"Guide to Reading and Writing Data with PostgreSQL" matching MCP servers:

MCP server for Crypto APIs Block Data product. Get block details by height or hash for EVM, UTXO, and XRP blockchains.

Enables AI assistants to access AnChain.AI blockchain intelligence APIs for risk assessment, sanctions screening, and transaction analysis on blockchain addresses and transactions.

An official Model Context Protocol (MCP) server that provides AI agents with native, real-time access to high-value developer datasets. Currently supports SaaS/AI pricing comparisons, trending developer discussions (V2EX), and real-time Base/Arbitrum gas rates. Free Open Beta is active.

Integrates multiple XRPL data sources including LOS, Validator History Service, XRPL JSON-RPC, and XRPLMeta to provide comprehensive querying of XRPL network data, accounts, transactions, tokens, validators, and more via MCP tools.

Read-only MCP server for Blocksize real-time market data: crypto VWAP, bid/ask, FX, metals and tokenized equities, with pricing, coverage and x402 endpoint lookup. Authenticated connector users get 15,000 free live-data credits every month; subscriptions from EUR 49/month.

GoWeb3 Data MCP Server provides events and news curated by GoWeb3.fyi

Generates MCP servers from smart contract ABIs, enabling Claude to interact with any Ethereum contract via natural language commands.

This MCP server provides authentication via wallet sign-in (SIWE) and authorization with scoped access to read and trade portfolios, enabling secure portfolio management through natural language.

Pay-per-call MCP server for on-chain blockchain data including wallet profiles, token metrics, protocol TVL, and gas prices.

Enables AI agents to access pay-per-call Base and Polygon onchain data (balances, tokens, transactions, gas, blocks, and trending pairs) settled in USDC via x402, with no API key required.

An MCP server that powers AI agents with indexed blockchain data from The Graph.

Provides enriched blockchain data from Codex for use with MCP-compatible clients like Claude Desktop.

Official CoinGecko API MCP Server for Crypto Price & Market Data. More details: https://docs.coingecko.com/reference/mcp-server

An implementation that enables interaction with the Solana blockchain through the Model Context Protocol, supporting all actions from the Solana Agent Kit for standardized protocol operations.

MCP server for Chainlink Runtime Environment, enabling build, simulate, deploy, and manage CRE workflows from any MCP client.

Enables AI agents to discover, purchase, and query blockchain-based datasets using Filecoin/IPFS storage with Ethereum NFT access controls and Lit Protocol encryption. Provides a decentralized marketplace for secure dataset trading with automatic purchase workflows and SQL query capabilities.

Implements the Model Context Protocol to allow AI models to access and interact with blockchain data, including reading contract states, retrieving events, and accessing transaction information across various networks.

An MCP server that provides access to Stern, a philosophical AI mentor combining rationalist thinking with stoic philosophy to guide users through personalized mentorship and smart contract accountability on Solana.

Enables LLMs to interact with the YAMO Blockchain, including reading lesson memories, submitting and retrieving reasoning blocks, and anchoring provenance events.

Enables interaction with the Monad Testnet blockchain, including reading block data, balances, transactions, and token operations via natural language.