Does Langflow MCP server work with Claude Code?
Yes. Langflow MCP server passed every step of our test in Claude Code 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 onClaude Pro
App versionClaude Code 2.1.296
Server packageserver reported v1.30.0
Connect timeconnect time not recorded
Modelhaiku
Steps
- install OK
- connect OK
- tools visible OK
- 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
Claude Code 2.1.296 · 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
claude mcp add -s local langflow -- uvx mcp-proxy --transport streamablehttp --headers x-api-key <YOUR_LANGFLOW_API_KEY> http://localhost:7860/api/v1/mcp/project/<YOUR_LANGFLOW_PROJECT_ID>/streamableConnection check
langflow: uvx mcp-proxy --transport streamablehttp --headers x-api-key <YOUR_LANGFLOW_API_KEY> http://localhost:7860/api/v1/mcp/project/<YOUR_LANGFLOW_PROJECT_ID>/streamable - ✔ ConnectedTools check
verified via task step: agent saw and called the server's tools
Agent task: run fixture
- Tool calls, in order:
mcp__langflow__toolpassed_fixture
Raw details from our harness log for this run. Secrets redacted.
Set it up in Claude Code
Copy-paste config for every app is on the Langflow MCP server page. Not connecting? Claude Code MCP troubleshooting.
Other apps we tested it in: Cursor (passed).