etch for LangChain
io.github.saravananjaichandar/etch
Etch is a signed audit chain for AI agent decisions, offline-verifiable against pinned public keys.
client:LangChain
transport:streamable-http
Install etch in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"etch": {
"transport": "streamable_http",
"url": "https://etch.systems/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs