AI Plugin Index
MCP Adapters
Verified · npm:@langchainMCP server by langchain-ai · updated · ★ 18k · 163k downloads a week
LangChain.js adapters for Model Context Protocol (MCP) MCP Adapters is published by npm:@langchain from its verified domain in the official MCP Registry.
Last commit in the past day
MIT: permissive, fine for commercial use
Published package or server URL, 18,284 stars, original repository
Not checked yet. What we check
Install MCP Adapters
Built from the published package, never by AIclaude mcp add mcp-adapters -- npx -y @langchain/mcp-adaptersRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"mcp-adapters": {
"command": "npx",
"args": [
"-y",
"@langchain/mcp-adapters"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"mcp-adapters": {
"command": "npx",
"args": [
"-y",
"@langchain/mcp-adapters"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"mcp-adapters": {
"command": "npx",
"args": [
"-y",
"@langchain/mcp-adapters"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add mcp-adapters -- npx -y @langchain/mcp-adapters{
"mcpServers": {
"mcp-adapters": {
"command": "npx",
"args": [
"-y",
"@langchain/mcp-adapters"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add mcp-adapters npx -y @langchain/mcp-adaptersGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the mcp-adapters block.
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MCP Adapters: common questions
How do I install MCP Adapters?
In Claude Code run claude mcp add mcp-adapters -- npx -y @langchain/mcp-adapters. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is MCP Adapters the official server?
MCP Adapters is published by npm:@langchain from its verified domain in the official MCP Registry.
Is MCP Adapters free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is MCP Adapters safe to use?
It scores 91 of 100. Grades: maintenance A, licence A, quality B. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to MCP Adapters?
Similar MCP servers: Codebase Memory, ha-mcp, Pi MCP, Pi MCP Adapter.
Does MCP Adapters work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.