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mcp/harbor
LangChain

Run Python for LangChain

io.github.hal9ai/run-python

Run Python code from natural language prompts, with optional PyPI package install.

client:LangChain transport:streamable-http tools:1

Install Run Python in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "run-python": {
            "transport": "streamable_http",
            "url": "https://next.hal9.ai/mcp/mcpbuild/run-python",
        }
})

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

Run Python in other clients

Run Python MCP server