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Langflow MCP API

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

Langflow MCP API is one of 15 APIs that Langflow publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 5 JSON Schema definitions.

Tagged areas include MCP. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, a JSON-LD context, and 5 JSON Schemas.

This API exposes 5 operations across 2 paths, and defines 3 schemas. It is described by OpenAPI 3.1.0, at version 1.9.0.

Requests are made against the base URL http://localhost:7860/api.

5 operations 2 paths 3 schemas 1 DELETE2 GET1 PATCH1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.9.0
Base URL
http://localhost:7860/api
Authentication
API Key, API Key, OAuth 2.0
Resource Areas
1

Authentication & Security 3

Langflow MCP API declares 3 security schemes for authenticating requests. An API key is passed in the header as x-api-key (API key header). An API key is passed in the query as x-api-key (API key query). It supports OAuth 2.0 (OAuth2PasswordBearerCookie) using the password flow.

Paths & Operations 5

Across 2 paths, the API surfaces 5 operations — 1 DELETE, 2 GET, 1 PATCH, 1 POST. Each is listed below with its method, path, parameters, and response codes.

MCP 5
GET
/api/v2/mcp/servers
Get Servers
get_servers_api_v2_mcp_servers_get 1 param → 200422
DELETE
/api/v2/mcp/servers/{server_name}
Delete Server
delete_server_api_v2_mcp_servers__server_name__delete 1 param → 200422
GET
/api/v2/mcp/servers/{server_name}
Get Server Endpoint
get_server_endpoint_api_v2_mcp_servers__server_name__get 1 param → 200422
PATCH
/api/v2/mcp/servers/{server_name}
Update Server Endpoint
update_server_endpoint_api_v2_mcp_servers__server_name__patch 1 param body → 200422
POST
/api/v2/mcp/servers/{server_name}
Add Server
add_server_api_v2_mcp_servers__server_name__post 1 param body → 200422

Schemas 3

The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are ValidationError (5 properties), MCPServerConfig (5 properties), HTTPValidationError (1 property). Each schema is shown below with its type and property counts.

MCPServerConfig
object
Pydantic model for MCP server configuration.
5 properties
ValidationError
object
5 properties 3 required
HTTPValidationError
object
1 property

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

langflow-mcp-api-openapi.yml Raw ↑

Other APIs Langflow publishes across the network.

Langflow Base API
Langflow Chat API
Langflow Files API
Langflow Flow Events API
Langflow Flows API
Langflow Health Check API
Langflow Log API
Langflow mcp_projects API
Langflow Monitor API
Langflow OpenAI Responses API API
Langflow Projects API
Langflow Traces API
Where this information came from

This is an independent, third-party profile of Langflow MCP API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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