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20 Best PostgreSQL MCP Servers: compared and ranked, October 2026Ranked from 1,372 matching servers on stars, growth, downloads and maintenance. Updated .

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    Enables autonomous agents to discover and call 35 pay-per-request microservices — pre-execution security guardrails, smart-contract auditing, Solana token and MEV risk oracles, web research, code sandboxes, and frontier AI models — settling each call atomically via Bitcoin Lightning L402, Solana x402, or Base MPP with no API keys, accounts, or subscriptions. It also offers a zero-token demo mode and drop-in integrations for Claude Desktop, Cursor, ElizaOS, LangChain, and CrewAI.
    MIT
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    Connects AI agents and developers to structured blockchain data across multiple networks through Nodit's Web3 infrastructure, enabling easy querying, analysis and interaction with blockchain ecosystems without specialized development expertise.
    9
    32 npm
    23
    Apache 2.0
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    Enables AI agents to retrieve real-time data on wallet DeFi positions, token balances, and NFT holdings across multiple blockchains. It supports hundreds of protocols and provides specialized tools for chain-specific or protocol-specific portfolio analysis.
    8
    8 npm
    3
    MIT
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    Control real robots and IoT devices through AI agents. Self-register with wallet authentication, pay with ETH for tier upgrades, and execute Vision-Language-Action commands. Features robot control, sensor monitoring, multi-agent coordination, and autonomous payments.
    8
    1
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    MCP server for multi-party USDC settlement with validator consensus, enabling submission and tracking of settlements through a network of validators that vote to approve or reject transactions.
    MIT
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    Enables AI agents to make pay-as-you-go AI inference requests through x402 with automatic Solana USDC payments, no API keys or registration, while enforcing configurable spending limits.
    3
    466 npm
    1
    MIT No Attribution
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    Keyless crypto payments for AI agents. One MCP call turns any wallet address into a non-custodial crypto payment link or tip jar, no API key and no account, with funds settling straight to your wallet at a 0% platform fee (USDC/USDT, BTC, LTC, DASH, DOGE, ZCASH).
    3
    37 npm
    MIT
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    Resolves a company name, registrable domain, or LEI to its GLEIF legal entity record — LEI, legal name, jurisdiction, entity status, and registration status — for $0.05 USDC on Base paid per call over x402, with no signup or API key. Includes a free, no-wallet preview of price and coverage plus hard per-call and per-session spend caps, while misses and ambiguous matches cost nothing.
    2
    25 npm
    MIT
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    Enables static security audit of Solidity smart contracts by analyzing source code or deployed bytecode for vulnerabilities, providing risk scores and detailed findings.
    1
    MIT
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    Quick-scan a smart contract for rug, honeypot, or centralization risk before sending funds. It combines verified source, live on-chain state, and heuristic Solidity analysis to return a SAFE/CAUTION/HIGH-RISK verdict.
    1
    MIT
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    Enables an AI assistant to read token bonding curves, quote trades with fee breakdowns, monitor graduation progress, and optionally launch, buy, sell, or rescue tokens on Arc via arcnow.io.
    9
    10 npm
    GPL 3.0
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    MCP server that scores the behavioral risk of a wallet on Base before sending it money. Provides a risk score, verdict, and explainable flags based on USDC payment history.
    2
    43 npm
    Apache 2.0
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    Hashlock Markets — sealed-bid intent-based crypto trading via MCP for AI agents. Atomic cross-chain settlement (Ethereum, Bitcoin, Sui) using HTLC. Six MCP tools for RFQ price discovery without information leakage and HTLC settlement without escrow or bridges. Canonical npm: @hashlock-tech/mcp.
    13
    578 npm
    MIT