AgentGuard for LangChain
io.github.merchantguard/agentguard
Local spend caps, kill-switch blocking and Ed25519-signed receipts for AI agent tool calls.
client:LangChain
transport:stdio
runtime:npm
Install AgentGuard in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"agentguard": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "@agentguard-run/mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs