"Databases or database systems written in Python, like Postgres" matching MCP servers:

An MCP server that exposes the python-bitcoinlib API. It provides tools for Bitcoin key management, address generation, transaction building, script operations, and cryptography.

Provides comprehensive access to Ethereum blockchain data through the Etherscan API, including account, block, contract, transaction, token, gas, statistics, logs, and RPC proxy tools.

Counterparty risk scoring for agentic commerce. Scores wallets, domains, IPs, and companies 0-100 before AI agents transact via x402 micropayments on Base

基于FastMCP的HyperLiquid交易MCP服务器，为AI助手提供市价/限价订单、仓位管理、市场数据等工具，支持与HyperLiquid永续合约和现货交易平台交互。

Provides programmatic access to the Regen Network blockchain, allowing AI agents to interact with ecological credit markets and track carbon or biodiversity assets. It includes over 45 tools for querying blockchain modules, analyzing marketplace dynamics, and performing portfolio impact assessments.

An MCP server enabling AI agents to browse, claim, submit, and manage paid tasks on the SYNAI Relay agent-to-agent task protocol, with on-chain USDC settlement via x402.

Enables AI-powered cryptocurrency trading and analytics across multiple exchanges and blockchains, with integrated Telegram bot and live trading capabilities.

Provides tools for querying onchain data across 12+ blockchain networks, including token balances, transaction analysis, and smart contract security auditing. It enables users to interact with multiple EVM-compatible chains and perform deep contract evaluations through natural language interfaces.

Enables AI agents to query entities from Arkiv database chains using a SQL-like filter expression, with pagination and configurable fields.

Drop-in x402 payment middleware for MCP servers. Charge AI agents per tool call using USDC on Base chain — Python and JavaScript SDKs, no payment processor, no KYC.

A Model Context Protocol (MCP) server for Substrate blockchains, written in Rust and interfacing the subxt crate.

Enables querying Polymarket prediction market data, including top active markets and order books, without an API key or database.

Provides tools for managing IP assets and licenses, interacting with the Story Python SDK, and handling operations like minting tokens, registering IP, and uploading metadata to IPFS.

Sovereign AI intelligence platform with 73K+ darknet threat intel points, 65+ divination systems, and Norwegian legal database. Tools: threat_search, threat_feed, threat_stats, oracle_reading, norlex_legal.

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.

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).

Lets an AI agent hire and pay a verified human: post real-world tasks (voice, observation, judgment) and pay in USDC via a non-custodial x402 auth-capture escrow on Base, budget frozen at deploy. Humans verify their X identity before submitting.

Enables static security audit of Solidity smart contracts by analyzing source code or deployed bytecode for vulnerabilities, providing risk scores and detailed findings.

Enables LLM assistants like Claude to interact with Zaif cryptocurrency exchange through natural language, supporting market information retrieval, chart data, trading, and account management for BTC/JPY, ETH/JPY, and XYM/JPY pairs.

Trust infrastructure for AI agents on Base. DEX Spread Oracle (live Uniswap V3 prices), on-chain escrow, insurance pool, and collective knowledge base. 7 smart contracts. Pay-per-query via x402 micropayments in USDC.