John's Essentials for LangChain
com.johnsessentials/johns-essentials
144 deterministic file tools: PDF, image, media, convert, analyze. Connect in one click (OAuth).
client:LangChain
transport:streamable-http
Install John's Essentials in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"johns-essentials": {
"transport": "streamable_http",
"url": "https://api.johnsessentials.com/mcp/messages",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs