LangChain framework tools — run chains, manage prompts, and interact with LangChain components
npx @getmcp/cli add langchainConfig file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"langchain": {
"command": "npx",
"args": [
"-y",
"mcp-langchain"
]
}
}
}