---
title: "Create MCP server"
method: POST
path: "/v1/platform/fleet/mcp-servers"
tags: ["fleet mcp"]
---

# Create MCP server

`POST /v1/platform/fleet/mcp-servers`

Registers a new MCP server configuration for the workspace.

## Request body

- LangchainComSmithFleetMcpServersCreateMcpServerPayload
  - `auth_type` 'headers' | 'oauth'
  - `external_system_id` string
  - `headers` object[]
  - `name` string, required
  - `oauth_mode` 'legacy_shared_provider' | 'per_user_dynamic_client'
  - `oauth_provider_id` string
  - `url` string, required
  - `vendor_id` string

## Response `201`

Created

- LangchainComSmithFleetMcpServersMcpServer
  - `auth_type` 'headers' | 'oauth'
  - `can_invoke` boolean
  - `created_at` string
  - `external_system_id` string
  - `headers` object[]
  - `id` string
  - `mcp_vendor_id` string
  - `name` string
  - `oauth_mode` 'legacy_shared_provider' | 'per_user_dynamic_client'
  - `oauth_provider_id` string
  - `tenant_id` string
  - `updated_at` string
  - `url` string
  - `vendor_id` string

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `409` — Conflict
- `500` — Internal Server Error
- `503` — Service Unavailable

---

[API](https://skmtc.net/langchain-ai/apis/langsmith.md) · [All operations](https://skmtc.net/langchain-ai/apis/langsmith/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/langchain-ai/langsmith/versions/a0acb3a6a101/schema)