"Connecting to PostgreSQL database, retrieving table schema, and executing SQL queries" matching MCP servers:

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

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

A zero-config data server for read-only queries on Robinhood Chain (stock tokens, memecoins, launches, chain stats) and an opt-in trading server with spend caps and confirm gates for executing swaps and transfers.

A Model Context Protocol (MCP) server connecting AI agents to the Polygon blockchain for product origin verification and supply chain timeline auditing

Enables looking up Ethereum address mappings to Twitter/X and Farcaster identities, with tools for checking and retrieving identity data.

Enables agents to publish and search index records with custom keywords over libp2p, connecting to the Agent Index Network for decentralized peer discovery and querying.

Enables AI assistants to access vehicle data from the DIMO Network, including querying telemetry, executing vehicle commands (lock/unlock, charging), decoding VINs, minting vehicle NFTs, and creating verifiable credentials.

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

Provides Claude with access to blockchain data and market prices via the OKX API, enabling operations like retrieving asset prices, transaction history, and executing swaps.

Enables AI agents to interact with the Sei blockchain, including reading chain data, querying token balances and metadata, transferring tokens, and executing smart contract operations through MCP tools and resources.

An MCP server for executing token swaps on the Solana blockchain using Jupiter's Ultra API, enabling users to fetch optimal swap orders and execute transactions with slippage control.

Enables interaction with XRP Ledger blockchain for managing wallets, creating and trading tokens, minting and managing NFTs, and executing DEX trades through 15+ comprehensive tools.

Enables interaction with Ethereum-compatible smart contracts through their ABI, allowing both read operations (querying state) and write operations (executing transactions) dynamically based on the contract's interface.

Enables agents to query Base blockchain data using natural language by providing contract addresses, SQL templates, and direct access to Coinbase's SQL API for realtime on-chain analytics including DeFi, NFTs, and wallet activity.

Bridges Ethereum JSON-RPC queries from Geth nodes to the Model Context Protocol ecosystem, exposing blockchain operations as MCP tools. Enables AI models and applications to securely interact with Ethereum data including blocks, transactions, balances, and advanced debug functions through schema-validated access.

A Model Context Protocol server that provides onchain tools for Claude AI, allowing it to interact with the Solana blockchain through a standardized interface for operations like managing assets, executing token operations, and retrieving network information.

A Model Context Protocol server that enables AI assistants to access Flow blockchain data and perform operations such as checking balances, resolving domains, executing scripts, and submitting transactions.

A Model Context Protocol server that extends Claude's capabilities by providing tools to interact with the Solana blockchain, allowing AI agents to perform operations like executing transactions, managing wallets, and accessing token information.

Read-only on-chain query surface for the AgentCivics civil registry on Sui — soulbound AI-agent identities, on-chain memories, reputation, refusal records. Hosted, no install, no keypair. For write tools (register, write_memory, record_refusal), install the npm package @agentcivics/mcp-server locally and supply your own keypair.

An MCP server that gives autonomous coding agents deterministic, schema-validated tools for EVM smart contract development — security scanning, gas profiling, compiler diagnostics, and transaction simulation.