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mcp/harbor
LangChain

mcp contracts for LangChain

io.github.cryptoapis-io/mcp-contracts

MCP server for smart contract ABIs and on-chain data from EVM and Solana via Crypto APIs

client:LangChain transport:stdio runtime:npm

Install mcp contracts in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mcp-contracts": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@cryptoapis-io/mcp-contracts"],
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

mcp contracts in other clients

mcp contracts MCP server