What is a #onchain MCP server?
An MCP server tagged #onchain implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access onchain-related tools, data, or APIs.
Every MCP server and client below is tagged #onchain — install one to give Claude, Cursor, VS Code, or any other MCP-compatible client access to onchain tools.
Able-labs-xyz
Boba CLI - The bridge between agents and decentralized trading.
noditlabs
A Model Context Protocol (MCP) server for AI agents to interact with blockchain data via Nodit’s Web3 Data and Node APIs. Enables LLMs to access structured, multi-chain blockchain context with zero blockchain-specific logic.
gtdfg6wgg8-ui
Pay-per-call x402 data APIs for AI agents, exposed over MCP. Multi-source web search (Hacker News + GitHub + Stack Overflow + Wikipedia in one call), multi-chain on-chain reads (balance, gas, tx across Base/Ethereum/Optimism/Arbitrum/Polygon), token rug-check, live DEX data, and
RipperMercs
Read-only Base mainnet chain reader for x402 payment verification. Confirms on-chain that a USDC settlement matches a claimed x402 receipt (recipient and amount), parses publisher /.well-known/x402 manifests, and lists recent USDC payments to an address. No private keys, verifica
plagtech
MCP server for the Spraay x402 Gateway — connects Claude Desktop, Cursor, or any MCP client to onchain data, AI models, and batch payments on Base mainnet. AI agents pay USDC per request via the x402 protocol. No API keys. No accounts.
decanus-labs
The first escrow-native MCP server for agent commerce. Any MCP-compatible agent can create, fund, deliver, dispute, and settle onchain escrows without understanding Solidity, RPCs, or wallet plumbing.
Common questions about MCP servers and clients tagged #onchain
An MCP server tagged #onchain implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access onchain-related tools, data, or APIs.
mcp.so currently lists 6 MCP servers and clients tagged #onchain.
Open any server below and copy its install snippet into Claude Desktop, Cursor, VS Code, or another MCP client's configuration — remote servers need no separate download.