mcp x402 accept for LangChain
io.github.cryptoapis-io/mcp-x402-accept
Self-hosted MCP proxy that puts an x402 paywall in front of an existing MCP server
client:LangChain
transport:stdio
runtime:npm
Install mcp x402 accept in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"mcp-x402-accept": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "@cryptoapis-io/mcp-x402-accept"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs