kestrel for LangChain
dev.workers.perch-app.kestrel/kestrel
Watch any URL for changes: baseline, then check for a diff. Free, no signup/key.
client:LangChain
transport:streamable-http
tools:4
Install kestrel in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"kestrel": {
"transport": "streamable_http",
"url": "https://kestrel.perch-app.workers.dev/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs