How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Need help?

Contact us
LangChain

LangChain fleet mcp API

The fleet mcp API from LangChain — 4 operation(s) for fleet mcp.

Documentation Provider Profile APIs.io OpenAPI GitHub

LangChain fleet mcp API is one of 66 APIs that LangChain publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include fleet mcp. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and authentication docs.

This API exposes 7 operations across 4 paths, and defines 11 schemas. It is described by OpenAPI 3.1.0, at version 0.1.0.

Requests are made against a single base URL, /.

7 operations 4 paths 11 schemas 1 DELETE3 GET1 PATCH2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
0.1.0
Base URL
https://api.smith.langchain.com
Authentication
API Key, API Key, HTTP Bearer, API Key
Resource Areas
1

Authentication & Security 4

LangChain fleet mcp API declares 4 security schemes for authenticating requests. An API key is passed in the header as X-API-Key (API Key). An API key is passed in the header as X-Tenant-Id (Tenant ID). It accepts HTTP bearer tokens (Bearer Auth). An API key is passed in the header as X-Organization-Id (Organization ID).

  • Bearer Auth — Bearer tokens are used to authenticate from the UI. Must also specify x-tenant-id or x-organization-id (for org scoped apis).

Paths & Operations 7

Across 4 paths, the API surfaces 7 operations — 1 DELETE, 3 GET, 1 PATCH, 2 POST. Each is listed below with its method, path, parameters, and response codes.

fleet mcp 7
GET
/v1/fleet/mcp/tools
List MCP tools
4 params → 200400401403404502
GET
/v1/platform/fleet/mcp-servers
List MCP servers
1 param → 200400401403500503
POST
/v1/platform/fleet/mcp-servers
Create MCP server
body → 201400401403409500503
GET
/v1/platform/fleet/mcp-servers/{mcp_server_id}
Get MCP server
1 param → 200400401403404500503
DELETE
/v1/platform/fleet/mcp-servers/{mcp_server_id}
Delete MCP server
1 param → 204400401403404500503
PATCH
/v1/platform/fleet/mcp-servers/{mcp_server_id}
Update MCP server
1 param body → 200400401403404500503
POST
/v1/platform/fleet/mcp-servers/{mcp_server_id}/oauth-provider
Register per-user MCP OAuth provider
1 param body → 200400401403404500503

Schemas 11

The contract defines 11 schemas that model the data the API accepts and returns. The most detailed are langchain_com_smith_fleet_mcp_servers.McpServer (14 properties), langchain_com_smith_fleet_mcp_servers.CreateMcpServerPayload (8 properties), langchain_com_smith_fleet_mcp_servers.UpdateMcpServerPayload (4 properties), mcptools.ErrorResponse (4 properties). Each schema is shown below with its type and property counts.

mcp_servers.McpServerAPIError
object
2 properties
langchain_com_smith_fleet_mcp_servers.AuthType
string
langchain_com_smith_fleet_mcp_servers.OAuthMode
string
mcptools.ErrorResponse
object
4 properties
langchain_com_smith_fleet_mcp_servers.RegisterOAuthProviderPayload
object
1 property
mcptools.Tool
object
4 properties
langchain_com_smith_fleet_mcp_servers.RegisterOAuthProviderResponse
object
1 property
langchain_com_smith_fleet_mcp_servers.UpdateMcpServerPayload
object
4 properties
mcptools.ListToolsResponse
object
3 properties
langchain_com_smith_fleet_mcp_servers.CreateMcpServerPayload
object
8 properties 2 required
langchain_com_smith_fleet_mcp_servers.McpServer
object
14 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

langchain-fleet-mcp-api-openapi.yml Raw ↑

Other APIs LangChain publishes across the network.

LangChain access_policies API
AE Profile APIs.io
LangChain ace API
AE Profile APIs.io
LangChain alert_rules API
AE Profile APIs.io
LangChain annotation-queues API
AE Profile APIs.io
LangChain api-key API
AE Profile APIs.io
LangChain audit-logs API
AE Profile APIs.io
LangChain auth API
AE Profile APIs.io
LangChain aws_marketplace API
AE Profile APIs.io
LangChain backfills API
AE Profile APIs.io
LangChain beacon API
AE Profile APIs.io
LangChain bulk-exports API
AE Profile APIs.io
LangChain charts API
AE Profile APIs.io
#fleet mcp
← Back to L APIs
API Details
ID
langchain:langchain-fleet-mcp-api
Base URL
https://api.smith.langchain.com
Docs
https://docs.langchain.com/langsmith
Provider
LangChain
APIs.io →  GitHub →
Explore more
All APIs Providers APIs.io Network
Work with this as data

Every API here is available over the API and to AI agents over MCP. APIs is not yet its own endpoint on the v1 API. Reach this content through network search and the tag graph, or the MCP server below.

Installs https://mcp.apievangelist.com/mcp in Claude, Cursor, VS Code and the rest — one button, every client.

MCP tools for apis
4 tools reach this content
  • search_api_evangelistSearch every content type across the network at once.
  • find_relatedThe shared-tag relevance graph — what else covers this.
  • get_tagEverything one tag labels, across all content types.
  • guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.
All tools & prompts
Call it yourself
curl for this page
Search the network for this 
curl "https://api.apievangelist.com/v1/search?q=langchain-fleet-mcp-api&limit=10"
Everything under a tag 
curl "https://api.apievangelist.com/v1/tags/langchain-fleet-mcp-api"

Discovery needs no key. Full bodies and the synthesis endpoints are Pro.

Get an API key

Free tier, no email required. Sign in with whichever identity you already have.

GitHub Google LinkedIn

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

Where this information came from

This is an independent, third-party profile of LangChain fleet 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.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.