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mcp/harbor
LangChain

Exec Sandbox for LangChain

io.github.inhuman/mcp-exec

Single exec tool running caller Python in a network-isolated locked-down sandbox.

client:LangChain transport:stdio runtime:oci

Install Exec Sandbox in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mcp-exec": {
            "transport": "stdio",
            "command": "docker",
            "args": ["run", "-i", "--rm", "docker.io/idconstruct/mcp-exec:v0.5.4"],
        }
})

tools = await client.get_tools()

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

Exec Sandbox in other clients

Exec Sandbox MCP server