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Mermaid Online MCP — Share Links & Source for LangChain

io.github.j-river/mermaidonline

Mermaid Online MCP: encode share links and recover Mermaid diagram source locally.

client:LangChain transport:stdio runtime:npm

Install Mermaid Online MCP — Share Links & Source in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mermaidonline": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "mermaidonline-mcp"],
        }
})

tools = await client.get_tools()

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

Mermaid Online MCP — Share Links & Source in other clients