AI Plugin Index
Langgraph
Verified · npm:@blaxelMCP server by blaxel-ai · updated · ★ 10 · 202 downloads a week
Blaxel SDK for TypeScript Langgraph is published by npm:@blaxel 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, original repository
Not checked yet. What we check
Install Langgraph
Built from the published package, never by AIclaude mcp add langgraph -- npx -y @blaxel/langgraphRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"langgraph": {
"command": "npx",
"args": [
"-y",
"@blaxel/langgraph"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"langgraph": {
"command": "npx",
"args": [
"-y",
"@blaxel/langgraph"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"langgraph": {
"command": "npx",
"args": [
"-y",
"@blaxel/langgraph"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add langgraph -- npx -y @blaxel/langgraph{
"mcpServers": {
"langgraph": {
"command": "npx",
"args": [
"-y",
"@blaxel/langgraph"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add langgraph npx -y @blaxel/langgraphGemini 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 langgraph block.
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Langgraph: common questions
How do I install Langgraph?
In Claude Code run claude mcp add langgraph -- npx -y @blaxel/langgraph. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Langgraph the official server?
Langgraph is published by npm:@blaxel from its verified domain in the official MCP Registry.
Is Langgraph free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is Langgraph safe to use?
It scores 73 of 100. Grades: maintenance A, licence A, quality D. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to Langgraph?
Similar MCP servers: mockserver, XcodeBuildMCP, Repowise, SmartBear MCP.
Does Langgraph 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.