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LangChain

Vizier for LangChain

io.github.pipeworx-io/vizier

VizieR MCP — CDS astronomical catalogue access.

client:LangChain transport:streamable-http runtime:npm tools:48

Install Vizier in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "vizier": {
            "transport": "streamable_http",
            "url": "https://gateway.pipeworx.io/vizier/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

All 48 tools →

Vizier in other clients