Langflow

Langflow MCP API

The MCP API from Langflow — 2 operation(s) for mcp.

Documentation GitHub OpenAPI

Operations 5

GET /api/v2/mcp/servers Get Servers #

DELETE /api/v2/mcp/servers/{server_name} Delete Server #

GET /api/v2/mcp/servers/{server_name} Get Server Endpoint #

PATCH /api/v2/mcp/servers/{server_name} Update Server Endpoint #

POST /api/v2/mcp/servers/{server_name} Add Server #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/langflow:langflow-mcp-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Langflow MCP API
  version: 1.9.0
tags:
- name: MCP
paths:
  /api/v2/mcp/servers:
    get:
      description: Get the list of available servers.
      operationId: get_servers_api_v2_mcp_servers_get
      parameters:
      - in: query
        name: action_count
        required: false
        schema:
          anyOf:
          - type: boolean
          - type: 'null'
          title: Action Count
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Get Servers
      tags:
      - MCP
  /api/v2/mcp/servers/{server_name}:
    delete:
      operationId: delete_server_api_v2_mcp_servers__server_name__delete
      parameters:
      - in: path
        name: server_name
        required: true
        schema:
          title: Server Name
          type: string
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Delete Server
      tags:
      - MCP
    get:
      description: Get a specific server.
      operationId: get_server_endpoint_api_v2_mcp_servers__server_name__get
      parameters:
      - in: path
        name: server_name
        required: true
        schema:
          title: Server Name
          type: string
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Get Server Endpoint
      tags:
      - MCP
    patch:
      operationId: update_server_endpoint_api_v2_mcp_servers__server_name__patch
      parameters:
      - in: path
        name: server_name
        required: true
        schema:
          title: Server Name
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MCPServerConfig'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Update Server Endpoint
      tags:
      - MCP
    post:
      operationId: add_server_api_v2_mcp_servers__server_name__post
      parameters:
      - in: path
        name: server_name
        required: true
        schema:
          title: Server Name
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MCPServerConfig'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Add Server
      tags:
      - MCP
components:
  schemas:
    ValidationError:
      properties:
        ctx:
          title: Context
          type: object
        input:
          title: Input
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          title: Location
          type: array
        msg:
          title: Message
          type: string
        type:
          title: Error Type
          type: string
      required:
      - loc
      - msg
      - type
      title: ValidationError
      type: object
    MCPServerConfig:
      additionalProperties: true
      description: Pydantic model for MCP server configuration.
      properties:
        args:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Args
        command:
          anyOf:
          - type: string
          - type: 'null'
          title: Command
        env:
          anyOf:
          - additionalProperties:
              type: string
            type: object
          - type: 'null'
          title: Env
        headers:
          anyOf:
          - additionalProperties:
              type: string
            type: object
          - type: 'null'
          title: Headers
        url:
          anyOf:
          - type: string
          - type: 'null'
          title: Url
      title: MCPServerConfig
      type: object
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          title: Detail
          type: array
      title: HTTPValidationError
      type: object
  securitySchemes:
    API_key_header:
      in: header
      name: x-api-key
      type: apiKey
    API_key_query:
      in: query
      name: x-api-key
      type: apiKey
    OAuth2PasswordBearerCookie:
      flows:
        password:
          scopes: {}
          tokenUrl: api/v1/login
      type: oauth2

Langflow MCP API

Operations 5

Documentation

Specifications

Schemas & Data

Other Resources