Postcard for LangChain
com.clawhard/postcard
Check a link's share card on X, Facebook, LinkedIn: real image size, tag problems, fixed tags.
client:LangChain
transport:streamable-http
tools:2
Install Postcard in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"postcard": {
"transport": "streamable_http",
"url": "https://postcard.clawhard.com/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs