Langflow MCP

Unclaimed

by nobrainer-tech

MCP server for Langflow — gives AI assistants full access to Langflow workflow automation (93 tools, consolidated mode)

Install

$npm install -g langflow-mcp-server

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Tools (28)

a2a

A2A (Agent-to-Agent) protocol (listagents, agentcard, jsonrpc) — Langflow 1.11.0

agentic

Agentic assistant + sandbox (assist, checkconfig, execute, getfile, resetsession)

auth

Authentication (login, autologin, logout, refresh, api keys, savestorekey)

authz

RBAC authorization (roles, role assignments, teams, shares, audit, my permissions)

build

Build operations (start, status, cancel, vertices)

extension

Langflow extensions (reload, events)

file

Flow-scoped file operations (list, upload, download, delete, getimage)

file_v2

User-scoped v2 files (list, upload, get, rename, delete, deleteall, batchdownload, batchdelete)

flow

All flow operations (list, get, create, update, delete, download, upload, replace, expand, batch, public, notetranslations)

flow_execution

Run flows (run, runadvanced, runsession, webhook, process, predict)

flow_version

Flow versions and lifecycle events (list, create, get, delete, activate, getevents, createevent)

folder

Folder management (list, get, create, update, delete, download, upload)

knowledge_base

Knowledge base management (list, get, delete, bulkdelete, upload, create, preview/list chunks, ingest, cancelingest, testconnection, listconnectors, ingestfolder, ingestconnector, metadatakeys, listruns, getrun)

mcp_project

MCP project config/install (get/update config, getinstalled, install, composerurl)

mcp_server

MCP server management (list, get, create, update, delete)

memory

Memory bases (create, list, get, listsessions, listmessages, update, delete, flush, mismatch, regenerate) — experimental Langflow API

model

Models and providers (list, providers, enabled, default get/set/delete, mapping, validate, options)

monitor

Monitoring (builds, messages, sessions, transactions, jobqueue)

project

Project management (list, get, create, update, delete, download, upload)

registration

User registration (get, register)

response

OpenAI-compatible responses (create)

store

Component store (list, get, tags, likes, saveapikey, create, like, updatecustom)

system

System info (health, version, logs, pictures, voices, session, webhookevents, healthcheck)

trace

Execution traces (list, get, delete, deletebyflow)

user

User management (list, getcurrent, update, resetpassword, create)

validation

Code/prompt validation (code, prompt)

variable

Variable operations (list, create, update, delete, detect)

workflow

Run and manage v2 workflows (run with request-level globals, getresult, stop, plus Langflow 1.11.0 HITL/public: pending, events, resume, runpublic)