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mcp/harbor
LangChain

YAML Workflow for LangChain

io.github.orieg/yaml-workflow

Expose declarative YAML-defined workflows as MCP tools over stdio

client:LangChain transport:stdio runtime:pypi

Install YAML Workflow in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "yaml-workflow": {
            "transport": "stdio",
            "command": "uvx",
            "args": ["yaml-workflow"],
        }
})

tools = await client.get_tools()

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

YAML Workflow in other clients

YAML Workflow MCP server