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mcp/harbor
LangChain

chain signer for LangChain

io.github.kevthetech143/chain-signer

Security suite for AI agents: flag drains, permit-phishing & risky actions before signing.

client:LangChain transport:stdio runtime:pypi

Install chain signer in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "chain-signer": {
            "transport": "stdio",
            "command": "uvx",
            "args": ["chain-signer"],
        }
})

tools = await client.get_tools()

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

chain signer in other clients

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