C2PA-aligned, FRE 902-shaped bundle.