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Does Langflow MCP server work with Cursor?

Yes. Langflow MCP server passed every step of our test in Cursor on Oct 16, 2026: it installed, connected, its tools were visible, and an agent used it to finish a real task.

Result

ResultPassed
Date testedOct 16, 2026
Plan tested onCursor Pro+
App versionCursor CLI 2026.10.14-941492e
Server packageserver reported v1.30.0
Connect timeconnect time not recorded
Modelgpt-5.3-codex-low

Steps

  1. install OK
  2. connect OK
  3. tools visible OK
  4. agent task: run fixture OKdiscover + run an automation on a local, self-hosted instance: the fixture echoes its input, so the fresh {TOKEN} can only come back if the server actually ran it

From our own harness run, not the maker’s claims. How we test.

Versions tested

Cursor CLI 2026.10.14-941492e · server reported v1.30.0 · connect time not recorded · tested Oct 16, 2026

Server package and resolved dependency versions: not recorded for these runs (our harness records them from Oct 19, 2026 on).

What happened in this run

Install config we used

{
 "mcpServers": {
  "langflow": {
   "command": "uvx",
   "args": [
    "mcp-proxy",
    "--transport",
    "streamablehttp",
    "--headers",
    "x-api-key",
    "<YOUR_LANGFLOW_API_KEY>",
    "http://localhost:7860/api/v1/mcp/project/<YOUR_LANGFLOW_PROJECT_ID>/streamable"
   ]
  }
 }
}

Connection check

langflow: ready

Tools the app saw

1 tools in the app (protocol check found 1).

Agent task: run fixture

  • Tool calls, in order: langflow:toolpassed_fixture

Raw details from our harness log for this run. Secrets redacted.

Set it up in Cursor

Copy-paste config for every app is on the Langflow MCP server page. Not connecting? Cursor MCP troubleshooting.

Other apps we tested it in: Claude Code (passed).

All MCP servers tested in Cursor

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