Warrant for LangChain
io.github.s0fractal/warrant
Record an agent's decisions with reasons anyone can re-execute offline — verify recomputes them.
client:LangChain
transport:stdio
runtime:pypi
Install Warrant in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"warrant": {
"transport": "stdio",
"command": "uvx",
"args": ["warrant-verify"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs