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LangChain

Preflight for LangChain

io.github.evanfollis/preflight

Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.

client:LangChain transport:streamable-http tools:1

Install Preflight in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "preflight": {
            "transport": "streamable_http",
            "url": "https://skillfoundry.synaplex.ai/products/preflight/mcp/",
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

What LangChain can do once it is connected

Preflight in other clients